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01379 788166 www.speeddeck.com Hinckley Club for Young People - Hinckley, Leicestershire

Dynamic Insulation

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Structural Decks

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THE NATURAL CHOICE for standing seam roofing solutions

SPEEDDECK

SECRET-FIX ROOFING SYSTEMS

THE METAL CLADDING & ROOFING MANUFACTURERS ASSOCIATION

August 2011


Contents • Introduction SpeedDeck® Features •

Systems SpeedDeck double-skin system SpeedDeck double-skin system, perforated liner SoundRoof SRST/AL1 SoundRoof SRST/AL2 Pool/ high humidity construction, unperforated liner Pool/ high humidity construction, perforated liner for sound absorption Structural deck construction Perforated structural deck construction

• Product Information - Profile SpeedDeck Profile SpeedDeck Materials • Product Information - On site rolling On-site rolling •

Product Information - Curves Curves Natural curves Factory smooth curves Crimp curves Waveform roofs Bow-over roofs Penetrations Flashings

Product Information - Ancillary components WalkLiner Profile WalkLiner Materials Structural Decks Accessories Roof lights Fall arrest systems Walkways

Performance - Structural SpeedDeck Designer 4 Structural Non-fragility Lateral restraint Profile weights System weights/ depths IsoBar Thermal expansion

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Performance - Fire Fire LPCB Junction of compartment wall/roof

Performance - Thermal Thermal insulation U values table solid liner U values table perforated liner U values table solid structural deck U values table perforated structural deck

Performance - Acoustics Sound insulation and sound absorption Sound reduction/ insulation Sound absorption SoundRoof

Performance - Moisture/Airtightness Condensation Vapour control Airtightness Breathability Cold roofs StramSorb

Performance - High humidity High humidity buildings/ swimming pools Detailing and workmanship Pool/ high humidity construction- solid liner, brief specification Pool/ high humidity construction- perforated liner for sound absorption, brief specification

• Performance - Durability Lightning Durability • Typical Details • Delivery and Handling • Installation • Setting out tolerances • Check list • After care • References


Introduction SpeedDeck® is the original secret fix profile and has a tremendous track record. In the 40 years since its inception, SpeedDeck® has been used in Australia, the Far East, mainland Europe and in the UK where many millions of square metres have been installed since 1979. In all of this time, and through enormous and profound changes in regulations and the expectations from roofing systems, SpeedDeck® has maintained the straight-forward-to-design, straight-forward-to-install principle, making it a favourite with designers and installers alike.

Some of the primary features of SpeedDeck® systems are listed below:• Aluminium and steel • Convex, concave and waveform roof shapes • On-site or factory manufacture • Agrement certification since 1986 • Walkable profile • Walkable working platform liner • Straight forward installation • Double interlocking side laps • No exposed fixings • No end laps • No reliance on sealants • Non fragile • Factory finished, no site seaming • Double skin systems • Structural deck systems



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• Acoustic systems • High-humidity systems • U values to 0.13W/m2K • Optional perforated liner/deck for sound absorption • Sound reduction up to Rw = 50dB • Excellent airtightness • LPCB system • Non-combustible insulation • On-site welding of penetrations • End of life recycleability with retained asset value • Up to 40 year guarantee on materials • AWM insurance backed system guarantee option

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Systems SpeedDeck’s versatility makes it ideal for many roof constructions. The systems shown below illustrate some of the more common constructions used together with a brief summary of their specification, based upon U=0.25W/m2K. Most of these systems are applicable to straight, natural curved and smooth precurved roof shapes. Draft specifications for SpeedDeck systems are available on request.

SpeedDeck Double-Skin system brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/ PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • SpeedDeck clips • SD100 breather membrane (optional) • 180mm Rock or glass wool quilt insulation • 180mm IsoBar rail and bracket spacer • StramCheck vapour-control layer (optional), sealed laps • WalkLiner 0.65/0.7mm polyester-coated galvanised steel, sealed laps.

A full NBS-style draft specification is available from SpeedDeck Building Systems Ltd

SpeedDeck Double-Skin, perforated liner brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/ PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • SpeedDeck clips • SD100 breather membrane (optional) • 150mm Rock or glass wool quilt insulation • 150mm IsoBar rail and bracket spacer, 765mm nominal bracket centres • StramCheck vapour control layer, sealed laps • 30mm top hat spacer stool • 60kg/m3 31mm black tissue faced acoustic batts • Pan-perforated, 0.65/0.7mm walkable A full NBS-style draft specification is available

steel WalkLiner

from SpeedDeck Building Systems Ltd

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Systems SoundRoof SRST/AL1 brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/ PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • SpeedDeck clips • SD100 breather membrane (optional) • 150mm 33kg/m3 Rockfibre • 150mm IsoBar rail and bracket spacer, 765mm nominal bracket centres • StramCheck vapour control layer, sealed laps • 30mm top hat spacer stool • 60kg/m3 31mm black tissue faced acoustic batts • Pan-perforated, 0.65/0.7mm walkable steel WalkLiner A full NBS-style draft specification is available from SpeedDeck Building Systems Ltd

SoundRoof SRST/AL2 brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/ PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • SpeedDeck clips • SD100 breather membrane (optional) • 50mm x 140kg/m3 Rock-fibre • 50mm deep zed section spacer • 100mm 33kg/m3 Rock-fibre • 100mm IsoBar rail and bracket space, 765mm nominal bracket centres • StramCheck vapour control layer, sealed laps • Top hat spacer stool • 60kg/m3 31mm black tissue faced acoustic batts A full NBS-style draft specification is available from SpeedDeck Building Systems Ltd



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• Pan-perforated, 0.65/0.7mm walkable steel WalkLiner

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Systems Pool/high-humidity construction unperforated liner brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • SpeedDeck clips and starter clips, powder-coated as an option, fixed with 2 No stainless steel screws • Pre-punched, vented zed (powdercoated option) galvanised steel on 10mm nominal packers to allow drainage. • SD100 breather membrane • 180mm minimum Rock or glass wool quilt insulation • 180mm IsoBar, powder-coated as an option. • Aluminium/Polythene reinforced StramCheck AL, draped • 0.9mm polyester-coated aluminium A full NBS-style draft specification is available

StramLiner, all laps sealed.

from SpeedDeck Building Systems Ltd

Pool/high-humidity construction perforated liner for sound absorption brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • SpeedDeck clips and starter clips, powder-coated as an option, fixed with 2 No stainless steel • SD100 breather membrane • Pre-punched, vented zed (powder coated option) galvanised steel on 10mm nominal packers to allow drainage. • 180mm minimum Rock or glass wool quilt insulation • 180mm IsoBar, powder-coated as an option., fixed with 2No stainless steel screws • Aluminium/Polythene reinforced StramCheck AL • Aluminium top hat spacer stool under each A full NBS-style draft specification is available from SpeedDeck Building Systems Ltd

IsoBar bracket, 765mm nominal centres • 60kg/m3 31mm black tissue faced acoustic batts in troughs • 0.9mm aluminium pan-perforated StramLiner white polyester both sides.

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Systems Structural deck construction brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/ PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • 180mm rock or glass quilt • 150mm IsoBar • 30mm continuous top hat load spreader across deck profiles, fixed to every crown • Polythene reinforced StramCheck • VT structural deck profile, fixed in every trough and side lap stitched

Perforated structural deck construction brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/ PVdF or 0.6mm/0.7mm steel plastisol/Nova/PVdF • 150mm rock or glass quilt • 150mm IsoBar • Polythene reinforced StramCheck • 30mm continuous top hat load spreader across deck profiles, fixed to every crown • 60kg/m3 31mm black tissue faced acoustic batts • VTA structural deck profile, web perforated, fixed in every trough and side lap stitched

Sarking roof construction brief specification • SpeedDeck 0.9mm aluminium stucco/ARS/PVdF or 0.6mm/0.7mm plastisol steel • 180mm minimum quilt • 150mm IsoBar • 30mm top hat load spreader • Polythene reinforced StramCheck • Timber sarking (by others) Full NBS-style draft specifications are available for the above constructions from SpeedDeck Building Systems Ltd



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Product Information - Profile SpeedDeck® Profile Dimensions: • 510mm nominal rib spacing • 45mm rib depth • Installed gauging for profile 510mm+1/-2mm, set by gauging template

Weight: • aluminium

3.5 kg/m2

• steel 0.6mm 7.0 kg/m2 • steel 0.7mm 8.1 kg/m2

Length: Minimum 1.5m, maximum limited only by manufacture (factory or on site).

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Product Information - Materials SpeedDeck® Materials Aluminium/PVdF 0.9mm aluminium grade 3004 with 25 micron PVdF coating including 70% Kynar 500 (or equivalent). Specular colour gloss level 35% at 60º (satin and matt options available). 2.5 micron lacquer reverse side coating. British Board of Agrément certification-Alcoa 87/1964-2 and Euramax 93/2922.

Aluminium/ARS

Steel/Dobel XT200

0.9mm aluminium grade 3004 with 30 micron

0.6/0.7mm galvanised steel to BS EN

polyamide modified polyurethane abrasion

101471:95. Grade S 220 GD + Z275 with a

resistant coating on primer. 2.5 micron lacquer

200 micron PVC plastisol embossed coating on

reverse side coating. British Board of Agrément

a corrosion resistant primer. The reverse side

certification- Alcoa 87/1964-3 and Euramax

coating is a 10 micron high performance polyester

93/2922.

on a corrosion resistant primer. British Board of Agrément certification- Dobel 93/2973.

Aluminium/stucco

Steel Corus Colorcoat HPS200®

0.9mm aluminium grade 3004, natural aluminium with an embossed finish. Aluminium is a natural

0.6mm/0.7mm galvanised steel 95% Zn - 5%

material and develops a protective oxidised

AL to BS EN 12014:95 with 200 micro textured

surface which gives it its very long durability.

plastisol finish on a corrosion resistant primer.

If appearance is of prime importance consider

The reverse side coating is 10 micron polyester.

lacquer coated stucco aluminium or one of the

British Board of Agrément certification- Corus

pre-painted aluminium finishes available.

91/2717ds7.

Steel/Dobel NOVA

Steel/PVdF

0.6/0.7mm galvanised steel to BS EN 10147:95.

0.6mm/0.7mm galvanised steel to BS EN

Grade S 220 GD + Z275 with 50 micron high

10147:95. Grade S 220 GD + Z275 with 27 micron

performance polyester with optional self cleaning

PvdF stoved fluorocarbon coating on a corrosion

finish or low energy. The reverse side coating

resistant primer. The reverse side coating is 10

is a 10 micron high performance polyester on a

micron high performance polyester on a corrosion

corrosion resistant primer. Check with SpeedDeck

resistant primer.

for the availability of self clean or low energy coatings facings before specification. British Board of Agrément certification- Dobel 93/2973.



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Product Information - On-site Rolling On-site Rolling Production on-site involves the full-size SpeedDeck mobile rolling mills mounted in self-sufficient lifting platform containers. The factory essentially moves to site for the manufacture of the SpeedDeck profile and requires minimal production involvement from the roofing contractor. The production unit is fully mobile and any length of profile can be manufactured on-site at ground level, on a tower or direct to the roof suspended by crane. The SpeedDeck速 on-site manufacturing process involves a

Eaves level production from a tower

minimum of input from the installer with SpeedDeck Building Systems Ltd providing production personnel, method statements, safety and training certification, lifting beam and slings etc. The manufacturing process is carried out by SpeedDeck factory personnel, in controlled conditions and to identical QC and ISO9001 procedures as in the factory. Detailed method statements and risk assessments covering the manufacturing process, safety, training certificates, hoisting and roofing contractor requirements etc are available on request.

Production at ground level

Further information on the implications of on-site manufacture such as space requirements, personnel needs, etc. are available from SpeedDeck along with site visits by production personnel to establish the feasibility of on-site manufacture to a particular project. SpeedDeck will advise on the optimum method of onsite manufacture with the choice being to produce at ground level, suspended by crane at eaves level, from an inclined structure or up a slope, or on a secure platform directly at eaves level.

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Production at eaves level, suspended from a crane

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Product Information - Curves Curves

Double eaves clip at end of curved sheet

The versatility of SpeedDeck and its simple installation method enables it to be cost-effectively curved to suit most designs. Curved SpeedDeck is installed in the same manner as straight SpeedDeck and can create a roof with no exposed fixings or penetrations. The various methods and parameters of curving SpeedDeck are described in this section. Lifting beams and slings are provided with natural and smoothcurved SpeedDeck to assist in hoisting onto the roof. For further information on the use of curved SpeedDeck refer to the installation section.

Natural convex curves minimum radius (convex)

A suggested maximum span of 1.5m is advised for

55m* - 0.6 - 0.7mm steel SpeedDeck

all materials to facilitate the optimum curvature.

55m* - 0.9mm aluminium SpeedDeck

MultiVault and shallow CurveLight GRP rooflights

40m - StramLiner/WalkLiner

are suitable for use in natural-curve roofs.

[*50m minimum radius, risk of non detrimental oil canning from 55-50m radius]

Purlins must be radial to the curve. If facetted rafters and extended cleats are used, tolerances on cleat angles can result in surface marking (generally not detrimental to performance) this can apply to natural or smooth curved SpeedDeck. Install SDS20 screws through the male rib into the clip at the two/three apex purlins as a fixed point. These will be covered by the overlapping female rib. StramLiner/WalkLiner will naturally curve to these radii.

Natural-curved waveform roof – CRS Distribution Centre, Rugby

There is no length limit to this form of curve.

SpeedDeck is manufactured flat and curves to the

Natural concave curves

curvature of the structure as it is lowered onto the

minimum radius (concave)

roof in bundles. A double clip arrangement is needed

25m - 0.9mm aluminium SpeedDeck

for curved roofs under 90m radius, see diagram. The minimum radii are set by aesthetic standards and tighter radii can be achieved by low additional

Natural concave curves are currently available in 0.9mm aluminium to a minimum radius of 25m. For other materials and specific design input for

cost pre-curving, to avoid potential ‘oil canning’ etc.

concave curves, please contact the SpeedDeck

Design using the load/span charts from

spans and 80% of design capacity should be used,

performance section.

along with a minimum sheet length of 6m, with

Technical Department. In general, 1.2m maximum

the end spans straight and tangential. WalkLiner may need to be pre-curved to match concave SpeedDeck, subject to material and radius.



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Product Information - Curves Factory smooth pre-curves Including wave form profiles minimum radius (convex only) 15m - 0.7mm steel SpeedDeck 25m - 0.6mm steel SpeedDeck 10m - 0.9mm aluminium SpeedDeck 10m - 0.7mm steel WalkLiner (5.5m max sheet length) 10m - 0.9mm aluminium StramLiner (5.5m max sheet length) ‘hockey stick’ SpeedDeck part convex curved

Smooth curve – Barnet School

profile for wave form roofs, minimum 6m straight element, 15m - 0.9mm aluminium; 25m - 0.6mm steel; 15m - 0.7mm steel

SpeedDeck sheet lengths are only limited by transport, subject to radius, sheet length and rise above the chord. StramLiner/WalkLiner sheet lengths are generally shorter and not limited by radius. The normal maximum spans and load/span capacities apply to smooth curves. WalkLiner in steel is smooth-curved by a similar process and to suit the SpeedDeck curvature. This gives a smooth and clean internal appearance. Rooflights are best restricted to running along the apex in barrel form, supported on upstand kerbs. At radii over 20m shallow CurveLight can be used.

Smooth curve – Smiths Park Sports and Leisure Centre Complex, Newcastle

SpeedDeck is smooth-curved as a low additional cost secondary operation to the original roll forming. The process forms a smooth curve with no crimping or additional swages and does not induce stresses leading to oil canning.

Smooth curves in transit

Note that the ‘hockey stick’ sheets for waveform roofs are handed.

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Product Information - Curves Crimp-concvex curves

Crimp-curves

minimum radius (SpeedDeck, convex only) 450mm no maximum radius max sheet length 8.8m Constant or varying radii are possible

k

r

L

StramLiner/WalkLiner can be concave and convex crimp-curved

Crimp-curves – School, Warrington

SpeedDeck is crimp-curved as a secondary operation to the original roll forming. The process consists of regularly placed and controlled miniribs across the width of the pan with mini-rib spacing and depth governing the radius. For larger radii, the crimps are very shallow and not readily noticeable. Sheet lengths are limited to 8.8m,

a

r = 450mm minimum external radius L = overall length (8.8m max.) a = 200mm minimum k = included angle NOTE: that SpeedDeck sheets can only be laid in one direction and that the orientation of the sheet must be specified when ordering. The dimension ‘a’ should be kept as small as feasible to ease installation.

due to sheet handling restrictions in the factory during the crimping process.

When crimp-curved SpeedDeck forms a part of a wall sheet, with a maximum length of 8.8m, a

StramLiner/WalkLiner in all standard materials

step or secret gutter should be designed between

can be curved by the same process.

the curved eaves and roof sheet. Longer sheet lengths can be used in this situation if an ‘in-to-

The special eaves detailing is not required with

out’ flashing is used between the curved eaves

crimp-curve sheets. However, clip positions should

and vertical cladding.

not coincide with the crimps. If the crimp-curved sheet involves a straight The normal maximum spans and load/span

section, the handing of the sheet will need to

capabilities apply to crimp-curves.

be specified at order. SpeedDeck provides an

Curved eaves can be created using SpeedDeck

ordering form to reduce the risk of errors.

and StramLiner/WalkLiner. The minimum radius

Please refer to SpeedDeck for information

is 450mm; this is the external radius of the

required for ordering and using crimp curved

inner sheet. Clearly, if StramLiner/WalkLiner is

SpeedDeck and StramLiner/WalkLiner.

employed at a 450mm radius then the SpeedDeck radius will be greater.

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Product Information - Curves Waveform roofs Waveform SpeedDeck roofs combine the features of convex and concave SpeedDeck. The basic design criteria are very similar and assistance should be sought from the SpeedDeck Technical Department. Part-curved SpeedDeck sheets allow a smooth-curved convex area to be used with a natural-curved concave area, as illustrated below. The minimum radii for 0.9mm aluminium SpeedDeck are 15m convex (pre-curved) leading into 25m concave (formed naturally on-site).

Waveform roof

Note that sheets are handed.

Bow-over roof – Norvic House, Norwich

Curved on-plan roof

Bow-Over roofs An eaves-to-eaves bow-over design can minimise the number of interruptions in a roof and, in so doing, speed installation and reduce cost. SpeedDeck sheets are made in one length from eaves-to-eaves with no ridge treatment required. The roof consists of two uniform slopes generally at 1-2° with a radiused central section at the apex. Bow-over roofs are best formed in 0.6mm steel SpeedDeck and 0.9mm aluminium SpeedDeck. Install SDS20 screws through male rib into clip at the two purlins each side of the apex, as a fixed point. These will be covered by the overlapping female rib. L = SpeedDeck span

600mm

600mm

established relative to S

wind loads.

No clip required at this purlin 2.50 max

S = at least 2 bays (3 purlins) down slope on each side of the bow, to be in a straight plane.

s

eave e to

R

curv ht no

ig stra Deck

L

d

Spee

L

L L

R = purlin positioned at ridge line to support sheet, in case of foot traffic causing deformation. Particularly useful for aluminium. The curved ridge effectively becomes the fixed point.

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Product Information - Curves Penetrations Openings can be weathered using in-situ welding for aluminium SpeedDeck or GRP in-situ bonded soakers. Curved roof constructions are generally not appropriate where the roof has openings involving apron flashings, because these normally terminate at the ridge flashing. Pipe penetrations can be weathered using the ‘Dektite’ form of soaker or by in-situ welding in aluminium SpeedDeck. Typical welded soaker details are shown in the typical construction details section.

Curved on-plan roof

Flashings The verge flashing is often the most noticeable item on a curved roof and hence deserves special attention in design, fabrication and installation.

Hoisting Pre-curved sheets

Faceted flashings are commonly used on very large radii. For tighter radii of 60m or less pre-curved flashings are advisable; the tighter the radius the greater the need for pre-curved flashings. Welded, dressed and post-painted 2.0mm or

Natural aluminium flashings can give a poor appearance and consideration should be given to a solid light grey colour for flashings with a stucco-embossed SpeedDeck roof, and increased material gauge.

thicker aluminium flashings potentially give the best appearance. Pre-painted steel and aluminium can be curved using the lockform process in which the curved junctions are welted together.

13

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Product Information - Ancillary Components WalkLiner Profile

Weight: • steel

7.0 kg/m2

Dimensions: Length:

• 1020mm cover, 32mm deep trapezoidal steel walkable liner

minimum 0.5m, maximum 12m (see table for curve sheet length limits)

Radii: Material

Curvature

Method

Min

Max sheet

radius m

length m

10

5.5

0.65/0.7mm steel, 0.9mm aluminium

Convex, constant radius

Smooth pre-curved

Convex, constant radius

Natural curve on site 40

0.65/0.7mm steel, 0.9mm aluminium

12

0.65/0.7mm steel, 0.9mm aluminium

Concave, constant radius Smooth pre-curved

25

5.5

0.65/0.7mm steel, 0.9mm aluminium

Concave, constant radius Natural curve on site 40

0.65/0.7mm steel,

Convex or concave,

0.9mm aluminium

constant or varying radii Crimp curve

0.45

12

8.8

WalkLiner Materials

Structural Decks

0.65/0.7mm galvanised steel to BS EN 10147:95

Refer to the SpeedDeck structural deck brochure

grade S 220 GD with a 22 micron white polyester

(available from www.eleco.com/speeddeck)

coating and a 10 micron reverse side coating.

for details of the range of steel and aluminium

Other materials such as aluminium can be

structural decks available.

specified for the liner as required (for high humidity buildings for example).

The structural deck profile range includes:-

WalkLiner in 0.65/0.7mm steel is non-fragile class

• VT35 to VT158mm trapezoidal profiles

B to ACR[M]001:2000 when fixed with minimum

• 0.75 to 1.5mm thicknesses

1No 5.5mm dia screw plus 15mm dia bonded washer

• Plain galvanised steel finish

per pan and with a 60mm minimum end lap.

• RAL9002 off-white polyester pre-painted

For the vapour control layer and air barrier seal

• Steel and aluminium

side laps with SD Seal 50x1mm butyl strip and

• Spans up to 9.2m subject to loads

end laps with 5x6mm butyl. Robustly seal liner at

• Diaphragm capability

perimeters and to any penetrations.

• Solid and perforated

finishes (RAL 9010 available)

StramLiner is the same profile as WalkLiner but in 0.9mm aluminium. StramLiner is not walkable.

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Product Information - Ancillary Components Accessories

Pre-Assembled starter Clips

SpeedDeck clip

The SpeedDeck clip anchors every rib to every

The starter clip is used as an adaptor to provide

spacer position. It engages with the SpeedDeck

a false male rib to one side of the full SpeedDeck

rib providing the strength of attachment and

clip. It engages with the first female rib at the

accommodating thermal movement.

commencement of each fixing sequence and when re-commencing after forming openings.

Galvanised steel clips are suitable for the majority

The starter clip is factory pre-assembled onto the

of applications with both steel and aluminium

SpeedDeck Clip.

SpeedDeck. Where the clip-to-sheet connection is likely to be wetted or in an aggressive

The starter clip must be used whenever a clip has

environment (single-skin canopy, single-skin

to be engaged into the female rib.

projecting eaves etc) additional protection can be provided by using epoxy powder-coated clips and starter clips with stainless steel screws.

Filler blocks 25mm polyethylene SpeedDeck vented filler

For fixing to steel, the two central screw holes

blocks are provided in 1020mm long pairs for use

should be used. When fixing to timber, four screws

at the eaves and at the ridge. For valleys and hips

per clip should be installed through the four outer

raking cut fillers are available.

holes. Screws to suit the clip are supplied only by SpeedDeck, standard hex-head screws must not

50mm polyethylene StramLiner/ Walk-Liner solid

be used with SpeedDeck clips. If SpeedDeck sheets

under profile air-seal filler blocks are provided for

are removed and then replaced, the SpeedDeck

sealing Stramliner/ WalkLiner at eaves and ridges.

clips must also be replaced.

For valleys and hips these are provided angle cut to suit the rake.

Half clips

50mm StramLiner/WalkLiner fillers are essential

Half clips are used to complete a roofing area i.e. at

to avoid draughts, air leakage and hence energy

gables, rooflights and valleys. Half clips are formed

loss. They should be positioned at the outermost

on-site from a SpeedDeck clip cut in half, diagonally

junction to prevent air movement to or from the

for ease, across the narrow base of the clip.

outside or from inside the building to within the roof construction.

Two screws should be used in half clips to prevent rotation. At rooflights or at other positions, the

Wherever possible the 50mm air-seal under-liner

half clips can be turned through 180째 so that

filler should be secured with the liner fixings with

they point back into the construction and do not

at least 2 screws per pan.

protrude into and under the rooflight.

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Product Information - Ancillary Components IsoBar

The maximum cantilever beyond the last bracket

IsoBar is an engineered bracket and rail spacer system designed to reduce cold-bridging across the insulation and provide a strong support . IsoBar consists of a roll formed, high-tensile steel profiled

is 300mm. A bracket should always be located within about 100mm of the joggle joint. Brackets at the ridge (fixed point) purlin should be positioned at 765mm centres.

angle rail with joggle joints and steel support

When used in an acoustic construction

brackets. The brackets are available in a range

(SoundRoof or other) using top hat stools

of depths, slotting into and engaging within the

under the brackets, the maximum bracket

rail and have an integral sealer pad. The bracket

centres should be 765mm nominal (every third

spacing, reduced metal-to-metal contact and

StramLiner/WalkLiner pan).

integral sealer pad result in minimal cold-bridging. At the eaves of curved roofs where a double clip arrangement is used, set brackets at 510mm centres.

Vapour control layers The primary vapour control layer within SpeedDeck constructions is formed by sealed StramLiner/ WalkLiner, which can be backed-up by the optional additional use of StramCheck. Unperforated StramLiner/WalkLiner laps are always sealed. Note that StramCheck is not optional in constructions using perforated liner. There is no need ‘U’ values for SpeedDeck constructions and IsoBar

to seal the laps of the liner in this configuration.

bracket centres relative to spans and loads are in the performance - thermal section. IsoBar is an

Extra care is needed in design and installation

integral part of SpeedDeck Agrément constructions.

with perforated liners to achieve an air seal and vapour seal at penetrations and perimeters.

The maximum IsoBar bracket centres are 1020mm (one per StramLiner/WalkLiner width) and two

If a membrane VCL layer is used and pulled taut,

fixings per bracket should always be used.

increase the IsoBar bracket depth by 30mm to give the insulation full depth.

Isobar

Length:

3060mm net cover

Other lengths available to order.

Depth (h):

60 - 250mm in 10mm increments

Width:

40mm

Thickness: Rail 1.25mm

Bracket 1.5mm

Weight:

1kg/m nominal

Material:

Rail 275gsm galvanised steel

350N/mm2 yield

Bracket:

275gsm galvanised steel

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Product Information - Ancillary Components SD Seal

The StramCheck lap adhesive is a 1.5x20mm

StramLiner/WalkLiner with sealed laps and sealed at perimeters is the primary vapour control layer. SD Seal consists of robust, tear-resistant film with a 1.0mm x 50mm butyl adhesive. SD Seal creates

butyl strip. Use a single strip in most circumstances, applying the strip to a dry, dust free surface. Apply a pressure to the strip to help a bond to form.

an excellent seal that is robust and resistant to

StramCheckAL is an aluminium reinforced

damage. The plastic foil is tough and elastic and

polyethlene VCL for high humidity applications. Use

very resistant to damage during installation.

twin lines of adhesive strip for StramCheckAL..

Although SD Seal is tolerant of site conditions and low temperatures, it should be applied to surfaces that have been wiped clear of moisture or dust. SD

StramCheck

Composition: Clear two-layer UV stabilised polyethylene with

Seal should be wiped or rolled to get the best bond. End laps are sealed using a 5x6mm diameter butyl sealant strip within the lap. SD Seal

Width:

2m x 50m roll

Weight:

250gsm

SD100 Breather membrane 50mm

Roll length: 35m Adhesive: 1.0 x 50mm butyl Facing :

polypropylene reinforcement. Size:

50mm laminated film

SpeedDeck constructions are designed to breathe and the SD100 breather membrane is an optional component in the roof construction. SD100 helps to keep insulation dry during

StramCheck StramCheck is a 2m wide reinforced 250gsm polythene membrane for use as a vapour control layer in a double-skin construction. StramCheck is produced from 100% virgin resin which is UV-stabilised and includes antioxidant agents. This provides resistance to photodegradation by UV of up to two years’ exposure and good protection against loss of flexibility with temperature and time. StramCheck retains its flexibility in a double-skin roof for over 20 years.

construction, particularly at ridges or hips where the flashing may not be installed immediately leaving the breather exposed. SD100 enables any moisture that should manage to bypass the well sealed StramLiner/WalkLiner to breathe out without affecting the insulation. SD100

Composition: light blue, non-woven, spun-bonded polypropylene. Size:

1.6m x 100m roll

Weight:

16kg/roll - 100 gsm

Tensile strength: MD 6kN/m (note a) CD 4kN/m Nail tear:

MD 110 N

Strength:

CD 90 N

Vapour resistance: 0.17 Mns/g MVTR:

1100 g/m / day

Notes a. These values do not change after 56 days’ water soaking at 20°C, or 56 days’ heat ageing at 60°C, or after 100 hours’ UV ageing.

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Product Information - Ancillary Components Top hat spacer stools

Acoustic batts These are 31mm thick 60kg/m3 rockfibre insulation batts with integral black tissue facings to one side. They are positioned within the perforated liner, the acoustic batts providing excellent sound absorption. The black tissue facing helps to avoid the ends of batts from showing through the perforations as shadows. The batts should always be installed with

The 2mm galvanised steel 31mm deep top hat spacer stool is used in roof constructions involving pan-perforated WalkLiner and acoustic batts. The stools are positioned under IsoBar brackets in the pans of StramLiner/WalkLiner panels at 765mm nominal maximum centres. The StramCheck vapour control layer is sandwiched between the top hat spacer stool and IsoBar bracket.

tissue face down and ends butted together well. Stick pins can be used if necessary over purlin positions on steeper slopes to prevent slippage, though they must not snag the StramCheck layer.

Adaptor bracket The adaptor bracket is a universal device which allows accessories to be secured to the roof

The top hat spacer creates a 31mm space for the acoustic batts to fill.

without penetrating the SpeedDeck roof sheet -

The top hat spacers are in extruded 3mm aluminium in high-humidity buildings

The basic adaptor consists of two pressings to fit

The top hat stools are always fixed using two hexhead 5.5mm diameter screws with bonded washers if appropriate.

lightning conductors, walkways etc.

either side of the rib, two square washers to go one either side and an M6 bolt plus Nyloc nut. All components are 3 series stainless steel.

Adaptor bracket components ‘B’ Bracket

B

‘A’ Bracket

A

Brackets A and B optional to choice (All other components must be used)

Two angle brackets are available as standard to suit any combination that the customer desires. These fittings are positioned between the square washer and pressing. The adaptor bracket should be fitted to the interlocking rib and can safely withstand a 100kg pull-off load.

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Product Information - Ancillary Components SpeedDeck clip screws Enquire with SpeedDeck for applications not shown in the table. Sockets and drive bits to suit the screws are available from SpeedDeck. 5.5mm diameter screws plus 15mm diameter washers are used to fix Walkliner and are tested to ACR[M]001:2000. Note that shallow hex heads require a modified 8mm magnetic hex

Snow guard

drive bit, available only from SpeedDeck. An aluminium castellated snow guard is available to prevent slippage of snow build-up on a roof

Slotted zed

while allowing clear drainage of rain water. The castellated shape prevents ice slippage under

The 30mm deep slotted zed has slots in its web.

the snow guard. The snow guard is secured to

It is produced from 1.5mm galvanised steel (with

SpeedDeck using the stainless steel adaptor

powder coated option) and is intended to provide

brackets without penetrating the roof surface.

a ventilation zone in high-humidity application roofs. The slotted zed is fixed at 500mm centres via 10mm packers using 304 stainless steel screws and is located between the breather membrane and SpeedDeck sheet. The slotted zed requires the inclusion of vented perimeter flashings (ridge/ eaves) for effectiveness.

SpeedDeck clip screws Reference

material

self drill

head style/

capacity

drive piece

SDS20

3mm

low profile hex/

Clip to IsoBar or light gauge steel.

SpeedDeck special

Top fixing screw.

8mm hex magnetic

carbon steel

SDH20

carbon steel

12mm

Phillips No 3

Clip to hot rolled steel 12mm.

SDSS28

304 stainless steel

3mm

T25W Torx

Clip to IsoBar or light gauge steel

where stainless steel screws are needed.

Top fixing screw.

SDW40

Clip to timber (4 screws per clip).

carbon steel

timber

low profile hex/

SpeedDeck special

8mm hex magnetic

SDWSS40

T20W Torx

304 stainless steel

timber

19

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Clip to timber (4 screws per clip) where stainless steel is required.

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Product Information - Ancillary Components Rooflights Roof lights: refer to construction details for specific rooflight system information. - GRP triple skin Multi Vault barrel and Shallow CurveLight in-plane roof lights to suit straight, convex and concave roof shapes are available. The ‘U’ value of a triple skin roof light is 1.8 W/m2K and the inner skin is non - fragile class B to ACR [M]001:2000.

Fall arrest systems

Walkways

• Non penetrating fall arrest systems

• PVCu walkways

- A fully tested system including design,

- Walkways in PVCu and attached

installation and testing using the

using non-penetrating brackets are

Latchway Constant Force post,

available from Height Solutions Ltd.

is available from Latchway plc.

Tel: 0114 2219504

Tel: 01380 752700

Fax: 0114 2219506

Fax: 01380 732701

Email: info@height-solutions.co.uk

Email: speeddeck@latchways.com

Web: www.height-solutions.co.uk

Web: www.latchways.com

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Performance - Structural SpeedDeck Designer4 SpeedDeck Designer4 interactive software is a tool to allow the designer to assess the critical factors in a SpeedDeck roof design and obtain

r our Four Fourr Fou r Fo ner ignersigne signe signe si g i s s De k De k De k De k De k De k ec dDec dDec dDec dDec dDec dD D ed pee pee pee pee pee pee p S S S S S S S

an NBS-style draft specification quickly and easily. It enables the

Design software

user to choose or input items

for SpeedDeck

such as materials, spans and

secret-fix roofing

loads. SpeedDeck Designer4 then

2007

indicates the percentage of the SpeedDeck structural performance capacity used and various other

SpeedDeck Designer4 software is tested to work on:

items such as ‘U’ value, weight, condensation risk etc. SpeedDeck

Designer4

Microsoft® Windows XP/2000, Pentium II or higher processor, 32MB or more of installed RAM, Monitor resolution of 800x600 or higher, 16bit colour or higher, 405MB of hard disk space for a full installation (25MB for a compact installation). The software may run on previous Windows operating systems and lower specifications but these are not supported by SpeedDeck.

then

prints

a summary of information input, the performance criteria established and an NBSstyle draft specification of the chosen construction.

SpeedDeck Designer4 software

SpeedDeck Designer4 is provided free. Ask for a copy on 01379 788166 or via the website.

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Performance - Structural Structural

SpeedDeck also provides gauging templates to

The published load/span data was derived by the

gauging and, hence, optimum in-situ strength.

British Board of AgrĂŠment following full-scale vacuum-rig, static and cyclic load tests on every material. The static tests allowed characteristic values to be established which were then factored in accordance with BS5427 : 1996 to give design values. The design values are then proved by cyclic testing to simulate fatigue.

assist the installer to achieve the correct profile Checking for complete rib attachment is simple and achieved by viewing across the rib in the direction of lay. Ribs not fully interlocked are apparent to the eye. Refer to the installation section for further guidance. The derivation of wind loads for a roof covering is a specialised activity. The roof loadings should be provided by the structural engineer, who

The cyclic testing fluctuates the loading over thousands of cycles to represent in-service load conditions. Aluminium SpeedDeck was fatigue tested to simulate 50 years of service after which the residual factor of safety had

should also verify that roof covering calculations have been carried out and ideally check the calculations for validity. The specifier should consider including this within the contract and his roof specification.

increased to beyond 2.5. This indicates that the strength had actually increased over time rather than decreased and gives great confidence in SpeedDeck and its clips.

SpeedDeck permissable load table KN/m2 SpeedDeck

Max

Span Direction

Load

Span m

1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5

0.6 steel

imposed

3.50 3.50 3.13 2.55 2.10 1.75 1.47 -

-

-

-

-

-

-

wind

2.15 1.98 1.84 1.75 1.61 1.52 1.43 -

-

-

-

-

-

-

0.7 steel

imposed

3.50 3.50 3.30 2.68 2.21 1.84 1.55 1.32 1.13 0.98 -

-

-

-

wind

3.48 3.21 2.98 2.79 2.61 2.46 2.32 2.20 2.09 1.99 -

-

-

-

0.9 AL

imposed

3.21 2.52 2.02 1.64 1.35 1.13 0.95 -

-

-

-

-

-

-

wind

1.89 1.75 1.62 1.51 1.42 1.34 1.26 -

-

-

-

-

-

-

1.8m 2.1m 1.8m

Notes a. Spans are multi-span, i.e. over four purlins or more. b. Deflection criteria L/200. c. Factors of safety included - 2 on attachment strength (BS5427) d. The maximum spans indicate the span limit at which the interlocking rib can be easily and positively locked together by foot pressure. e. The maximum overhang of a SpeedDeck sheet at either end is 300mm, minimum 125mm. f. Single-span SpeedDeck should be mechanically fixed at each end, in the pan at the apex and through the rib crown at the eaves with stainless steel fixings.

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Performance - Structural Non-fragility

0.65 / 0.7mm steel WalkLiner, in multi-span

SpeedDeck is one of the few standing seam

1.8m spans. WalkLiner allows faster and safer

and when properly fixed is walkable at up to

systems that can accept foot traffic on the

installation and very rapid initial weatherproofing; a

ribs. This results in a superior post-installation

boon to the programme, installer, main contractor

appearance. The profile has above average

and client.

resistance to in-service foot traffic, be this maintenance or unauthorised foot traffic through

To class as non-fragile to ACR[M]:2000. The

vandalism or trespass.

WalkLiner end laps must be minimum 60mm and the profile fixed in every pan using 5.5mm hex head screws plus 15mm diameter bonded washers. SpeedDeck in 0.6mm steel, 0.7mm steel and 0.9mm Aluminium and Walkliner 0.65 / 0.7mm steel are non-fragile class B. For other materials refer to SpeedDeck.

Lateral restraint StramLiner in 0.4mm or thicker steel provides

Walking on SpeedDeck

lateral restraint to the top flange of a purlin by tie-action, if secured using 5.5mm diameter screws in every pan.

Walking on the ribs is preferred to reduce the risk of marking the profile. Areas of regular or heavy

Pan-perforated WalkLiner in steel will give lateral

foot traffic should be protected by boarding to

restraint if secured by the top hats, or by 5.5mm

avoid damage particularly to the coating. Items of

screws, positioned immediately adjacent to the

plant requiring regular access should be served

solid ribs.

by a walkway connected to SpeedDeck using the adaptor clamps.

Pan-perforated StramLiner in 0.9mm aluminium will give lateral restraint

Method for reducing SpeedDeck spans in local zones The suitability of this method is subject to load, design and span

if secured by top hats or screws immediately adjacent to the solid ribs.

L/2

L/2

SpeedDeck alone does not SpeedDeck

WalkLiner in 0.7mm steel

provide lateral restraint and other methods of restraint must be incorporated in the structure. Stressed-skin or diaphragm action is possible with

1.5mm galvanised steel top hat fixed to every crown

the SpeedDeck range of structural decks and structural liner tray profiles.

Structure span

L

Further information is available from the SpeedDeck

(SpeedDeck span = L/2)

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Performance - Structural Profile weights Product

Weight kg/m2

SD 0.6st

7.0

0.7st

8.1

0.9AL

3.5

W/L 0.9AL*

3.2

W/L 0.7st*

7.0

*Use above weights for a solid or perforated liner profile.

System/Weights/Depths Insulation

Nominal

overall (d)

depth

U value

mm

W/m2 K

SpeedDeck weight kg/m2 (b) 0.6mm

0.7mm

steel

steel

0.9mmAL

180 l = 0.04W/mK quilt

230 (a)

0.25

18.7

19.8

15.3

200 l = 0.04W/mK quilt

250 (a)

0.22

19.2

20.3

15.7

240 l = 0.04W/mK quilt

290 (a)

0.18

20.2

21.3

16.7

S’Roof 37dB SRST1

232

0.23

20.5

21.6

-

S’Roof 33dB (c) SRAL1

232

0.23

-

-

17.0

S’Roof 42dB SRST2

232

0.24

26.0

28.5

-

S’Roof 40dB (c) SRAL2

232

0.24

-

-

22.5

Notes a. BBA double-skin construction, IsoBar spacers, 0.7mm liner. b. Weights include all components over the structural purlin and are rounded up to the nearest - 0.5kg/m2, maximum spans assumed. c. SoundRoof constructions but with aluminium SpeedDeck. d. At 1.5m span, 0.765m Isobar bracket centres.

IsoBar The Table summarises the IsoBar bracket centres relative to the SpeedDeck span and applied load (wind or imposed). The maximum bracket centres are 1020mm nominal, with 765mm as the maximum when top hat spacer stools support the IsoBar (i.e. SoundRoof etc). 1020 and 765 are multiples of the StramLiner/WalkLiner profile pitch of 255mm. Bracket centres should be

Insulation continuity in practice

reduced to 765mm centres at ridges (for the fixed point) and for spacers over 250mm total depth. The IsoBar brackets at curved roof eaves using the double clip arrangement should be 510mm. Anti-sway brackets should be used with IsoBar, at each end of a line and at 30m maximum

IsoBar rails can cantilever 300mm beyond the end bracket, but a bracket should be positioned within 100mm of the joggle joint. Two screws per IsoBar bracket must always be used.

intervals between.

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Performance - Structural IsoBar bracket centres (m) for load and span Load

Load

type

kN/m

Sheeting span m

2

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0 2.1

2.2 2.3 2.4 2.5

Imposed

0.6

1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020

Imposed

0.75

1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020

Imposed

1.0

1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 510

Imposed

1.5

1020 1020 1020 1020 1020 1020 1020 765 765 765 765 765 765 510 510 510

Imposed

2.0

1020 1020 1020 765 765 765 765 510 510 510 510 510 510 510 510 N/A

Wind

1.0

1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 765 765 765

Wind

1.2

1020 1020 1020 1020 1020 1020 1020 1020 1020 765 765 765 765 765 765 765

Wind

1.4

1020 1020 1020 1020 1020 1020 1020 765 765 765 765 765 510 510 510 510

Wind

1.6

1020 1020 1020 1020 1020 765 765 765 765 765 510 510 510 510 510 510

Wind

1.8

1020 1020 1020 765 765 765 765 510 510 510 510 510 510 510 510 510

Wind

2.0

1020 1020 765 765 765 765 510 510 510 510 510 510 510 N/A N/A N//A

Wind

2.2

1020 765 765 765 510 510 510 510 510 510 510 N/A N/A N/A N/A N/A

Wind

2.4

765 765 765 510 510 510 510 510 510 510 N/A N/A N/A N/A N/A N/A

Wind

2.6

765 765 510 510 510 510 510 510 N/A N/A N/A N/A N/A N/A N/A N/A

Note: Max bracket centres are 1020, 765 or 510mm to match StramLiner/WalkLiner. FOS in table are 2 on attachment, 1.6 on imposed, 1.4 on wind.

Thermal expansion

For very long sheets in single slopes, i.e. over

The effects of thermal expansion are

purlins, with expansion allowed at the eaves

accommodated within SpeedDeck by the clipfixing method of attachment and by the inherent flexibility of the profile. SpeedDeck originated in Australia over 30 years ago, where the simplicity of the design was evolved to deal with aspects such as thermal expansion in the Australian climate. Since SpeedDeck’s introduction to the UK in the late 1970’s, the maximum lengths of sheet manufactured have grown to exceed 100m in

40m, the fixed-point should be to three mid-slope and at the ridge. This requires fixing the ridge independently of the SpeedDeck profile. Curved roofs are effectively long sheets with a fixed-point at the apex, giving no restriction on sheet lengths. The fixed-point should be through the male rib into the clip, concealed by the overlap and installed at the three apex purlins. On aluminium roofs, in-situ welded soakers should be able to move if expansion occurs.

0.9mm aluminium. The introduction of the on-site

Verge flashings must be supported on verge zeds and

rolling facility in 1996 had the greatest impact upon

not secured to the SpeedDeck. The verge zed should

this increase.

be fixed directly to the IsoBar spacer and not through

To avoid creep, SpeedDeck incorporates a fixed-point anchorage, usually located at the ridge or apex and, in the case of a pan fixing, concealed under the ridge cap.

the SpeedDeck sheet. This allows independent movement between SpeedDeck and flashings. Aluminium flashings require movement to be allowed at joints.

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Performance - Fire Fire • Rock-fibre and glass-fibre insulations

The testing arose from customer requests and demonstrates the continuing development of

used with SpeedDeck constructions are

SpeedDeck roofing systems to meet customer and

non-combustible to BS476: part 4: 1970

market demands.

(1984) without any modification, special treatments or need for bespoke specification. • SpeedDeck sheets in all materials and finishes have an AA classification in accordance with BS476: part 3: 1958.

LPCB approval gives specifiers and building owners assurance that the complete systems have been tested, which should lead to better insurance premiums and complete peace of mind.

• SpeedDeck and StramLiner/WalkLiner are Class O in accordance with the Building Regulations, BS476 pt 6: 1989 and BS476 pt 7: 1987. • SpeedDeck double-skin constructions are insurer friendly. • SpeedDeck has LPCB approval under certificate 738a/01. These performances mean that SpeedDeck constructions present a very low fire risk. They add little to the fire load and do not present a risk from toxic fumes in fire, or from flaming

What is LPCB approval? LPCB approval is independent third party confirmation that products and systems meet and continue to meet appropriate standards. It is different from a test, as approval helps ensure, through regular audits, that the product continues to comply with the prevailing standards, which are themselves, subject to revision and up-issue. The auditing process also helps to confirm that the product available on the marketplace is exactly the same as the product which was originally tested and approved.

droplets endangering firefighters.

LPCB approved system GRP rooflights, unless specified otherwise, are SAB/3 externally and SAA/1 internally. GRP is

The approved system consist of:-

thermosetting and does not drip in fire situations.

• SpeedDeck® (0.6 and 0.7mm steel with 200

GRP tends to char but not melt or run. Class O

micron PVC coating, 0.9mm aluminium with

GRP is available for internal skins.

plain stucco, pvdf or ARS coating) • 180 to 220mm Knauf Factoryclad glass quilt

LPCB approval 738a/01 SpeedDeck Building Systems has invested in the successful testing of its roofing products to LPCB LPS1181-1. SpeedDeck has approval under LPCB certificate 738a/01 to grade EXT-B.

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insulation (Euroclass A1 non combustible insulation) • IsoBar® • WalkLiner® 32mm deep steel walkable liner, SD Seal to side laps, 5x6mm dia butyl to end laps • Non combustible filler blocks to the liner

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Performance - Fire Junction of compartment wall/roof

1500mm

1500mm

Compressed quilt

Junction of compartment wall with roof

designation of Class 1 to BS476: Part 7: 1971 and

In situations where SpeedDeck passes over party

The detail consists of filling the roof void with

or compartment walls, the detail can be adopted

compressed Rockwool quilt for a distance of

to meet the spirit of the Building Regulations

1.5m either side of the wall. The gap between the

Approved Document B3 Section 8 paragraph 8.24.

underside of the liner and top of the wall should

Class ‘O’ in the Building Regulations.

be filled with Rockwool or similar fire stop blocks, SpeedDeck roof coverings meet a designation of

shaped where necessary to the liner profile. The

AA to BS476: Part 3: 1958.

fire stop blocks should be secured in position

Rockwool Insulation is classed as non-combustible to BS476: Part 4: 1970. StramLiner/WalkLiner liner panels meet the

using angle trims. The side-laps of the liner should be stitched at 300mm centres, using steel rivets or stitcher screws.

Performance - Thermal Thermal insulation

The ‘U’ values in the table provide values for

The building regulations AD L2 and BS EN

into account.

10211-2 have substantially changed the method

SpeedDeck constructions taking all of the above

of calculation for ‘U’ values. These must now take into account any thermal bridges within the construction and are affected by insulation thickness and type, spacer type, spans, profile shape etc.

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Performance - Thermal SpeedDeck U values, solid liner Quilt Depth mm

Average purlin centres m

W/mK

1.0

1.1

0.040

0.31

0.30 0.30 0.30 0.30 0.30 0.30 0.30 0.29

0.037

0.29 0.28 0.28 0.28 0.28 0.28 0.28 0.27 0.27

0.035

0.27 0.27 0.27 0.27 0.26 0.26 0.26 0.26 0.26

0.040

0.25 0.25 0.25 0.25 0.25 0.25 0.24 0.24 0.24

0.037

0.24 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23

150

180

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1020mm max

0.035

0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.21

bracket cts

0.040

0.23 0.23 0.22 0.22 0.22 0.22 0.22 0.22 0.22

200

0.037

0.21

0.035

0.20 0.20 0.20 0.20 0.20 0.19

220

0.21

0.21

0.21

0.21

0.20 0.20 0.20 0.20 0.19

0.19

0.19

0.040

0.21

0.21

0.21

0.21

0.20 0.20 0.20 0.20 0.20

0.037

0.20 0.19

0.19

0.19

0.19

0.19

0.19

0.19

0.19

0.035

0.19

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.040

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.18

250

765mm max

0.037

0.17

0.17

0.17

0.17

0.17

0.17

0.16

0.16

0.16

bracket cts

0.035

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.15

280

0.040

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.16

with top

0.037

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

hat spacers

0.035

0.15

0.15

0.14

0.14

0.14

0.14

0.14

0.14

0.14

1.4

1.5

1.6

1.7

1.8

SpeedDeck U values, perforated liner Quilt Depth mm

Average purlin centres m

W/mK

1.0

150 +30mm

0.040

0.26 0.26 0.26 0.26 0.25 0.25 0.25 0.25 0.25

acoustic batt

0.037

0.25 0.24 0.24 0.24 0.24 0.24 0.23 0.23 0.23

1.1

1.2

1.3

0.035

0.24 0.23 0.23 0.23 0.23 0.23 0.22 0.22 0.22

180 +30mm

0.040

0.22 0.22 0.22 0.22 0.22 0.21

acoustic batt

0.037

0.21

0.035

0.20 0.20 0.20 0.19

0.21

0.21

0.21

0.21

0.21

0.20 0.20 0.20 0.20 0.20 0.20 0.19

0.19

0.19

0.19

0.19

765mm max

200 +30mm

0.040

0.20 0.20 0.20 0.20 0.20 0.19

0.19

0.19

0.19

bracket cts

acoustic batt

0.037

0.19

0.18

0.18

0.18

0.19

0.19

0.19

0.18

0.18

0.035

0.18

0.18

0.18

0.18

0.18

0.17

0.17

0.17

0.17

220 +30mm

0.040

0.19

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.18

acoustic batt

0.037

0.17

0.17

0.17

0.17

0.17

0.17

0.17

0.17

0.16

0.035

0.17

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.16

250 +30mm

0.040

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.16

acoustic batt

0.037

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.035

0.15

0.15

0.15

0.14

0.14

0.14

0.14

0.14

0.14

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30


Performance - Thermal SpeedDeck U values, solid structural deck Quilt Depth mm

Average purlin centres m

W/mK

1.0

0.040

0.24 0.24 0.24 0.24 0.24 0.24 0.24 0.24 0.24

0.037

0.23 0.23 0.23 0.22 0.22 0.22 0.22 0.22 0.22

0.035

0.22 0.22 0.21

1000mm max

180

200

bracket cts

1.1

1.2

1.3

0.21

1.4

0.21

1.5

1.6

1.7

1.8

0.21

0.21

0.21

0.21

0.040

0.22 0.22 0.22 0.22 0.22 0.21

0.21

0.21

0.21

0.037

0.21

0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20

0.035

0.20 0.19

0.040

0.21

0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20

0.037

0.19

0.19

0.19

0.19

0.19

0.19

0.18

0.18

0.18

0.035

0.18

0.18

0.18

0.18

0.18

0.18

0.18

0.17

0.17

220

250

0.19

0.19

0.19

0.19

0.19

0.19

0.19

0.040

0.18

0.18

0.18

0.18

0.18

0.18

0.17

0.17

0.17

0.037

0.17

0.17

0.17

0.17

0.16

0.16

0.16

0.16

0.16

750mm

0.035

0.16

0.16

0.16

0.16

0.16

0.16

0.15

0.15

0.15

bracket cts

0.040

0.16

0.16

0.16

0.16

0.16

0.16

0.16

0.15

0.15

0.037

0.15

0.15

0.15

0.15

0.15

0.15

0.14

0.14

0.14

0.035

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

1.4

1.5

1.6

1.7

1.8

280

SpeedDeck U values, perforated structural deck

31

Quilt Depth mm

Average purlin centres m

W/mK

1.0

150mm

0.040

0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23 0.23

Plus 30mm

0.037

0.22 0.22 0.22 0.22 0.22 0.21

1.1

1.2

1.3

0.21

0.21

0.21

960mm

acoustic batt

0.035

0.21

0.21

0.21

0.21

0.21

0.21

0.21

0.20 0.20

bracket crs

170mm

0.040

0.21

0.21

0.21

0.21

0.21

0.21

0.21

0.20 0.20

Plus 30mm

0.037

0.20 0.20 0.20 0.20 0.19

0.19

0.19

0.19

0.19

acoustic batt

0.035

0.19

0.19

0.18

0.18

0.18

0.19

0.19

0.19

0.19

190mm

0.040

0.20 0.20 0.20 0.20 0.19

0.19

0.19

0.19

0.19

Plus 30mm

0.037

0.19

0.18

0.18

0.18

0.18

0.19

0.19

0.18

0.18

acoustic batt

0.035

0.18

0.18

0.18

0.18

0.18

0.17

0.17

0.17

0.17

660mm

220mm

0.040

0.18

0.18

0.17

0.17

0.17

0.17

0.17

0.17

0.17

bracket crs

Plus 30mm

0.037

0.17

0.17

0.16

0.16

0.16

0.16

0.16

0.16

0.16

acoustic batt

0.035

0.16

0.16

0.16

0.16

0.15

0.15

0.15

0.15

0.15

250mm

0.040

0.16

0.16

0.16

0.16

0.15

0.15

0.15

0.15

0.15

Plus 30mm

0.037

0.15

0.15

0.15

0.15

0.14

0.14

0.14

0.14

0.14

acoustic batt

0.035

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.14

0.13

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Performance - Acoustics Acoustics - Sound insulation and sound absorption

48dB construction

SpeedDeck constructions are very good barriers to sound and highly efficient absorbers of sound energy. SpeedDeck roofs have been successfully used on cinemas, schools, under major airport flight paths and to combat rain/hail noise. The SpeedDeck Agrément double-skin construction, for example, provides sound insulation of Rw = 45.7dB for 0.6mm steel SpeedDeck and 42.5dB for aluminium SpeedDeck.

Perforated liner is however transparent to sound and, while providing good absorption characteristics, reduces the Sound Reduction Index (SRI). The SoundRoof constructions provide The performance of SpeedDeck constructions

a combination of excellent sound absorption along

can be further increased depending upon the

with good sound insulation. The constructions

insulation and other materials used. Typical tested

were assessed by the British Board of Agrément

values assessed by Sound Research Laboratories

and are a part of SpeedDeck Agrément certificate

are 48dB, using 0.7mm steel SpeedDeck and

No. 96/3262.

WalkLiner and 49dB using 0.9mm aluminium SpeedDeck and 1.25mm steel liner, in practical and simple build-ups using no layers of plasterboard and other boards. The low frequency responses in these constructions are also very good.

The control of echo or reverberation within a building is provided by choosing perforated steel WalkLiner with acoustic batts and a StramCheck vapour control layer. This assembly provides excellent absorption and is very effective in sports halls etc.

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32


Performance - Acoustics Sound reduction/insulation Sound reduction or sound insulation refers to the reduction of sound energy passing through a dividing element, also commonly referred to as break-in or break-out. The principal factors affecting the ability of an element to prevent sound from passing through it are mass, shape, size and the absorbent qualities of constituent materials. The SpeedDeck Agrément certificate U=0.25W/ m2K construction provides Rw = 45.7dB with

Sound insulation comparison between double-skin SpeedDeck and a composite panel

aluminium SpeedDeck (Rw being a weighted average sound reduction value over a frequency range of 125 - 4000 Hz). Rw of 45.7dB and 42.5dB compare very well by a factor of 8 with the typical value of Rw=26-27dB, achieved by foam composite panels. A wide range of constructions are possible with SpeedDeck, combining different insulation thicknesses, densities and types of liner. A range of sound reduction values are provided in the table either from test data or calculated

SOUND REDUCTION INDEX (SRI) dB

0.6mm steel SpeedDeck and 42.5dB with 60 50 40 30 20 10 0

on SpeedDeck’s Computer Acoustic Modelling

63

125

250 500

1K

2K

4K

FREQUENCY Hz

Facility, developed by Salford University. Key The computer modelling facility allows SpeedDeck to assess the potential performance of a doubleskin construction and to tailor it to the client’s needs. Experience has shown the computer assessed performance to be accurate when verified by testing for a project. Test data is to BS EN ISO/140/3 : 1995 and is the most reliable guide to performance. The components used within the tests (i.e. liner profile/spacer etc.) cannot be substituted for

Typical Rw=27dB composite roof (steel) SpeedDeck Double-skin steel, U=0.25W/m2K, Rw=45.7dB SpeedDeck Double-skin aluminium. U=0.25W/m2K, Rw=42.5dB

To achieve the full potential sound insulation, the construction (insulation plus membranes) must continue over roof features such as ridges and valleys with minimal interruption. Any penetrations will affect performance, particularly lightweight rooflights!

others and the test results cannot be assumed to apply to other roof profiles without risking a loss in performance. Because of the potential number of combinations of materials and components and the large number of tested constructions, it is not possible to provide an exhaustive list in the table. Please contact SpeedDeck for assistance with other constructions. Acoustic performance assessed for SpeedDeck Agrément certificate 96/3262 is indicated in the table.

33

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Performance - Acoustics :fdgXi`jfef]iX`e`egXZkef`j\]fi[`]]\i\ekZfejkilZk`fej .' '%.ddJ`e^c\jb`ejk\\c /'ddG@I]fXd:fdgfj`k\

Jfle[@ek\ej`kpC\m\c[9

-'

'%.ddjk\\cYl`cklg (/'ddifZbhl`ckiff] ,' J;8Ckn`ejb`en`k_ JkiXdJfiYXe[(/'dd ^cXjjhl`ck('b^&d*

+'

J;8Ckn`ejb`en`k_ (/'dd^cXjjhl`ck('b^&d* *' '%.ddJ;jk\\ckn`ejb`e n`k_(/'dd^cXjjhl`ck('b^&d* )' (''

(-'

),'

+''

-*'

('''

(-''

),'' +'''

=i\hl\eZp?q

The graph shows the relative rain generated

and apartments attesting to the relative good

impact sound transmission performances of a

performance under rain.

number of roof constructions under “heavy” rain to BS EN 140-18:2006. In general, SpeedDeck

Data courtesy of Corus and from SpeedDeck

has a long history of use for schools, colleges

SRL testing.

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34


Performance - Acoustics Sound reduction table Construction Insulation StramLiner Acoustic

Spacer

o/a depth

reference WalkLiner batts used? depth mm

mm

o/a weight

o/a weight Sound

(.6 steel)kg/m (.9AL)kg/m2 RwdB 2

thickness density type thickness kg/m3 mm

Double-skin BBA (d)

180 23 RF

Solid

Double-skin

200 23 RF

0.7

no

180

230

.6 Steel .9 AL SpeedDeck SpeedDeck

18.7

15.3

45.7 (c) 42.5 (c)

Solid

0.7

no

200

250

19.2

15.7

46.3 (c) 43 (c)

Double-skin 200 23 RF Solid (construction J) TU 35

1.25

no

200

250

24.5

21

50 (g) 47 (c)

SoundRoof (d) SRST /AL1 BBA

Perf

0.7

yes

150 + TH

232

20.5

17

37 (b) 33 (b)

SoundRoof (d) 50+100 140+33 Perf SRST / AL2 BBA RF

0.7

yes

50+100+TH

232

26.0

22.5

42 (b) 40 (b)

150 33 RF

Notes a. An endless choice of insulation thickness and density, liner thickness, solid or perforated liner etc. is possible. Contact SpeedDeck for the performance of other combinations. b. Denotes constructions providing sound absorption and sound insulation together. c. Some values were obtained by test, other values (marked (c)) were obtained by the SpeedDeck Computer Acoustic Modelling Facility developed by Salford University. d. Denotes constructions in SpeedDeck AgrĂŠment certificate 96/3262. e. RF denotes rock fibre insulation (quilt/semi rigid/rigid). f. +TH denotes use of 31mm galvanised steel top hat under IsoBar support brackets. g. 0.7mm steel SpeedDeck.

Continuity of components at ridge to maintain sound insulation

Sound always looks for gaps to escape through a building

Sound absorption

The sound absorption performance is independent

Sound absorption is the control of reverberation

vapour control layer and applies to all

within an enclosed space. This is achieved domestically by floor coverings, curtains and furniture. On a larger scale, SpeedDeck with pan-perforated WalkLiner or perforated deck with acoustic batts provides excellent sound absorption.

deck were tested by Sound Research Laboratories (SRL) to BS3638:1987/ ISO354:1985.

35

constructions using perforated WalkLiner and acoustic batts. The perforated liner and acoustic batt construction uses IsoBar supported by its brackets at 765mm nominal maximum centres,

The absorption performances of WalkLiner and

Frequency Hz

of the insulation layer above the StramCheck

125

250

500

1000

IsoBar is carried in turn by galvanised steel top hat spacers. The StramCheck vapour control layer is transparent, allowing the top hats to be seen for fixing. The acoustic batts are faced with black

2000 4000

Coefficient (WalkLiner)

1.39

1.29

1.16

1.03

0.80

0.82

Coefficient (Deck)

0.25

0.75

0.70

0.25

0.15

0.0

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tissue, minimising visible butt joints.

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Performance - Acoustics

Basic SoundRoof construction (SRST/AL1) to BBA Certificate 96/3262

Sound Absorption; SpeedDeck vs Composite

SOUND ABSORPTION COEFFICIENT

1.0 0.9 0.8 0.7 0.6

The 33 to 42dB values achieved by SoundRoof 0.5

constructions do not compare well with the 45.7dB

0.4

achieved by the Agrément double-skin U=0.25W/ m2K construction - until the sound absorption

0.3

capacity also provided is appreciated and taken into 0.2

consideration. The SoundRoof constructions give a

0.1

good combined performance in terms of both sound

0

insulation and sound absorption. 63

125

250 500

1K

2K

4K

FREQUENCY Hz

In roof systems with perforated inner profiles

Typical composite panel SpeedDeck with perforated WalkLiner VTA 158

(WalkLiner/ StramLiner/ structural decks) it is essential that the reinforced polythene StramCheck vapour control layer is good, any

Section through SRST/AL1 showing top hat + batt.

SpeedDeck SD 100 Breather

IsoBar

Main insulation

StramCheck top hat spacer

Tissue faced acoustic batts 0.7mm steel pan perforated WalkLiner

SoundRoof (SRST/AL1 and SRST/AL2) The SoundRoof constructions assessed by the BBA for SpeedDeck Agrément certificate 96/3262 combine a good sound absorption and sound reduction performance. The perforated WalkLiner is effectively transparent to sound transmission and this affects the overall sound reduction Rw value. This is compensated for by using more dense 33kg/m3 semi-rigid rock-fibre for the main insulation. The SRST/AL2 construction also includes an additional 50mm of 140kg/m3 insulation to boost the sound insulation value achieved.

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Mental Health Day Centre, featuring acoustic SpeedDeck for sound insulation against heavy localised air traffic and sound absorption in the entrance and créche areas.

tears repaired, sealed at perimeters, sealed at penetrations, continuous over hips and valleys, and robustly connected to the wall air barrier. The StramCheck layer is the roof air barrier and so subject to the air pressure testing. Also, be aware that the perforated liner or deck will allow air/ sound/ smoke to travel over the top of a wall abutting the soffit of the profile. Suitable measures should be taken at design and installation stage, both within the roof construction and under to avoid air/ sound/ smoke flanking the wall.

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36


Performance - Moisture/Airtightness Condensation Performance Building type

Typical internal

Roof type

Max sheet

Surface

environment

length m (f)

condensation

temp°C

A (d)

at-5°C

RH

B (d)

external

warehouse (c)

15

35

BBA D/S

>55 (e)

100+m

no

heated factory (c)

15

35

BBA D/S

>55 (e)

100+m

no

school (c)

20

50

BBA D/S

29

57m

no

office (c)

20

40

BBA D/S

41.5 (e)

83m

no

pool (c) (a)

25

70

‘Pool Roof’

N/A

100+m

no

pool (c) (b)

25

70

‘Pool Roof’

N/A

100+m

no

domestic house (c)

20

55

BBA D/S

21.5m

43m

no

sports hall

20

60

SoundRoof

19m

38m

no

SRST/AL1

Notes a. Refer to Section 7 on high-humidity/pool roofs for construction type, solid liner, vented zone. b. Refer to Section 7 on high-humidity/pool roofs for construction type, perforated liner, vented zone. c. Typical internal environments from BS6229 : 1982, notional indoor design conditions. d. A - represents sealed StramLiner/WalkLiner, no StramCheck. B - represents sealed StramLiner/WalkLiner backed-up by StramCheck. (Stramcheck AL for pools). e. Low risk internal environment, off BBA fig 8 graphs. f. Derived from BBA 96/3262 fig 6 and fig 8. Length limits greater than 55m are established by SpeedDeck Designer Software.

Condensation

StramLiner/WalkLiner is sealed at perimeters by

The performance of SpeedDeck constructions

of 50mm air-seal filler blocks at eaves/ridge/hip/

under various environmental conditions can be checked using the SpeedDeck Designer4 software. SpeedDeck roofs are designed to be breatheable, airtight and watertight constructions in the same way that human skin is breatheable but watertight.

sealing and stitching to verge angle trims and by use valleys. Two fixings per pan are used to compress the 50mm filler and achieve a good air-seal. On roofs that have many interruptions, such as rooflights hips and valleys, StramCheck is an optional additional item to back up the sealing of the liner. In these instances, it is easier to install

Vapour control The vapour control layer is formed by StramLiner/WalkLiner with side laps sealed using 50mm SD Seal tape. End laps are sealed using 6x5mm butyl seal within the end laps. This method is weather tolerant and damage resistant. StramLiner/WalkLiner is secured to purlins with 5.5mm diameter screws with 15mm diameter bonded rubber washers and by IsoBar brackets with integral sealer pads.

StramCheck and maintain an effective seal. Special attention is needed in design and on-site to anticipate air leakage paths in constructions using a perforated liner or deck. A StramLiner/WalkLiner vapour control layer is, to a great extent, unaffected by weather during installation and easily checked before the SpeedDeck is installed:- externally, the SD Seal tapes and liner screws can be inspected. - internally, missing filler blocks are easily spotted due to visible light at the perimeter junctions.

37

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Performance - Moisture/Airtightness Falls

Design air leakage rates –

The minimum actual fall for SpeedDeck is 1°, with

WalkLiner/StramLiner at 50Pa

the basic provision that water does not pond for a

Eaves/ridge

0.612m3/hr/lm

long period after rainfall. To achieve a 1° minimum

Side lap

0.0m3/hr/lm

actual fall may require designing for 2° - 2.5° to

End lap

0.0m3/hr/lm

overcome structure dead-load deflections and

Longitudinal edge

0.612m3/hr/lm

installation tolerances.

Air seal / Vapour seal Curved roofs go through a position of zero fall at the apex. This is not detrimental to the roof due

Side lap:

to the limited extent and position of the zero fall.

SD Seal 50mm butyl/foil tape

Even under 1 in 50 year rain storms and with very

End lap:

long low pitch sheet lengths, the flow rates from

5x6mm butyl within lap

SpeedDeck result in minimal depths of flow (85m sheet length, 0.056l/s, 6mm depth of flow).

Eaves/ridge/hip/valley: 50mm WalkLiner/StramLiner air-seal PEL filler blocks under liner profile, compressed by a

Airtightness

minimum of two 5.5mm dia screws plus 15mm

The control of air leakage is now a requirement of

dia washers per pan of liner.

the building regulations with most buildings to be Longitudinal edge:

the subject of air tightness testing.

9x3mm butyl or SD Seal (as appropriate) to edge The permitted air leakage rate is 10m /hr/m at a 3

2

support angle trim, stitched.

pressure difference of 50Pa. SpeedDeck’s approach to airtightness employs simple, low cost methods that are easy to install, and straightforward to check, yet have a significant impact on running costs, energy efficiency and comfort, and help the building to pass the airtightness tests. SpeedDeck has carried out airtightness testing on sealed StramLiner/ WalkLiner. The simple, positive and easy to check method of sealing a SpeedDeck roof gave the air leakage rates given in the table. Note that any penetrations, rooflights/ pipes etc should also be sealed to the liner. Use white dektite soakers internally for pipes.

In roof systems with perforated inner profiles (WalkLiner/ StramLiner/ structural decks) it is essential that the reinforced polythene StramCheck vapour control layer is good, any tears repaired, sealed at perimeters, sealed at penetrations, continuous over hips and valleys, and robustly connected to the wall air barrier. The StramCheck layer is the roof air barrier and so subject to the air pressure testing. Also, be aware that the perforated liner or deck will allow air/ sound/ smoke to travel over the top of a wall abutting the soffit of the profile. Suitable measures should be taken at design and installation stage, both within the roof

A typical 2000m roof with 240 lm of eaves/

construction and under to avoid air/ sound/

ridge, 66.7 lm of verge, 1960 lm of side lap and

smoke flanking the wall.

2

360 lm of end lap would have an air leakage of 0.1 m3/hr/m2 at 50Pa through the roof. This is a fraction of the permissible air leakage rate of 10m3/hr/m2 and demonstrates the potential airtightness achievable by a SpeedDeck roof.

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38


Performance - Moisture/Airtightness Breathability

Cold roofs

In assessing SpeedDeck for the risk of interstitial

The SpeedDeck Double-Skin System is effectively

condensation, the AgrĂŠment Board allowed a

a warm roof. Ventilated cold roof designs are

defect area in the vapour control layer of 10mm /

generally used in refurbishment, where SpeedDeck

m2. This is, in effect, a factor of safety on the

is used to over-roof an old BUR or asphalt roof.

vapour control layer and allows for damage or

The existing roof must be made good to act as a

workmanship factors.

vapour control layer and any penetration points

2

for new structure anchorage points sealed. A Breatheable insulation, and the SpeedDeck profile

sealed StramCheck membrane can additionally

ensure that an ingress of moisture through this

be laid over the existing roof. Any existing vents

theoretical defect area can dissipate harmlessly.

must be extended to exhaust outside the roof void,

Vapour-permeable quilt insulation allows any

otherwise they will generate condensation within

moisture vapour present to pass through.

the void. The void between the new insulation laid on the existing roof and the new SpeedDeck needs to be effectively cross-ventilated. There may be a risk of some condensation occurring in a cold roof at certain times of year. If it cannot be tolerated then the condensation can be controlled and stopped from dripping by using StramSorb or SD100 pulled taut immediately under the SpeedDeck.

Cold roof ventilation

Ventilating air

Existing roof acting as a vapour control layer

39

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Performance - Moisture/Airtightness StramSorb cold roof condensation control

SpeedDeck StramSorb consists of a soft, textured, off-white, self-adhesive polyester fleece applied in the factory to the SpeedDeck profile.

Condensation due to night sky radiation can occur in single-skin metal roofing constructions, such

StramSorb is applied to the reverse side of

as flat-to-pitch conversions, where the insulation

SpeedDeck prior to roll forming. Areas such as

is positioned on the old roof, creating a void

SpeedDeck’s keyhole ribs do not receive StramSorb

under the new outer sheet. In extreme cases,

to avoid impairing the clipping action. This does not

condensation water can penetrate into the building,

affect the function of the StramSorb coating.

giving the illusion and discomfort of a roof leak. Ventilation of the void removes the moisture when

StramSorb allows surface condensation to occur,

the conditions are right. Where this occasional

but retains moisture in its pores (up to 360g/m2)

moisture cannot be tolerated, SpeedDeck

until evaporation occurs. The textured finish

StramSorb provides a cost effective alternative

increases the overall surface area, promoting the

solution. It absorbs surface condensation,

drying rate. Most metal roofs experience rapid

preventing drips, until essential ventilation and the

heat gain soon after direct exposure to sunlight.

temperature of the metal roof allow the moisture

This, together with adequate roof ventilation,

to dissipate. This factory-applied treatment has

dissipates the moisture held within StramSorb.

a fleece surface, affording a large drying area for

The amount of gap at perimeter details and

rapid evaporation.

ridge to allow ventilation for cold roofs should be equivalent to a continuous gap of 25mm either

StramSorb

side of a roof. (Source: BRE Guidebook “Thermal Insulation : Avoiding The Risks”). Fleece increases surface area allowing faster drying than a flat, solid surface

A vapour control layer is required in roofs using SpeedDeck StramSorb. The existing bitumen or asphalt roof made good or a reinforced polythene

Solar gain raises roof temperature encouraging evaporation

membrane over the old roof can provide this. StramSorb conforms to a Class 3 Surface Spread of Flame to BS476;Part 7 and Class M1 (nonflammable) in French Norm NF.P.92-5. Where appropriate, fire breaks should be allowed for as required in the Building Regulations Approved Document B3. StramSorb must be isolated from timber items

Ventilation air removes moisture when conditions are right Internal moisture absorbed by StramSorb, drips prevented

(including purlins) by waterproof PVC tape or a strip of bitumen felt and powder-coated SpeedDeck clips with stainless steel fixings can be specified for extra corrosion protection to these items, if desired.

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40


Performance - High Humidity High-humidity buildings / swimming pools

High-humidity construction SpeedDeck

The roofs of high-humidity buildings and swimming pools require a different design approach to that used for buildings with lower humidities and more normal environments.

40mm ventilation zone SD 100 breather membrane

IsoBar

Two basically similar constructions are described

Aluminium StramLiner

in the following sections. One has a solid liner

Mineral wool insulation quilt

for no sound absorption; the second has a pan

StramCheckAL vapour control layer

perforated liner for good sound absorption.

The constructions 1. The vapour control layer is the most important item of all. The roof installer should recognise this and design and install details appropriately. 2. Solid StramLiner consists of 0.9mm aluminium polyester-coated to one side with all laps sealed, stitched and taped. Air-seal filler blocks under StramLiner to reduce air leakage must not be overlooked. 0.9mm aluminium Top hat and aluminium perforated StramLiner

StramLiner is not walkable. 3. The vapour check membrane is Stramcheck AL, an aluminium/polythene reinforced

It has to be recognised that swimming pool halls potentially place quite onerous demands upon the fabric of the building. A simple example is the humidity and vapour drive trying to push moisture vapour into the building fabric. A typical school or office has an internal vapour pressure of 1.1 kPa, this doubles to typically 2.2 kPa in a swimming pool (source BS6229:1982). The potential for moisture vapour to enter into the roof is much greater and the SpeedDeck constructions described provide a good barrier against that moisture gaining entry in the first place. However, they accept that no vapour control layer can be perfect and therefore have a ventilation/drainage zone where moisture that does enter can dissipate. The constructions use components with enhanced

laminate with all laps sealed. The vapour check should preferably run from ridge-to-eaves in one sheet. The membrane must be sealed to abutments and penetrations, be continuous over ridges, hips and sloping valleys and self-draining at the eaves. Any damage to the membrane must be made good. Connections to abutments etc. must be durable and, if necessary, clamped by securely-fixed metal strips. The VCL should drape into the liner profile. If pulled taut, increase IsoBar brackets by 30mm. 4. In cases where the vapour check is not installed 100% correctly, there will realistically be some seepage. The zone between the breather membrane and the SpeedDeck is ventilated and self-draining and will require appropriate ridge and eaves detailing. 5. All primary fasteners should be stainless steel

corrosion protection - aluminium, powder-coated

as advised by the fixing manufacturer. While

galvanised steel, stainless steel - to provide additional

stainless steel and aluminium are different

protection for components in case of condensation.

materials, stainless steel is better, on balance, than carbon steel in this application.

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Performance - High Humidity 6. If sound absorption is required then the liner is changed to 0.9mm pan-perforated aluminium StramLiner. Black tissue-faced acoustic batts are incorporated within the liner troughs along with aluminium top hats under spacer brackets. The workmanship and integrity of the vapour check membrane is paramount. 0.9mm perforated StramLiner is not walkable. 7. 0.9mm solid or perforated aluminium StramLiner can provide lateral restraint to the top flange of light gauge purlins. Position the fasteners either side of ribs in the unperforated edge and in every pan. 8. For additional peace of mind the specifier can opt for all galvanised components above the VCL to be powder-coated for extra protection (clips, IsoBar, etc).

Detailing and workmanship Detailing and workmanship need to be of a high standard to achieve the best vapour control layer possible as well as a good, consistent insulation

Pool/high-humidity construction - solid liner (no sound absorption) A full NBS-style draft specification is available from SpeedDeck Building Systems Ltd

Brief specification 1. 0.9mm polyester-coated aluminium StramLiner. 50mm solid fillers under StramLiner. Side laps sealed with 50mm SD Seal. End laps sealed with 5x6mm dia butyl sealant. Seal at perimeters. 2. Aluminium/Polythene reinforced StramCheck AL, 75mm minimum laps sealed with 2 rows of butyl strip sealant. Sealed to abutments/ penetrations (mechanically secured where necessary), continuous over ridges/ hips, draining at eaves. VCL to drape down between ribs. (if pulled taut, increase IsoBar by 30mm). 3. 180mm IsoBar, powder-coated as an option. 1.02m maximum bracket centres, fixed with 2 No stainless steel screws (see item 8). 4. 180mm minimum Glass or Rockwool quilt (or

layer with no gaps or omissions, preventing cold-

greater, with IsoBar bracket depths to suit).

bridging. Good attention to detailing will also

Tightly packed around and under spacer, no gaps.

cut down draughts, reducing energy loss and

5. SD100 breather membrane with 150mm laps.

discomfort. Close supervision of workmanship by

6. Pre-punched, vented zed (powder-coated option)

the roofing contractor is essential.

galvanised steel. 35/30/35 x 1.6mm steel with 10 x 14 slots at 40mm centres, fixed at 500mm centres using stainless steel screws as item 8, via 10mm nominal packers to allow drainage. 7. SpeedDeck clips and starter clips, powder coated option, fixed with 2 No stainless steel torx-drive SDSS28 screws. 8. 304 stainless steel self-drilling and tapping screws with 16mm bonded rubber washers. 9. SpeedDeck.

Pool/high-humidity construction perforated liner for sound absorption A full NBS-style draft specification is available from SpeedDeck Building Systems Ltd

Brief specification (dia.24) 1. 0.9mm aluminium pan-perforated StramLiner white polyester. Solid fillers under StramLiner.

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42


Performance - High Humidity 2. 31 x 193mm acoustic batts in troughs. Black

greater, with IsoBar bracket depths to suit).

tissue to side facing perforations.

Tightly packed around and under spacer, no gaps.

3. 3mm extruded aluminium top hat spacer stool

7. Pre-punched, vented zed (powder-coated option)

under each IsoBar bracket, 765mm nominal

galvanised steel. 35/30/35 x 1.6mm steel with

centres, secured using screws as item 9.

10 x 14 slots at 40mm centres, fixed at 500mm centres using stainless steel screws as item 9,

4. Aluminium/Polythene reinforced StramCheck AL, 75mm minimum laps sealed with 2 rows

via 10mm nominal packers to allow drainage.

of butyl strip sealant. Sealed to abutments/

8. SD100 breather membrane with 150mm laps.

penetrations (mechanically secured where

9. 304 stainless steel self-drilling and tapping

necessary), continuous over ridges/hips, draining at eaves.

screws with 16mm bonded rubber washers. 10. SpeedDeck clips and starter clips , powder coated option, fixed with 2 No stainless steel

5. 180mm IsoBar, powder-coated as an option. 765mm nominal bracket centres, fixed with 2 No stainless steel screws (see item 9).

torx-drive SDSS28 screws. 11. SpeedDeck.

6. 180mm minimum Glass or Rockwool quilt (or

Performance - Durability Lightning Tests on painted steel, painted aluminium and natural aluminium show that electrical continuity exists between the SpeedDeck profile and clips. The resistance measured in tests was <1 ohm for steel and aluminium SpeedDeck. This indicates its suitability to be part of a lightning protection system in compliance with BS6651 without the need for additional bonding between sheets. In a typical built up system the clips are connected metal-to-metal via the steel spacer rail and carbon steel screws to the steel purlins. 0.6mm and 0.7mm steel SpeedDeck and 0.9mm aluminium SpeedDeck comply with the requirements of BS 6651 table 5 for the minimum material thickness to act as a part of an air termination network.

Durability

â&#x20AC; Coastal application

The ridge includes a mechanical barrier to water by means of the turn-up. The eaves uses a turndown to rapidly shed water. On steel SpeedDeck, the factory-sheared ends are factory-protected for increased resistance to endpeel. Site-cut edges (valleys for example) can be similarly painted on site. The life expectancy of SpeedDeck is essentially a reflection of the durability of each material, in particular the life of the coating.

By its design, SpeedDeck avoids end-laps and the ensuing risk of leakage and corrosion. Side-laps double-interlock and do not rely on sealants.

43

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43


Performance - Durability Aluminium SpeedDeck with natural stuccoembossed finish gives the optimum combination of durability against cost. Aluminium is naturally a very long life material and, in the stucco form, has no paint finish to limit the lifespan. Stucco Aluminium after a yearâ&#x20AC;&#x2122;s exposure

Stucco aluminium is a light grey when first

The coatings on aluminium SpeedDeck can give a false

manufactured and dulls as it develops its patina

impression of the overall durability of aluminium. While

over the first few months. The patina oxidised layer

Pvf2 may have a minimum life expectancy of 20 years,

provides protection to the aluminium, promoting a

the substrate, when eventually exposed, will oxidise

long life. When the oxidised layer is breached, due

and self-heal, protecting itself from corrosion. The life

to scratching for example, it is self-healing.

of the aluminium substrate is in addition to the life of the protective paint finish.

SpeedDeck stucco aluminium, new and 1 year weathered

200 micron Plastisol and Colorcoat HPS200ÂŽ by

60m straight aluminium sheets

Corus are robust barrier coatings and resist site

Natural aluminium should be protected from

conditions and foot traffic well. Minor damage can

contamination on site by materials such as lime or

be locally made good using touch-up paint.

cement dust if stored at ground level. Aluminium SpeedDeck should be protected from contact with

Pvf2 on steel is vulnerable to foot traffic damage

alkali-bearing materials such as mortar, copper

and should be handled in an appropriate manner.

or materials containing copper (including timber

Pvf2 or ARS on aluminium are thin coatings but, if

preservatives), run off from copper or lead materials.

damaged during installation, do not require repair

The oxidised consistency of colour of Stucco

to maintain their integrity. The aluminium will self-

aluminium cannot be guaranteed. If appearance

heal except in particularly onerous conditions.

is of prime importance, use pre-painted or

Over the years, Pvf2 aluminium in typical roofing

lacquered aluminium.

colours has shown itself to be an excellent

If stored on site SpeedDeck bundles must be kept under

product with first class resistance to fading and

a ventilated cover and on a slope to drain rainwater.

chalking. There is no discernable paint loss or

Contact with strong alkalis (lime/cement etc) must be

significant change in appearance, after 20 years

avoided otherwise discolouration will occur.

exposure in urban environments. SpeedDeck life expectancy

rural / suburban

Industrial / Marine (coastal - 1 km of coast)

AL - stucco embossed (a)

40 years

25 years

AL - PVdF aluminium (b)

30 (+40) years

20 (+25) years

AL - ARS aluminium (b)

30 (+40) years

15 (+25) years

Steel Dobel 200XT (c)

25 years

20 years

Steel Dobel Nova (c)

30 years

25 years

Steel HPS200 (d)

20-40 years

20-30 years

(a) Ref BBA 96/3262. (b) Ref BBA 87/1964. Figures in brackets are the remaining life expectancy once the paint finishes have ceased to protect the substrate. (c) Figures from Dobel Steel Proof documents 2007. (d) Figures from Corus HPS200 Confidex Ultra.

44 SpeedDeck is committed to the environment. Please think before you print.

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45

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SpeedDeck is committed to the environment. Please think before you print.

eleco.com/speeddeck

46


SpeedDeck Typical Construction Details SpeedDeck has over 70 typical details to help a designer detail a roofing project. These drawings are available as a free download from http://www.eleco.com/speeddeck/dwnlds/dwnld.asp in .dwg format. The download details are in a single CAD file and are arranged in an easy access grid (illustrated below), to make finding relevant details quick and easy. Of these typical details, the basic requirement (BR) details and rooflight details are reproduced in this brochure. SpeedDeck Building Systems offers a free service of checking and commenting on customers drawings. To use this, please email drawings to the SpeedDeck technical department on technical@speeddeck.com.

1

2

3

4

5

6

7

8

9

Table of Contents

10

A

A

B

B

C

C

D

D

E

E

F

F

G

G

H

H

I

I 1

2

3

4

5

6

7

8

9

10

SpeedDeck Building Systems Limited, Oaksmere Business Park, Yaxley, Eye, Suffolk, IP23 8BW. Tel: 01379 788166 Fax: 01379 788161 email: speeddeck@eleco.com Internet: www.eleco.com/speeddeck

A1 - Ridge Detail (SD01) A2 - Curved Apex (SD02) A3 - Apex Abutment (SD03) A4 - Monoridge (SD04) A5 - Monoridge (SD05) A6 - Straight Verge (SD06) A7 - Curved Projecting Verge (SD07) A8 - Straight Projecting Verge (SD08) A9 - Side Abutment (SD09) A10 - Projecting Eaves (SD10) B1 - External Eaves Gutter (SD11) B2 - Valley Gutter (SD12) B3 - Valley Gutter (SD13) B4 - Boundary Wall Gutter (SD14) B5 - Welded Soaker (side view) (SD15) B6 - Welded Soaker (end view) (SD16) B7 - Opening End View (apron flashing) (SD17) B8 - Opening (side view) (SD18) B9 - Construction Movement Joint (SD19) B10 - Bullnose Eaves & Hidden Gutter (SD20) C1 - Bullnose Eaves & Hidden Gutter (SD21) C2 - Projecting Eaves & Hidden Gutter (SD22) C3 - Bullnose Monoridge (SD23) C4 - Half Bullnose Monoridge (SD24) C5 - Alternative Bullnose Monoridge (SD25) C6 - Bullnose Verge Detail (SD26) C7 - Overhanging Eaves Gutter (SD27) C8 - Changing Roof Pitch (SD28) C9 - Eaves Gutter with Hidden Bracket (SD29) C10 - Curved Verge Detail (SD30) D1 - Pipe Penetrations <300mm (SD31) D2 - Pipe Penetrations >300mm (SD32) D3 - SpeedDeck Welded End Lap (SD33) D4 - Curved on Plan, Faceted Roof (SD34) D5 - Typical Structural Tray Section (SD35) D6 - High Humidity Tray Section (SD36) D7 - Deck Projecting Verge Detail (SD37) D8 - Deck Verge Detail (SD38) D9 - Perforated Deck Projecting Verge (SD39) D10 - Deck Verge Detail (SD40)

E1 - Movement Ridge Detail (SD41) E2 - Deck Ridge Detail (SD42) E3 - Perforated Deck Pool Construction (SD43) E4 - Span Breaker Detail (SD44) E5 - Roof Window (side view) (SD45) E6 - Roof Window (end view) (SD46) E7 - SpeedDeck LPCB System (SD47) E8 - Perforated Pool Construction (SD48) F1 - MultiVault Triple Skin - Side Detail (SDMV01) F2 - MultiVault Bottom Detail (SDMV02) F3 - MultiVault Top Detail (SDMV03) G1 - SpeedDeck Standard Profile Side Lap (SDPS01) G2 - SpeedDeck GRP Profile Fixing Pattern Plan (SDPS02) G3 - SpeedDeck GRP Profile Assembly (SDPS03) G4 - Shallow CurveLight Profile (SDSCL01) G5 - Shallow CurveLight Assembly (SDSCL02) G6 - Shallow CurveLight Bottom End Lap (SDSCL01) G7 - Sarking Construction (TB29) H1 - SpeedDeck & Liner Profiles (BR01) H2 - SpeedDeck Eaves Detail (BR02) H3 - SpeedDeck Verge Detail (A) (BR03) H4 - SpeedDeck Verge Detail (B) (BR04) H5 - SpeedDeck Verge Detail (C) (BR05) H6 - SpeedDeck Ridge Detail (BR06) H7 - SpeedDeck Hip Valley Gutter (BR07) H8 - Hip Ridge (BR08) H9 - SpeedDeck Hip/Projecting Eaves (BR09) H10 - SpeedDeck Valley Gutter & Short Sheets (BR10) I1 - SpeedDeck Curved Eaves Detail (BR11) I2 - SpeedDeck SoundRoof Eaves Detail (BR12) I3 - SpeedDeck SoundRoof Verge Detail (BR13) I4 - SoundRoof Ridge Detail (BR14)

Issue Date: 29/01/08 SpeedDeck Building Systems Limited (an Eleco plc company) reserves the right to make substitutions and modifications to the specifications of any of its productswithoutpriornotice.Typical detailsareprovidedingoodfaith but without warranty. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’sparticularrequirementsandapplication..TheCompany undertakes business only upon its standard termsandconditions.

47

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BASIC REQUIREMENTS - SpeedDeck and Walkliner/StramLiner profile

Female

Centre

Male

45

SPEEDDECK

(50mm over clip)

510 +/- 2mm installed Direction of lay

257

254

254

32

WALKLINER/ STRAMLINER

1020 +/- 4mm installed Direction of lay

Min 60mm for 0.65/0.7mm steel and 200mm for 0.4mm steel (non-fragility requirement)

50 x 0.8mm SD Seal foil butyl strip.

BBA Requirement: Liner side laps to have SD 50 x 0.8mm foil butyl strip. Liner end laps to have 6mm dia. butyl bead within end lap. Two screws per pan at end laps advised for best seal.

Walkliner/Stramliner

Stitcher screw/rivet with rubber sealing washer at 500mm ctrs on spans over 1.8m

6mm dia butyl sealant in end lap

END LAP

SIDE LAP

Issue B Issue A Scale

Copyright SpeedDeck Building Systems Limited 2002

Revised to comments December 2001 General Revisions November 2001

N.T.S.

Date

August 2007

Drawing No.

BR01

Issue

B

SpeedDeck & Liner Profiles

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

1

SpeedDeck clip, fixed using screws provided via centre holes (for timber use 4 outer holes).

2

SpeedDeck vented filler block.

3

Overhang 125mm minimum, 300mm maximum.

4

Clear overhang 70mm minimum, 100mm maximum.

5

Turndown 20° plus, necessary at any pitch to stiffen sheet end and improve run-off, unless alternative detail used.

6

SD100 breather membrane (optional) drains over or under eaves flashing.

7

50mm solid WalkLiner airseal filler block, avoids draughts and energy loss. Fix WalkLiner through filler using 2 screws plus 15mm washer per pan to achieve best seal.

8

Stramcheck (optional) with all laps sealed and also sealed to upstands, penetrations etc. WalkLiner with sealed laps, drain at eaves if possible. Sealed to perimeters (Note WalkLiner laps must be sealed even if StramCheck membrane is used).

Alternative eaves detail for aluminium at any pitch and steel at pitch >20°

Continuous Aluminium angle riveted to Speeddeck with 2 no. rivets per pan (isolated with PVC tape if Alternative Eaves Detail attached to steel SpeedDeck)

mm 300 325 1

6

1

2 12

11

9

5 9 8 4

70 - 100mm

Construction Detail Factors, ref BRE IP17/01

10 7

13

Surface temperature factor Linear thermal transmittance Typical Climate classes (BS EN 13788) Design air leakage rate m ³ /h/lin

CGL Gutter Steel Gutter 0.86  0.68   0.19W/mk  1.5W/mk 1-4 0.6 m ³ /h/lin

2 No screws per Isobar bracket.

11

Isobar Bracket & rail system

12

Quilt Insulation

13

Gutter Liner & Insulated Gutter

Issue C Table extended for CGL October 2004 Issue B Revised to comments December 2001 Issue A General Revisions November 2001

BASIC REQUIREMENTS - Eaves ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

Copyright SpeedDeck Building Systems Limited 2002

1-3 0.6 m ³ /h/lin

10

Scale

N.T.S.

Date

August 2007

Drawing No.

BR02

Issue

C

SpeedDeck Eaves Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

48


Alternative position of zed over rib with fixing over pan see SD09.

1

40mm down turn to flashing.

2

50mm deep galvanised steel zed support flashing. Flashing fixed to zed not to rib. Zed fixed to spacer using hex head screws, zed is NOT fixed through SpeedDeck. Compressible sealant strip 5x10mm nominal (Optional for use in exposed situations, if deemed necessary).

3

6

1 2

3

4

8

9

4

Starter clip adaptor fitted on SpeedDeck clip.

5

Liner stitched @ 450mm ctrs. and sealed to perimeter trim using Butyl strip sealant.

6

Fixings ('Bulbtite' rivets or stainless steel screws plus washers) at 450mm max. centres.

7

Perimeter trim stitched @ 450mm ctrs. and sealed to vertical cladding liner using Butyl strip sealant. Angle can point up or down.

8

Isobar Bracket & rail system

9

Quilt Insulation

300 Max

5 7

BASIC REQUIREMENTS - Verge, Start End with starter clip adapter

Issue B Issue A

ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

BR03

Issue

C

Revised to comments December 2001 General Revisions November 2001

SpeedDeck Verge Detail (A)

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

1

40mm down turn to flashing.

2

50mm deep galvanised steel zed support flashing. Flashing fixed to zed not to rib. Zed fixed to spacer using hex head screws, zed is NOT fixed through SpeedDeck.

3

Compressible sealant strip 5x10mm nominal (Optional for use in exposed situations, if deemed necessary).

4

Half clip to fix final rib to Isobar Rail. Half clip can be faced forward or turned to locate under SpeedDeck sheet. 2 no, screws per half clip

Direction of lay

3

6

1

2

4

9

8

5

6

Perimeter trim stitched @ 450mm ctrs. and sealed to vertical cladding liner using Butyl strip sealant. Angle can point up or down.

8

Isobar Bracket & rail system

9

Quilt Insulation

BASIC REQUIREMENTS - Verge, Finish End with Half Clip

Issue B Issue A

ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES Scale

Copyright SpeedDeck Building Systems Limited 2002

Fixings ('Bulbtite' rivets or stainless steel screws plus washers) at 450mm max. centres.

7 5 7

Liner stitched @ 450mm ctrs. and sealed to perimeter trim using Butyl strip sealant.

Revised to comments December 2001 General Revisions November 2001

N.T.S.

Date

August 2007

Drawing No.

BR04

Issue

C

SpeedDeck Verge Detail (B)

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

49


Direction of lay

1

40mm down turn to flashing.

2

50mm deep galvanised steel zed support flashing. Flashing fixed to zed not to rib. Zed fixed to spacer using hex head screws, zed is NOT fixed through SpeedDeck.

3

Compressible sealant strip 5x10mm nominal (Optional for use in exposed situations, if deemed necessary).

4

Full clip holds Centre Rib to Isobar Rail.

5

Liner stitched @ 450mm ctrs. and sealed to perimeter trim using Butyl strip sealant.

3

6

2

1 4

9

8

6

7

Perimeter trim stitched @ 450mm ctrs. and sealed to vertical cladding liner using Butyl strip sealant. Angle can point up or down.

8

Isobar Bracket & rail system

9

Quilt Insulation

5 7

BASIC REQUIREMENTS - Verge, Finish End with Cut sheet & Full Clip

Issue B Issue A

ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

Copyright SpeedDeck Building Systems Limited 2002

Fixings ('Bulbtite' rivets or stainless steel screws plus washers) at 450mm max. centres.

Scale

N.T.S.

Date

August 2007

Drawing No.

BR05

Issue

C

Revised to comments December 2001 General Revisions November 2001

SpeedDeck Verge Detail (C)

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

14 13

1

40mm down turn to flashing.

2

SpeedDeck vented filler block with ridge flashing fixed to every rib via filler block using Bulbtite rivets or stainless steel screws with sealing washers.

3

SpeedDeck clip.

4

Turn up of SpeedDeck pan to vertical.

5

Fixed point fixing; If pitch is <5°, SDS20 through male rib to clips or if pitch >5°, stainless steel hexagonal head screw plus washer in each pan.

6

50mm solid WalkLiner airseal filler block, under spacer and secured by liner fixings. NOTE, 2 No. liner fixings per pan at ridge to seal liner to filler & avoid draughts.

7

Ridge Flashing

8

Internal ridge closer.

9

Stramcheck vapour control layer (optional) continuous over ridge.

Alternative Ridge Detail

min 25mm 2

300mm 125 -

7

5 4 5

3

1

10 11 12

9

8

10

SD100 breather membrane (optional) continuous over ridge.

11

Isobar Bracket & rail system

12

Quilt Insulation to continue over ridge with no gaps

13

0.7mm plastisol coated steel sub-girt riveted to ribs

14

Fix ridge flashing to sub-girt using stainless steel screw and washer between ribs

6

Construction Detail Factors, ref BRE IP17/01 Surface temperature factor Linear thermal transmittance Typical Climate classes (BS EN 13788) Design air leakage rate m ³ /h/lin

  W/mk

1-5 1.2 m ³ /h/lin

BASIC REQUIREMENTS - Ridge

Issue B Issue A

ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES Scale

Copyright SpeedDeck Building Systems Limited 2002

Revised to comments December 2001 General Revisions November 2001

N.T.S.

Date

August 2007

Drawing No.

BR06

Issue

C

SpeedDeck Ridge Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

50


half clips

fall

CL

1

Half clip in every rib, two screws per half clip.

2

Rake cut SpeedDeck filler blocks, consider bedding in gun applied butyl sealant.

3

Valley liner.

4

50mm solid rake-cut Airseal filler blocks under WalkLiner, fix liner with hex head screw plus 15mm washers, minimum 2 per pan.

5

Turn down along raking edge. Raking edge cut using nibbler. Treat raking edges of steel SpeedDeck using clear lacquer to protect against corrosion.

6

90 x 40 x 1.6mm galv. ledger angle (90mm flat top leg)

7

Optional snowguard flashing/trim to tidy raking cuts fixed through nterlocking ribs.

8

75 x 75 galv. cleader angle for WalkLiner & gutter fixed to ends of purlins

D C B A

Gutter Type Changed January 2003 Revised to comments December 2001 General Revisions November 2001 Pan fixing revised & additional annotation May 1999

full clip

1 fall 125

150 min gap

- 30 0mm

6

purlin/spacer line

hip valley gutter wrap over flanges

7

2

5

min

Isobar fixed through wrap over flanges to cleader rail

25

CL

90x40x1.6mm (90mm top flat)

4 8

cleader rail

HIP VALLEY PLAN VIEW

3

Construction Detail Factors, ref BRE IP17/01 Surface temperature factor Linear thermal transmittance Typical Climate classes (BS EN 13788) Design air leakage rate m³ /h/lin

BASIC REQUIREMENTS - Hip Valley Shallow gutter type for roofs with pitch >5° ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

Copyright SpeedDeck Building Systems Limited 2002

  W/mk

1-5 1.22 m ³ /h/lin

Scale

N.T.S.

Date

August 2007

Drawing No.

BR07

Issue

D

Issue Issue Issue Issue

Hip Valley Gutter

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

10

25mm

min

300mm 125 -

9

4

2

1

40mm site notched turn down to hip flashing

2

Rake cut SpeedDeck filler blocks, consider bedding in gun applied butyl sealant.

3

Ridge liner.

4

SpeedDeck turn up

5

50mm solid rake-cut Airseal filler blocks under WalkLiner, fix liner with min 2 washered screws per pan.

6

75 x 75 galv. cleader angle for WalkLiner & ridge liner to ends of purlins

7

Quilt Insulation

8

Isobar Rail & Bracket system

9

Hip Ridge capping with sealed laps

1

8 7

Pan fixing (fixed point) 3 5

6

fall

fall

full clip

10

Pan fixing (fixed point), stainless steel hex head screw with min 15mm dia washer. Cover with flashing if possible.

purlin/spacer line Construction Detail Factors, ref BRE IP17/01

Isobar fixed through liner flashing to cleader rail

line of hip ridge flashing

Surface temperature factor Linear thermal transmittance Typical Climate classes (BS EN 13788) Design air leakage rate m ³/h/lin

  W/mk 1-5 1.2m ³ /h/lin

internal liner flashing cleader rail

BASIC REQUIREMENTS - Hip Ridge

Issue C Issue B Issue A

HIP RIDGE PLAN VIEW

ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

BR08

Issue

C

Revised to comments December 2001 General Revisions November 2001 125-300mm dim added May 1999

Hip Ridge

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

51


Hip line (Note:- 2 fixings per pan in liner along hip). Cleader to carry hip spacer.

Isobar Spacer Rail

Key

= Full clip position.

Isobar Spacer Rail

= Pan fixing position - in addition to 1/2 clips if used (Optional, can assist in fixing sequence).

Isobar Spacer Rail

= Top of rib fixing in interlocking ribs when sheet is less than double spanning.

Plan of Hip Eaves (Note:- 2 fixings per pan in liner along eaves).

Stainless steel Torx head screw (or Sela head if preferred), fix to clip head, min 15mm dia. washer. Gutter

Turn down each pan

Eaves

Plan of Short sheets below secret gutter Issue B Issue A

BASIC REQUIREMENTS - Hip & Projecting Eaves Scale

Copyright SpeedDeck Building Systems Limited 2002

Revised to comments December 2001 General Revisions November 2001

N.T.S.

Date

August 2007

Drawing No.

BR09

Issue

C

SpeedDeck Hip/Projecting Eaves

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

Key Ridge

= Full clip position.

Isobar Spacer Rail Isobar Spacer Rail Sl i op

= Full clip & fixed point position. (fixed point to be pan fix where pitch >5° or SDS20 to clip where pitch <5°)

ng va

Isobar Spacer Rail

y lle gu er tt

Turn down

Cleader to carry hip valley spacer.

Isobar Spacer Rail Eaves Turn down

= Half clip (fix with 2No. screws)

= Half clip plus crown fixing where sheet is less than a full double span

Plan of Sloping Valley Gutter

Stainless steel Torx head screw (or Sela head if preferred), fix to clip head, min 15mm dia. washer.

BASIC REQUIREMENTS Short Sheets & single span sheets to Valley Gutter

Issue B Issue A

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

BR10

Issue

C

Revised to comments December 2001 General Revisions November 2001

SpeedDeck Valley Gutter & Short Sheets

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

52


1

2

SpeedDeck vented filler block.

3

For curves <100 metres use 40/20/80/20/40 x 1.6mm inverted top hat on Isobar & rail with double clips. Use on natural curved roofs or smooth pre-curved roofs. At radii <20 metres, form top hat so that flats match roof slope At radii >100 metres use standard straight sheet eaves

4

Continuous Aluminium angle riveted to Speeddeck with 2 no. rivets per pan

5

Turndown 20° plus, necessary at any pitch to stiffen sheet end and improve run-off unless alternative detail used.

6

SD100 breather membrane (optional) drains over or under eaves flashing.

7

50mm solid WalkLiner airseal filler block, avoids draughts and energy loss. Fix WalkLiner through filler using 2 screws plus 15mm washer per pan to achieve best seal.

8

Stramcheck (optional) with all laps sealed and also sealed to upstands, penetrations etc. WalkLiner with sealed laps, drain at eaves if possible. Sealed to perimeters (Note WalkLiner laps sealed even if StramCheck membrane is used).

4

Alternative Eaves Detail for aluminium at any pitch and steel at pitch >20°

-3 125

m 00m

6

1 1

12

2 3 11

5

9 8 12

70 - 100

9

10 7

BASIC REQUIREMENTS Curved Roof Eaves

13 Construction Detail Factors, ref BRE IP17/01

SpeedDeck clip, fixed using screw provided via centre holes.

10

2 No screws per Isobar bracket.

11

Isobar Bracket & rail system

12

Quilt Insulation

13

Gutter Liner & Insulated Gutter

CGL Gutter Steel Gutter   W/mk  W/mk 

Surface temperature factor Linear thermal transmittance Typical Climate classes (BS EN 13788) Design air leakage rate m ³ /h/lin

1-4 0.6 m ³ /h/lin

1-3 0.6 m ³ /h/lin

Issue B Issue A

Scale

Copyright SpeedDeck Building Systems Limited 2002

Revised to comments December 2001 General Revisions November 2001

N.T.S.

Date

August 2007

Drawing No.

BR11

Issue

C

SpeedDeck Curved Eaves Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

Alternative eaves detail for aluminium at any pitch and steel at pitch >20°

1

SpeedDeck clip, fixed using screw provided via centre holes.

2

SpeedDeck vented filler block.

3

Overhang 125mm minimum, 300mm maximum. Clear overhang 70mm minimum, 100mm maximum.

Construction Detail Factors, ref BRE IP17/01 CGL Gutter Steel Gutter   W/mk  W/mk  1-4 1-3 0.6 m ³ /h/lin 0.6 m ³ /h/lin

Surface temperature factor Linear thermal transmittance Typical Climate classes (BS EN 13788) Design air leakage rate m ³ /h/lin

Alternative Eaves Detail

300 531 2

Continuous Aluminium angle riveted to Speeddeck with 2 no. rivets per pan (isolated with PVC tape if attached to steel SpeedDeck)

6

4 5

Turndown 20° plus, necessary at any pitch to stiffen sheet end and improve run-off unless alternative detail used.

6

SD100 breather membrane (optional) drains over or under eaves flashing.

7

1.6mm top hat spacer stool

8

Stramcheck vapour control layer with all laps sealed and also sealed to upstands, penetrations etc.

12 1

9

Pan Perforated WalkLiner

10

2 No screws per Isobar bracket.

11

Isobar Bracket & rail system

2 11

8

5

12

33kg/m³ semi-rigid Rockwool slabs

13

5mm EPDM self adhesive Thermal Isolation Tape 50mm wide

17 10 18 16 9 7

4

14

Gutter Liner & Insulated Gutter

15

0.7mm steel closer angles with lapped and sealed joints. Stagger joints to maximise air seal.

16

Vapour control Layer clamped between angles.

15

70 - 100

13

17

Acoustic Batts laid in pans of WalkLiner

18

Quilt Insulation

14

BASIC REQUIREMENTS SoundRoof Eaves

Issue B Issue A

Scale

Copyright SpeedDeck Building Systems Limited 2002

End of rigid insulation moved October 2004 Revised to comments December 2001

N.T.S.

Date

August 2007

Drawing No.

BR12

Issue

C

SpeedDeck SoundRoof Eaves Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

53


1

40mm down turn to flashing.

2

50mm deep galvanised steel zed support flashing. Flashing fixed to zed not to rib. Zed fixed to spacer using hex head screws, zed is NOT fixed through SpeedDeck. Compressible sealant strip 5x10mm nominal (Optional for use in exposed situations, if deemed necessary).

3

6

2

1

8

3

4

10

4

Starter clip adaptor fitted on SpeedDeck clip.

5

Pan perforated WalkLiner 0.65 / 0.7mm steel Bright white

6

Fixings ('Bulbtite' rivets or stainless steel screws plus washers) at 450mm max. centres.

7

Perimeter trim stitched @ 450mm ctrs. and sealed to vertical cladding liner using Butyl strip sealant.

8

Isobar Bracket & rail system

9

33kg/m³ semi-rigid Rockwool slabs

12

9

14

7

11

5

13

BASIC REQUIREMENTS SoundRoof Verge A Scale

Copyright SpeedDeck Building Systems Limited 2002

10

SD100 Breather Membrane (optional)

11

StramCheck vapour control layer (mandatory)

12

SD seal vapour control layer to 1.6mm galv. upstand (White Painted)

13

SpeedDeck acoustic batts with integral black tissue facing against perforations

14

1.6g. 31mm SpeedDeck top hat stools screwed to purlins to receive Isobar brackets

Revised to comments December 2001

N.T.S.

Date

August 2007

Drawing No.

BR13

Issue

B

SpeedDeck SoundRoof Verge Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

00mm min 125 - 3 m m 5 2 2

40mm down turn to flashing.

2

SpeedDeck vented filler block with ridge flashing fixed to every rib via filler block using Bulbtite rivets or stainless steel screws with sealing washers.

3

SpeedDeck clip.

4

Turn up of SpeedDeck pan to vertical.

5

Fixed point fixing; If pitch is <5°, SDS20 through male rib to clips or if pitch >5°, stainless steel hexagonal head screw plus washer in each pan.

7

5 10 4 5

1

3

1 11

6

12

7

9

8

13

14

6

Pan perforated WalkLiner 0.65 / 0.7mm steel Bright white Ridge Flashing

8

1.6g 31mm top hat stools screwed to purlins to receive Isobar brackets

9

Stramcheck vapour control layer continuous over ridge (mandatory).

10

SD100 breather membrane (optional) continuous over ridge

11

Isobar Bracket & rail system

12

33kg/m³ semi-rigid Rockwool slabs

13

Internal ridge closer.

14

SpeedDeck acoustic batts with integral black tissue facing against perforations laid in pans of WalkLiner, to continue over ridge.

Construction Detail Factors, ref BRE IP17/01 Surface temperature factor Linear thermal transmittance Typical Climate classes (BS EN 13788) Design air leakage rate m /h/lin

  W/mk 

tba

m ³/hr/lin

Issue B Issue A

BASIC REQUIREMENTS - SoundRoof Ridge

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

BR14

Issue

B

Revised to comments December 2001 General Revisions November 2001

SoundRoof Ridge Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

54


1020 21

40

38

21

40

57 23

6 67

48

23 60

255

255

255

Length - 14m maximum. GRP - SAB grade class 3, 2.40 kg/m², opal tint available. Cover - 1020mm (Nominal) Profile dimensions are nominal

'Shallow CurveLight' - Section through full profile ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

A

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

SDSCL01

Issue

B

Original Issue February 2006

Shallow CurveLight Profile

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

12

17 8

7

10

15

10

1

8

2

6

13

3

3

16 12

4

5

9

'CurveLight' cross section through full assembly at intermediate purlin

5

1

SpeedDeck Shallow Curvelight profile GRP rooflight SAB/3. 2.40 kg/m²

2

Half clip (Starter clip opposite direction of lay).

ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

150 1

50 1

3

75

14

4 12

6

ROOFLIGHTS - GRP lap onto GRP Note minimum 4° pitch at end lap.

GRP liner, typically SAA/1, lapped over metal liner. Weight 3kg/m² for straight and radii >70m 3.6kg/m² for radii <70m

10

Kerb - pre-curved to radius Poppy Red, 29/32mm Ø, stainless steel, self drilling & tapping screws.

13

Profiled rigid filler blocks.

14

6mm Ø butyl sealant in lap, dressed around profile.

15

18 x 4 U profile bead sealant placed on crown of kerb.

16

For non-fragility, one fixing per pan at intermediate supports, 2 per pan at end laps.

5

50mm x 0.8mm SD Seal foil/butyl tape sealed to edge of liner,

6

Isobar rail and bracket spacer.

7

4.5 x 10mm foam sealant tape between zed kerb and rib.

17

Crown fixings at intermediate supports, one fixing per pan at end-laps.

8

Poppy Red, 29/32mm Ø, stainless steel, self drilling & tapping screws. Ref - SDRLCVRED

18

CLEARTHERM 4mm polycarbonate sheet, bedded onto 9x3 butyl sealant on outer GRP ribs.

U value of this triple skin construction = 2.2 W/m²K It is the specifiers responsibility to ensure that a triple skin rooflight is satisfactory and complies with AD L2.

Copyright SpeedDeck Building Systems Limited 2002

9

StramLiner/WalkLiner

12

4

14

4

0.7mm bright white liner enamel finish rooflight closer notched over Isobar rails .

9

Scale

N.T.S.

Date

August 2007

Drawing No.

SDSCL02

Issue

B

A

Original Issue February 2006

Shallow CurveLight Assembly

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

55


1020mm 24

255

60

C/L Rib

255

255

255

24

1

4

60 160° 2

3 10 8 6

175 100

p kerb f sidela ation o Isobar rail) T ermin o nt o (to bear 1

2

1 3

4 2 5

7

GRP rooflight fixed through filler at end lap to spacer with 2 No. screws per pan (see note 4 below). Double filler block at end lap. Inner filler bedded with gungrade butyl sealant top and bottom, outer filler bedded on butyl strip to bottom and gungrade butyl to top.

3

SpeedDeck profile metal roof sheeting.

4

2 No. fixings per SpeedDeck pan at endlaps to fix GRP to Isobar, Poppy Red, 29/32mm Ø, stainless steel, self drilling and tapping screws, positioned over filler profile.

8

9

6

5

Isobar rail and bracket spacer.

6

Liner filler block bedded wuth gungrade butyl sealant top & bottom.

7

Foam filler fitted under spacer bar.

8

SAA/1 GRP liner profile 3kg/m² for straight and radii >70m 3.6kg/m² for radii = <70m

9

StramLiner/WalkLiner

10

CLEARTHERM 4mm polycarbonate sheet, bedded onto 9x3 butyl sealant on outer GRP ribs

ROOFLIGHTS - GRP bottom lap onto SpeedDeck Note minimum 4° pitch at end lap. U value of this triple skin construction = 2.2 W/m²K It is the specifiers responsibility to ensure that a triple skin rooflight is satisfactory and complies with AD L2.

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

SDSCL03

Issue

C

B Filler width corrected April 2006 A Original Issue February 2006

Shallow CurveLight Bottom End Lap

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

11

50

Seal side laps of Multivault sheets with 9 x 3mm mastic. 14

1

SAB/3 MultiVault outer skin

2

Zed kerb (powder coating optional).

3

EPDM tape between zed kerb and closer. SpeedDeck starter clip or half clip depending on direction of lay

4

1 5

Isobar rail and bracket.

6

0.7mm decorative white steel closer, notched around spacer. Poppy Red fastener, 5.5mm Ø stainless steel with 29/32mm Ø washer.

7 10 2

12 8 3

4

9

GRP liner to match liner profile, typically SAA/1, lapped over metal liner. 3kg/m² for straight and radii >70m 3.6kg/m² for radii <70m SD Seal 50x0.8mm foil/butyl tape to lap.

10

4.5x10mm foam sealant tape between kerb and Speeddeck rib.

11

Poppy Red Multivault fastener, 5.5mm Ø stainless steel with 29/32mm Ø washer (two each side per Multivault trough)

12

5.5mm Ø hex head general purpose screw Ref - SDIBSW

8

13

CLEARTHERM 4mm polycarbonate sheet, bedded onto 9 x 3mm butyl sealant on outer GRP ribs.

BASIC REQUIREMENTS - MultiVault Rooflight (site assembled) - Side Detail

14

High density filler blocks 50mm wide with 50mm base depth. Sealed along top with bead of clear silicon sealant.

5

13 6 7

9

ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

U value of this triple skin construction = 2.2 W/m²K It is the specifiers responsibility to ensure that a triple skin rooflight is satisfactory and complies with AD L2. If the roof radius is less than 70m, zed kerbs will need to be pre-curved. Please contact SpeedDeck for details.

Copyright SpeedDeck Building Systems Limited 2002

Issue B Scale

N.T.S.

Date

August 2007

Drawing No.

SDMV01

Issue

B

Filler base increased to 50mm

March 2006

MultiVault Triple Skin - Side Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

56


Seal 1

1

Multivault SAB/3 outer skin.

2

Multivault GRP end closure.

3

Metal flashing notched over SpeedDeck ribs.

4

Unvented filler block bedded in gun applied butyl mastic.

5

Foam filler fitted under spacer bar.

6

Isobar spacer.

7

GRP liner to match liner profile, typically SAA/1, lapped and sealed over metal liner. 3kg/m² for straight and radii >70m 3.6kg/m² for radii <70m

8

Zed kerb. Isolate kerb from aluminium using PVC tape.

2 GRP end closure riveted and sealed to metal flashing.

3

12

15

14

4 d on es of rooflight fixe Zed kerb to sid g SDIBSW screw. to Isobar rail usin

8 5 11

9

StramLiner/WalkLiner profile.

11

Cleartherm twinwall polycarbonate liner to form triple glazed rooflight. Bedded on butyl strip to outer ribs of liner profile.

12

Pre-curved SpeedDeck sheet below rooflights if SpeedDeck <10m long and roof radius < 100m.

13

1.5mm galvanised steel top hat, 30mm deep and 1600mm long.

14

1.5mm galvanised steel angle, 40mm x 1050mm. Downstand legs trimmed at ends to avoid SpeedDeck ribs.

15

SpeedDeck sheets below rooflights riveted together and to adjacent full length sheets.

7

6 10

9

13

GRP Liner U value of this triple skin construction = 2.2 W/m²K It is the specifiers responsibility to ensure that the rooflight is satisfactory and complies with AD L2.

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

SDMV02

Issue

B

6mm dia butyl seal.

10

MultiVault Bottom Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

Seal 1 2

12

3

4

GRP end closure riveted and sealed to metal flashing.

Zed kerb to sid es of rooflight fixe d on to Isobar rail usi ng SDIBSW screw .

1

Multivault SAB/3 outer skin.

2

Multivault GRP end closure.

3

Metal flashing under apron flashing

4

Unvented filler block bedded in gun applied butyl mastic.

5

Foam filler fitted under spacer bar.

6

Isobar spacer.

7

GRP liner to match liner profile, typically SAA/1, lapped and sealed over metal liner. 3kg/m² for straight and radii >70m 3.6kg/m² for radii <70m

8

Zed kerb. Isolate kerb from aluminium using PVC tape.

8

5

11

9

13

6

StramLiner/WalkLiner profile.

11

Cleartherm twinwall polycarbonate liner to form triple glazed rooflight. Bedded on butyl strip to outer ribs of liner profile.

12

Apron flashing, girth 1220 (40/1140/40), lap and seal onto GRP closer.

10 7

9

GRP Liner

6mm dia butyl seal.

10

13

1.5mm galvanised steel top hat, 30mm deep and 1600mm long.

U value of this triple skin construction = 2.2 W/m²K It is the specifiers responsibility to ensure that the rooflight is satisfactory and complies with AD L2.

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

SDMV03

Issue

B

MultiVault Top Detail

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

57


Direction of lay

1

Stitcher screws with washers at 300mm centres, in side of rib for standard GRP or top of rib if Safelight.

2

SpeedDeck profile GRP rooflight SAB/3. 1.83 kg/m²

3

Half clip (starter clip for opposite direction of lay).

4

0.7mm bright white liner enamel finish rooflight closer notched over rails.

5

3.0 kg/m² GRP liner to match WalkLiner profile, typically SAA/1, lapped over metal liner.

6

Seal edge of liner with 50mm x 0.8mm SD Seal foil/butyl tape. Stitched at 500mm centres on spans over 1800mm or as required. Optional Stramcheck sealed to liner with SD Seal.

7

Isobar rail and bracket spacer.

8

9mm Ø butyl seal within GRP/metal side lap.

9

Poppy Red, 29/32mm Ø, stainless steel, self drilling and tapping screws. Ref - SDRLCVRED

10

StramLiner/WalkLiner

8 1 2

3

7 4

9

6

10

5

Standard profile GRP Side Lap onto SpeedDeck ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

U value of this double skin construction = 3.13 W/m²K It is the specifiers responsibility to ensure that a double skin rooflight is satisfactory and complies with AD L2. For the details necessary to incorporate a third skin see either SDCL06 or SDSV05.

Copyright SpeedDeck Building Systems Limited 2002

Scale

N.T.S.

Date

August 2007

Drawing No.

SDPS01

Issue

B

A

Redrawn

March 2002

SpeedDeck Standard Profile Side Lap

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

125-300mm

Ridge Purlin

Key

SpeedDeck fixing clip 1 fixing per pan at intermediate purlin positions.

Standard SpeedDeck fixing clip cut in half. Starter clip adaptor fitted over standard SpeedDeck fixing clip.

Purlin

SpeedDeck fixing sequence ends with standard fixing clip cut in half.

Poppy Red, 29/32mm Ø, stainless steel, self drilling and tapping screws. Ref - SDRLCVRED

Min 150

Endlap

Stitcher screws at max. 300mm centres for GRP to metal Laplox fixings for ridge capping and flashings to GRP.

SpeedDeck fixing sequence recommences after rooflight with starter clip adaptor fitted over standard fixing clip.

Purlin

GRP-GRP or GRP-SpeedDeck

GRP sheeting 2 fixings per pan at end lap, eaves and ridge. End lap sealant 125-300mm

Purlin

Eaves 510mm SpeedDeck

75 25 25 30

75

1020mm Nominal Rooflight

510mm SpeedDeck

SpeedDeck Standard GRP Rooflight Fixing Pattern Plan ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

Endlap/Sidelap Detail

Copyright SpeedDeck Building Systems Limited 2002

A Scale

N.T.S.

Date

August 2007

Drawing No.

SDPS02

Issue

B

Redrawn

March 2002

SpeedDeck GRP Profile Fixing Pattern Plan

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

58


1020

3

3

1

GRP inner and outer roof light profile.

2

2 No. Poppy Red, 29/32mm Ø, stainless steel, self drilling and tapping screws per pan at end laps, eaves and ridge (1 No. elsewhere). Ref - SDRLCVRED

3

9mm Ø butyl sealant to side lap with stitcher screws/lap fixings at 300mm c/c.

4

0.7mm bright white liner enamel finish rooflight closer notched over rails.

5

SpeedDeck fixing sequence recommences. Starter clip adaptor fitted over standard SpeedDeck fixing clip.

6

SpeedDeck fixing sequence ends with standard SpeedDeck fixing clip cut in half.

7

50 x 0.8mm SD Seal foil/butyl tape.

1

Metal ridge capping notched over profile ribs.

2

Double profile filler blocks set on gungrade butyl mastic on each slope.

3

2 No. SDRLCVRED per pan set in between double row of fillers and concealed by ridge capping.

4

Isobar rail and bracket spacer.

5

Profiled GRP inner and outer sheets.

6

Profiled filler, sealed with gungrade butyl mastic to internal ridge capping.

2

6

5

1

4

4

7

Standard Profiled GRP cross section through full assembly ALWAYS USE SPEEDDECK SUPPLIED ACCESSORIES

nimum 150 mi 3

1

2

2

75

3

4

5

1

GRP profiles.

2

2 No. runs sealant.

3

2 No. SDRLCVRED per pan.

4

Foam filler fitted under spacer bar

5

Isobar rail and bracket spacer.

6

6mm Ø butyl sealant in lap, dressed around profile.

1

8

4

6

5

7

6

150

7

0.7mm white steel internal ridge flashing.

8

Laplox fixings to attach metal flashings to GRP ribs.

Standard Profiled GRP ridge capping detail Standard Profiled GRP bottom lap onto SpeedDeck Note minimum 5° pitch at end lap standard profile. U value of this double skin construction = 3.13 W/m²K It is the specifiers responsibility to ensure that a double skin rooflight is satisfactory and complies with AD L2. For the details necessary to incorporate a third skin see either SDCL07 or SDSV06.

Copyright SpeedDeck Building Systems Limited 2002

A

Scale

N.T.S.

Date

August 2007

Drawing No.

SDPS03

Issue

B

Redrawn

Mar 2002

SpeedDeck GRP Profile Assembly

SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions.

59


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Delivery and Handling SpeedDeck is installed by experienced roofing contractors recommended by SpeedDeck Building Systems Ltd.

Delivery and site-handling The SpeedDeck sheets are delivered in banded bundles with the top sheet carrying a label bearing

To assist in the installation, SpeedDeck provides

the BBA identification mark, including the certificate

a number of items designed to make installation

number. The maximum weight per bundle is one

easier and a smooth operation.

tonne. Bundles should be handled using lifting equipment with a spreader beam (supplied by

Documentation:- Every delivery is accompanied

SpeedDeck Building Systems Ltd only for the

by fixing and handling guides.

duration of delivery on loads over 13.6m long) with slings set at every lifting point on the spreader beam

Tools:- Also provided at delivery is a gauging

(nominally 2.5m apart). If storing at ground level on-

template and a notching template. These are

site, the sheets should be kept clear of the ground,

provided free of charge with extra templates

supported at 2m intervals and stacked with a slight

available for purchase. The gauging template

fall to shed rainwater.

enables the fixing gauge of 510+/-2mm to be achieved consistently and simply.

Note: Stucco aluminium will discolour if exposed to strong alkalis - i.e. cement, mortar, lime etc.

Checking:- A SpeedDeck self-check list is available to allow the roofing contractor’s supervisor to check

Loading out

the installation as it proceeds for items related to

on Roof

performance safety. This allows errors to be spotted and corrected during installation.

Load roof over main supports. Ensure frame will carry any point loading applied. Ensure

Method statements

that all the male ribs are facing in the direction of laying. This will prevent unnecessary handling and turning

Method statement documents are available on

around on the roof. The direction of laying should always

request from SpeedDeck Building Systems Ltd on

be into the prevailing wind where possible.

the following aspects of the use of SpeedDeck:-

Lifting beams and slings provided for the hoisting

• On site manufacture

operation are tested and have current safety

• Handling and storage of coil on site

certificates. Slings are regularly inspected for

• Hoisting/Lifting Equipment/Bundle

damage and their condition is recorded.

• Sizes Fixing and Handling Guide • SpeedDeck Sheet Removal and Replacement

Long straps, provided for naturally-curved SpeedDeck, should be used when hoisting bundles

COSHH COSHH health and safety data sheets on SpeedDeck components and accessories are available on

to the roof. Gently lower the bundles to allow them to take up the curvature. Individual sheets will fall naturally to the curvature.

request from SpeedDeck Building Systems Ltd.

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Installation How SpeedDeck works Templates for site notching of rib positions on ridge flashing.

All ridge and verge flashings are turned down in to the profile to deter vandalism and complete a three-barrier defence of sheet turn-up/filler block/flashing turn-down.

Ventilated ridge filler block (over sheet).

Sheet turned-up 90째 to prevent wind-driven water entering at ridge and verge locations.

Turn-down 20째 at the eaves to ensure water neither tracks back under the sheet or overshoots the gutter.

Turn-up/ turn-down tool.

SpeedDeck sheet.

Ventilated eaves filler block (under sheet).

Pre-curved sheets must be hoisted directly onto

The above is the minimum criteria for WalkLiner

the roof. Special beams and slings are provided by

to be regarded as non-fragile. Do not walk on

SpeedDeck, set to match the radius and sheet lengths.

0.4mm steel or 0.9mm aluminium StramLiner. WalkLiner (solid and perforated) is walkable up

2m x 50m StramCheck reinforced polythene rolls

to 1.8m multi-span.

and 1.6m x 100m SD100 rolls must be handled carefully to avoid puncturing and must not be

At spans over 1.8m, stitch StramLiner/ WalkLiner

stored on-end. For long-term storage, the rolls

laps at 500mm centres.

should be protected from ultraviolet light by remaining indoors or under non-translucent covers.

50mm air-seal solid filler blocks must be located

The polythene should be dry during installation.

beneath the StramLiner/ WalkLiner profile at details such as eaves, hips, valleys and ridges. These help

WalkLiner

to provide a high standard of airtightness and can be self-adhesive to the underside. StramLiner/

WalkLiner is provided in up to 1.5t to 2t bundles.

WalkLiner should be supported, sealed and stitched

The WalkLiner panels are installed to a gauge

to a firm ground at all side-abutments/verges and

of 1020mm (tolerance 1016-1024mm) to suit

at penetrations. At eaves and ridges, StramLiner/

SpeedDeck and rooflights if specified. All joints

WalkLiner should be fixed with two screws per pan

must be lapped and fixed to the roof purlins. Fix

to help compress the filler block under the profile

StramLiner/ WalkLiner with a minimum of one

and promote airtightness.

5.5mm diameter screw with 15mm minimum diameter washers per trough. Position screws at least 30mm from sheet ends in the 60mm end laps.

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Installation To check for missing or overlooked StramLiner/

End Lap .65 / .7 steel walkliner

WalkLiner filler blocks, inspect the roof from

60mm min

within the building during installation. Daylight at the eaves/ridge will indicate gaps. 30mm min

Side laps of StramLiner/WalkLiner panels are sealed with 50mm x 1.0mm butyl/foil SD Seal which has an adhesive specially formulated to be effective in typical cold site conditions. Wipe the liner surface before applying SD Seal. Apply pressure to SD Seal to give a good bond. Seal end

5x6mm butyl bead

1 No per pan generally 2 No per pan at ridge/eaves recommended to help maintain air seal

laps using 5x6mm butyl bead within the end laps. Any swarf or debris must be removed from the panels before the liner is covered where required with StramCheck, which should be laid with the slope and made continuous by lapping all joints by a minimum of 75mm and sealing with the 1.5x20mm butyl-strip sealant provided. The product comes in 2m x 50m rolls and should be laid continuously over ridges/hips and sealed to penetrations/abutments. StramCheck should preferably drain (externally) at eaves.

StramCheck

4 No screws, per sheet per purlin, minimum 30mm from end of sheet. 60mm end lap.

1020 +/- 4mm 50x1.0mm SD Seal foil/butyl strip. StramLiner/WalkLiner

Maximum IsoBar Bracket Distances 100mm

Stitcher screw/rivet with rubber sealing washer at 500mm ctrs on spans over 1.8m

Minimum fixing - 4 No 5.5mm diameter screws plus 15mm diameter sealed washer per sheet width.

Cantilever 300mm max

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Installation Pre-assembled starter clip on full SpeedDeck clip

SpeedDeck The pre-assembled starter clip is used at the beginning of a sequence of SpeedDeck, i.e. at verges and sides of rooflights. The dimension from the edge of the structure for the first rib is established and a straight line square to the eaves is determined. All starter clips are aligned using a string line or other straight edge. Clips should be a minimum of 100mm from the end of the IsoBar/ rail. The starter clip adaptor engages with the trailing female rib at the start of a roof area.

StramCheck should be installed to sag between StramLiner/WalkLiner ribs. If pulled taut, the

On curved roofs ensure that the 1st sheet is

IsoBar bracket depth should be increased by 30mm

plumb and true. Sheets out of plumb may not clip

to compensate for the reduced insulation void.

together. Every SpeedDeck rib must be secured

Note that if StramCheck is specified, the non-perforated StramLiner/ WalkLiner laps are still sealed, with SD Seal as before.

with a clip at every purlin/spacer.

IsoBar IsoBar is fixed through the StramLiner/ WalkLiner panels to the roof purlins with two hex head screws per bracket. The mineral wool quilt is packed tightly around and under the IsoBar spacer, leaving no gaps and made continuous over ridges/hips etc. The IsoBar bracket spacing is 1020mm maximum, or as specified to suit the loading design. The bracket screws must be appropriate to the purlin material type and thickness. Install an anti-sway bracket at 30m max intervals on each line of IsoBar. Insulation The full insulation and membrane construction should be continued over ridges and hips. Any gaps or omissions should be avoided. SD100 The SD100 breather membrane is installed down or across slope, as required, with minimum 150mm laps and detailed to drain externally at eaves. SD100 is identified by its light blue colour and printed SpeedDeck logo and comes in 1.6 x 100m rolls.

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Installation

Sheet preparation for Turn-up

Always use the screws provided by SpeedDeck,

Flatten shoulders of profile using a hammer

which have been designed and assessed for the purpose of clip-fixing. Be aware of the purlin thickness and request the correct screws. Shallow hexagonal-headed SDS20 screws require the use of the specific SDS20 sockets, supplied by SpeedDeck.

Trim to 450

Use a light touch in driving and do not over-run the screws - this wears the socket and risks stripping the thread. SDS20 screws are suitable for fixing

Turn-up at ridge/abutment

clips direct to IsoBar rails and steel up to 3mm thick. Consult SpeedDeck for screws for other applications (hot- rolled steel, fixing via thermal break pads, stainless steel screws, timber etc). The ridge end of a sheet is turned-up to vertical using the correct end of the tool supplied. The shoulders of the SpeedDeck rib profile must be hammered flat for 50mm from the sheet end and a 45째 section from the female rib snipped off. The turn-up end of the tool is inserted over the end of each pan and rotated through about 90째.

Turn-down at eaves

If carried out in-situ, there must be access for the tool to sit over the profile-end, otherwise the turn up must be formed before installation. The first SpeedDeck sheet is positioned over the fixing clips with the male rib (identified by its anticapillary groove) as the leading rib. The centre rib is engaged by applying foot pressure firmly over each clip but the trailing rib is kept loose at this stage. The ridge and eaves overhangs should be between 125mm and 300mm. Install vented filler blocks at the eaves, use only SpeedDeck Building Systems filler blocks. The next clip is inserted and engaged into the leading rib of the SpeedDeck sheet and positioned using the SpeedDeck gauging template. It is essential to use the template to position the clip correctly and achieve the gauge of 510mm +/-2mm.

Gauging template in use

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Installation sequence Starter clip Female rib

Note; If the roof contains rooflights the gauging of the liner and SpeedDeck must be co-ordinated.

Direction of lay

Direction of lay

Prevailing wind

Lay the liner at 1020mm centres to match the 510mm SpeedDeck gauging produced by the gauging template.

Direction of lay

The two slots are generally used on pre-curved SpeedDeck at tighter radii, to set out the clips in advance at 510mm centres. This facility can be used as an alternative method for using the gauging template.

SpeedDeck Gauging Template Direction of lay SpeedDeck Gauging Template

510mm +/- 2mm

Direction of lay

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Installation Fixed point fixings Fixed point below 5° - rib fixing to clip

<5°

Hip turn-up before covering

Fixed-point screws should be installed at the ridge and hip. At pitches of less than 5°, an SDS20 clip 25mm

Rib fixing below 5°

screw is installed through the male rib into the clip and covered by the female rib. At pitches over 5°, a hexagonal-headed screw with a bonded washer is installed into the ridge spacer in the centre of each pan. It should be positioned to be

Pan fixing above 5° 40mm turn-down notches over rib using notching template

hidden by a ridge flashing where possible. For curved and bow-over roofs, an SDS20 screw is

00mm

125 - 3

installed through the male rib into the clip at the three apex purlins and covered by the female rib. The end of a sheet must be turned down by 20° at eaves/valley, using the correct end of the tool

Fixed point above 5° - pan fixing

supplied, even on a 1° pitch roof. This permits good

>5°

water run-off, prevents run-back under the sheet and laterally stiffens the pan. As an alternative, and recommended for curved roofs, install an angle drip under the eaves,

Full SpeedDeck clip

riveted to each pan with 2 No. Rivets. Refer to Construction Detail BRO2. Butt the aluminium angle at eaves positions where sheet lengths change. A turn-down or eaves angle must be carried out to all sheets, irrespective of pitch. For additional security, the interlocking ribs can be

SpeedDeck half clip Continuous spacer under valley

Raking edge of valley turned down

riveted together through the side of the rib head, 25mm from the sheet end at eaves/valley positions. Every rib at a sloping valley, where the

Once the clips are secured using the screws supplied, the trailing edge of the sheet is engaged and the next sheet installed. Engage overlapping ribs by walking the ribs together. This procedure is continued until the roof is covered.

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SpeedDeck has been raking cut, must be secured with a half clip, fixed with two screws to a continuous spacer. The raking edge should be cut with a nibbler or tin snips and, turned-down. A grinder must never be used.

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Installation Steel SpeedDeck sheets are factory-protected at

Typical verge

all sheet sides and ends. Site-cut valleys should be painted using Beckers clear lacquer, available from SpeedDeck. The raking edge of SpeedDeck at a hip must be turned-up. A raking-hip turn-up tool is available on hire from SpeedDeck for this purpose. At hips, a sealed-washer hex-head screw can be used instead of a clip to secure the sheet in the pan under the hip-cap to a continuous spacer. A notching template should be fabricated onsite to allow notches to be marked consistently

Leading edge securement

and accurately. This can take a similar form to the notching template for ridges, available from SpeedDeck. Single-span areas (detail BR09) should be crown-fixed using stainless steel screws plus sealed washers to the clips in interlocking ribs for additional security. This includes short sheet overhangs, parts of valleys and parts of hips. If raking valleys or hips are cut at an angle sharper than 45°, resulting in longer raking edges, the raking edges should be pan-fixed using stainless steel screws plus sealed washers at maximum 450mm centres. At a verge detail, the verge zed should not be placed on top of and fixed through the SpeedDeck because of a conflict with thermal expansion. The verge zed should sit alongside a rib or longitudinal turn-up to carry the flashing. This is particularly important with aluminium flashings to allow for thermal movement. The

At the end of a day’s work the leading edge of

verge flashings should not be stitched to the

SpeedDeck must be made secure as a temporary

SpeedDeck ribs.

measure. Install a SpeedDeck clip over the male

Only the SpeedDeck ribs should be walked on, to maintain the appearance of all SpeedDeck materials. Protective boarding should be used in regular access areas and any area where work is carried out at flashings etc. SpeedDeck accepts installation traffic, but regular or heavy trafficking can lead to a diminution in appearance.

rib and remove when installation recommences. Keep the clips separate and re-use only for securing SpeedDeck at the end of a day’s work, do not re-use these clips as primary SpeedDeck clips. • Use boarding where a roof is to be regularly trafficked. • Keep other trades off the roof. • Walk on ribs wherever possible. • Work off boards if working at one location for a while on aluminium. • Points of access to the roof can be the worst affected and should be protected.

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Installation SpeedDeck external checks

Naturally-curved and smooth

for performance safety.

pre-curved SpeedDeck

(refer to Check Sheet)

Naturally-curved and smooth-curved SpeedDeck

• The engagement of laps and ribs on clips must be checked by sighting across the ribs in the direction of laying; any non-engaged laps will be obvious. All ribs should be walked on to ensure that sheets are fully engaged on the clips. • Check that eaves turn-down-angle has been provided. • Check that starter clips and half clips are included where appropriate. • Check that ridge flashings are fixed to every rib. • Check that valleys are secure. To assist the installer in self-checking during construction, the checklist can be used.

SpeedDeck sheet replacement It is possible to remove and replace damaged straight SpeedDeck sheets. This operation must be carried out with care by the roofing contractor with appropriate attention to safe working procedures. A method statement is available from SpeedDeck, giving guidance on the removal and replacement procedure for SpeedDeck sheets.

are installed in the same way as straight SpeedDeck, maintaining the simplicity of installation. Additional general guidance is given below relating to the installation of naturally or smooth pre-curved steel or aluminium SpeedDeck. 1. Use double clips supported on a 20mm deep inverted top hat spacer or ledger plate at the eaves purlin, supported by an IsoBar spacer 20mm shorter than used over the general roof area. Use IsoBar bracket at 510mm centres. 2. Use the gauging template to set out SpeedDeck. On tighter radii clips can be laid ahead of SpeedDeck using the slots in the gauging template. Contact SpeedDeck for details. 3. WalkLiner will curve to the same radius as natural curve SpeedDeck. 4. Purlin top flanges should match the pitch of the roof at the purlin location to reduce the risk of marking. 5. Keep foot traffic to a minimum and walk on ribs wherever possible. This keeps foot marking at purlins to a minimum. Protect from following trades. 6. Provide SDS20 screws through the male rib

If the SpeedDeck sheets are to be re-used,

to the clips at the two/three apex purlins as a

removal should be done carefully so that the ribs

fixed-point fixing. On a ridge-to-eaves curve,

are not distorted.

SpeedDeck is fixed in the pan at the ridge using sealer washer screws.

The clips should always be replaced in case of

7. Work off boarding for flashings/ penetrations.

damage or distortion to the clips.

8. Natural curving of roofing profiles involves a profile manufactured flat being laid to the

The gauging of reinstated or new SpeedDeck

structure radius on site. This induces stresses

should be maintained between 508 and 512mm.

into the flat pan and any roofing profile,

After replacement, checks should be made to ensure that laps are fully engaged, the sheets are fully locked into the clips and ancillary items such as filler blocks/ridge etc. are completely reinstated. Reused SpeedDeck sheets should be riveted together through the interlocking rib sides 25mm from the sheet end. (refer to SpeedDeck for information on replacement of curved sheets).

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SpeedDeck or others, can show oil-canning or the substructure shadowing through due to this and foot traffic. These effects are not detrimental and are rarely visible or commented on from ground level. 9. Ensure that the first sheet is set out true and plumb. Curved sheets out of plumb (ie. where the apex is perhaps aligned infront of the eaves) may not clip together properly.

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Setting Out Tolerances

Tolerances These tolerances are intended to help achieve a roof giving optimum performance and appearance and apply to both the structure and to SpeedDeck. Exceeding the tolerances may lead to impaired performance and/or surface blemishes. Refer to Steel Construction Institute (SCI) document P346, “Best practice for the specification and installation of metal cladding and secondary steelwork”, section 4.4 Erection tolerances for purlins and side rails, y=+L/180 or10mm; -L/180 or -5mm. Element

Tolerances

Purlin levels (a)

+L/180 or 10mm,

-L/360 or 5mm

Purlin slope (c)

+ / -1°

Clip spacing (b)

510mm+/-2mm

Clip alignment to rib + / -2°

+ L/180 or 10mm

L

Purlin butt/lap joints Step 10mm max

(double-skin roof).

Step 5mm max

(single-skin roof).

Structural purlin

L/300 under dead

deflection

plus imposed loads

- L/360 or 5mm

L

Notes a) Choose the smaller value, positive = above design level, negative = below design level, L = purlin spacing. Tolerance is in the level of a purlin relative to the purlins either side. b) The incorrect spacing of clips can affect attachment strength. c) Even at very low slopes, the purlin, or spacer top flat, must match the slope. d) On curved roofs, the spacer/purlin flats must match the slope at that point. Any errors in purlin level tend to show up more on curved roofs. Tolerances on profile shape and size conform with the MCRMA guide. Refer also to MCRMA guide No 3 ‘Secret-Fix Roofing’ for further guidance on tolerances.

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Checklist Check list for liner / spacer / insulation

3

Steel WalkLiner fixed using 5.5mm diameter screws plus 15mm diameter bonded washer at 4 No per sheet width. 60mm min end lap, 8 screws per sheet at hip or valleys (WalkLiner is non-fragile Class B to ACR [M]001:2000) 2 screws per IsoBar bracket IsoBar brackets at 1020/765mm max centres, sway brackets installed at each end of a run and at max 30m between (510mm centres at eaves of curved roofs) Liner side laps sealed using SD Seal, end laps sealed using 6x5mm butyl bead Liner 50mm air-seal under-profile fillers installed at eaves, ridge, hip valley, 2 screws per pan Liner sealed and stitched to all perimeters StramCheck sealed, 75mm laps, sealed at roof edges, perimeters, penetrations etc Insulation continuous/dry/no gaps, tucked under and around spacer (including at ridges/hips etc) If rooflights are to be installed, note need to align liner and SpeedDeck® ribs Rooflight liner 3.0kg/m2 (3.6 kg/m2 if R<70m). Fixed using 30mm sealed washers, 8 per sheet at end laps, 4 per sheet at intermediate support (non-fragile Class B to ACR [M]001:2000)

SpeedDeck® check list Starter clips on full SpeedDeck clips at start of roof areas? (at verge, R/L etc.) 1/2 clips at end of SpeedDeck areas? (i.e. verge, R/L etc.) 2 scews per SD clip (4 for timber) using screws supplied by SpeedDeck Double clip at eaves (curved roofs only) SpeedDeck gauging template being used SpeedDeck cantilever 125-300mm from centre of clip (at either end of sheet) 1/2 clips used at every rib on valleys, valleys securely fixed Pan fixing at hip Eaves/valley turn down 20° or angle trim fixed under eaves, 2 rivets per pan Ribs fully engaged together, rib to rib Ribs locked onto clip Ridge cap fixed to every rib Fixed point fixing at ridge/hip/apex (of curved roof) Short sheets (single spans) screw fixed SD100 breather, 150mm laps 70-100mm clear SpeedDeck overhang at eaves Turn-up at ridge/hip 40mm down turn leg to all flashings Verge flashing fixed to verge zed at 450mm max. cts, not to SpeedDeck rib Verge zed fixed direct to spacer rail, not through SD sheet

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After Care Panel Maintenance, Repair and Replacement

Panel Replacement

Panels are carefully packed and checked to

replaced following the procedure described below.

ensure good condition on delivery. If a panel

At least 4 fixers are needed to handle two panels

is damaged during installation or in service,

at a time in safety. Refer to detail VIT 120/15.

replacement or in-situ repairs are possible. Installed panels should be protected from damage by other trades. Bottom row panels should be protected by covering with ply or similar boarding. Ideally the lower panels will be protected in service by barriers of some form.

Maintenance Panels require minimal maintenance beyond

Panels that are damaged beyond repair can be

• A replacement panel, 50mm wide repair brackets, 15mm x 19mm PVC air seal, vertical joint insulation strip and a narrow extension nose piece or socket for the screw gun are needed. • Remove vertical gasket to either side of the damaged panel. • Cut out the damaged panel taking care not to damage adjacent panels. • Undo the brackets to the panel below and

cleansing to maintain appearance.

replace with the repair brackets. Note: these

Minor damage to the coating can be made good

amount to allow the screws to be inserted via

by touching in scratches using colour matched touch-up paint applied along the line of a scratch using an artist’s paintbrush. The paint will be airdrying and while the same colour reference, will not blend in invisibly.

should oversail the panel by a sufficient the vertical joint. Hold panel in place. • Check the air seal for damage and replace if necessary. • Tilt the lower panel out and offer up the replacement panel. Engage the top joint first, then the lower joint as it sticks outwards, and

Repairs to major damage or professional repairs to minor scratches can be carried out by a specialist company. Contact SpeedDeck for details.

then rotate the panels into position. • Insert new insulation strip into the vertical joint. Reinstate the vertical gasket. • Insert the bracket screws via the vertical joint.

Washing to restore appearance or remove

The screw gun drive bit will need to be narrow

stains should be carried out by suitably trained

enough to access the screws via the 10mm

personnel with safe access, using soft cloths/

vertical joint gap. Pre-drilling the screw holes

brushes and water containing a mild detergent.

may assist in driving the screws.

The area should then be rinsed using clean water. Care must be taken not to damage paint surfaces.

Repair Damaged panels can be repaired on-site by specialist companies. Contact SpeedDeck for contact details.

SpeedDeck is committed to the environment. Please think before you print.

eleco.com/speeddeck

74


References Other documentation available to support the

• Method statements for all methods of on-

use of SpeedDeck Building Systems products

site rolling of SpeedDeck and SpeedZip are

are listed below. Some items do not apply to all products, check with SpeedDeck.

available on request. • SpeedDeck, SpeedZip, SpeedRoof and PP32 twin skin constructions have LPCB approval

Product Updates (PUN), downloads (literature and

(certificates ref No 738a/01-03), see www.

CAD details) and other news can be found at www. eleco.com/speeddeck.

brecertification.co.uk/WebRedBook • SpeedDeck and SpeedZip have British Board of Agrément certificate 96/3262.

• Guarantees

- Latent Defect insured guarantee: SpeedDeck

• SpeedDeck has held Agrément certification

is a member of AWM and able to offer the

since 1986. Download a copy from www.eleco.

QA+ Pioneer 10 year guarantee on design,

com/speeddeck.

materials and installation. Information on

• Agrément Certificates

conditions, premiums, design and site audits

- Alcoa 87/1964, coatings on aluminium.

is available from SpeedDeck and AWM.

- Dobel 93/2973, coatings on steel.

- Euramax 93/2922, coatings on aluminium.

- HPS200, coatings on steel.

- Material guarantee: A guarantee on the paint finish for up to 40 years, dependant on material type and supplier, is available subject to an application questionnaire. Any guarantees must be set up at order stage.

• SpeedDeck Building Systems is a member of the MCRMA (Metal Cladding and Roofing Manufacturers Association). Industry news, technical papers on all aspects of metal roofing and cladding and construction details are available from www.mcrma.co.uk.

SpeedDeck Buildings Systems is a Planet Positive company. We carbon offset our business carbon footprint by 110%. Customers can choose to specify Planet Positive roof and wall systems from SpeedDeck, this must be initiated at the specification/quotation. SpeedDeck can also offer Corus Confidex Sustain systems.

• Draft specifications for most constructions are available on request. • SpeedDeck Designer 4 is free issue design software for SpeedDeck secret fix roofing. Designer 4 enables a roof system to be selected, checked in terms of wind loadings, spans, condensation risk, rainwater goods, and produces a bespoke draft specification plus design output report. Contact SpeedDeck for a copy.

75

speeddeck@eleco.com

SpeedDeck is committed to the environment. Please think before you print.


tel: +44(0)1379 788166 fax: +44(0) 1379 788161 email:speeddeck@eleco.com www.speeddeck.com SpeedDeck Building Systems Limited, Oaksmere Business Park, Yaxley, Eye, Suffolk IP23 8BW SpeedDeck Building Systems Limited reserves the right to make substitutions and modifications to the specifications of any of its products without prior notice. It is the customer’s responsibility to ensure that the Company’s products are correctly installed and that they are suitable for the customer’s particular requirements and application. The Company undertakes business only upon its standard terms and conditions. SpeedDeck Building Systems Limited is an Eleco plc Company. SpeedDeck,® Vitesse, PP32, IsoBar,® Elan WalkLiner,® SpeedRoof ®and SpeedZip® are registered trademarks of SpeedDeck Building Systems Limited.

August 2011

SpeedDeck Secret Fix Roofing System - Technical Brochure  

Technical brochure for the SpeedDeck Secret Fix Roofing Systems manufactured in a range of differing materials, for a large array on metal r...

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