DAYLIGHTING Magazine issue 17 July/August 2019

Issue 17 July/August 2019

IN THIS ISSUE:

DAYLIGHT & ENERGY SAVING

• GRP ROOFLIGHTS • DAYLIGHTING IN RESIDENTIAL BUILDINGS • INDUSTRY NEWS • PROJECTS AND MORE

The rooflighting resource NEW WEBSITE

www.narm.org.uk • Technical Information • CPD materials • Case studies • Manufacturer listings • News & articles • Rooflight gallery • Membership criteria

BOOK OUR CPD SEMINAR

THE TRADE ASSOCIATION REPRESENTING LEADING UK ROOFLIGHT SUPPLIERS

CONTENTS

REGULARS

FEATURES

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Walk-on rooflights deliver daylight plus design flexibility at a modern residential property in Brentwood, Essex.

Editor’s Comment

Industry News

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New Projects

DAYLIGHTING is published by: Bennett & Partners Pure Offices Lake View House Tournament Fields Warwick CV34 6RG United Kingdom TEL: +44 (0)1295 711666

Daylighting in Residential Properties

EDITOR Paul Bennett paul@daylightingmag.co.uk Tel: 01295 711666 Mobile: 07900 895110 AD SALES adsales@bennettand partners.co.uk Tel: 01295 711666

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GRP Rooflights

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NARM Daylight Diary Updates from the UK’s influential trade association for rooflight manufacturers

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Daylighting Icons King’s Cross Station, London

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DESIGN/PRODUCTION production@bennettand partners.co.uk Tel: 01295 711666

NARM, the National Association of Rooflight Manufacturers raises concerns that some imported profiled GRP rooflights are failing to meet UK safety standards.

WEBSITE www.daylightingmag.co.uk

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Daylight and Energy Saving Dr Soha Hirbod, Building Energy Analyst at Kingspan Light + Air, sheds light on daylighting solutions and how embracing natural light from design stage can help to save energy and ultimately reduce costs.

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Twitterings What’s trending on social media?

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More about DAYLIGHTING Magazine Back issues & media information

www.daylightingmag.co.uk

Andy Swift, Sales and Operations Manager at Iso Chemie explains how architects who adopt new approaches to sealing specification can improve energy efficiency around window and door installations. 32

CIRCULATION Daylighting is available by email, free of charge to subscribers, by logging on at www.daylightingmag.co.uk Free access is also available via our website and social media. Average impressions per issue are approximately 5,900, however this varies according to social media activity. Our readership is predominantly UK architects, specifiers, contractors, consultants and roofing professionals. Full details are available on our website. www.daylightingmag.co.uk While every effort is made to ensure the accuracy of content, the publisher does not accept liability for errors. The views expressed by contributors are not necessarily those of the editor or publisher.

This publication contains editorial photographs which may have been supplied and paid for by suppliers. Full terms and conditions can be found on our website.

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ENGINEERING

THE UK’S TRUSTED DAYLIGHTING & VENTILATION SPECIALIST • Preferred supplier to leading architects, engineers & contractors • Multi-sector expertise • Design, manufacture, installation, servicing • All relevant accreditations & affiliations • RIBA CPD Providers Network member • Nationwide sales & support

Head Office: 01506 448140 Midlands Centre: 01788 579307 E: info@lareineengineering.com www.lareineengineering.com

EDITOR’S COMMENT

Feeling the heat..

2019 is shaping up to be one of, if not the hottest year since records began. More proof if we needed it, that global warming is real – and a growing threat to communities and habitats across the globe.

With increasing temperatures come rising sea levels and extreme weather events with which we are all becoming familiar.

It’s true to say that there is a growing awareness of the effects of global warming and an increasing determination, particulaurly among the young, to find ways to tackle it.

However, concern remains that actions being taken now are too little and potentially too late to avoid irreversible damage to our environment.

In many countries, the UK included, the political focus and leverage required to achieve change has been diverted by comparitively insignificant local squabbles and power struggles.

UN Secretary-General António Guterres will host the 2019 Climate Action Summit on 23 September to meet the climate challenge. The

Summit will ‘showcase a leap in collective national political ambition and it will demonstrate massive movements in the real economy in support of the agenda’. It’s hoped that these developments will send strong market and political signals and inject momentum in the ‘race to the top’ among countries, companies, cities and civil society that is needed to achieve the objectives of the Paris Agreement and the Sustainable Development Goals. The world will be watching with interest.

Paul Bennett paul@daylightingmag.co.uk

To date, the environmental lobby has focused on emissions from power generation and transport. There is growing support for renewable energy schemes and new technologies, but perhaps less awareness of innovation directed towards a reduction in the need for man-made energy - from renewable sources or otherwise.

Daylighting is a case in point.

This issue of Daylighting Magazine carries two articles looking at this important issue from different angles – and we’ll be continuing to ‘bang the sustainability drum’ in future issues.

Issue 16 May/June 2019

Don’t forget, back issues are always available to read on-line at daylightingmag.co.uk

Issue 6 September/October 2017

DESIGN & TECHNOLOGY FOR BETTER BUILDINGS

IN THIS ISSUE:

DYNAMIC SHADING

AND OTHER WAYS TO COMBAT EXCESSIVE HEAT & GLARE • 5 REASONS TO AVOID UNDER-SPEC ROOFLIGHTS • DAYLIGHTING IN MUSEUMS & PUBLIC SPACES • ROOF SAFETY • PROJECT NEWS AND MORE

Previous issues of DAYLIGHTING Magazine will be available on-line indefinitely. So you can refer back to old issues whenever you like.

It’s also on our ‘to-do’ list to set up a features index, so if you can’t remember in which issue you read that fascinating feature about XYZ, you’ll be able to find it in a moment.

IN THIS ISSUE:

Daylighting for dramatic effect RETAIL SECTOR REFURBISHMENT & ENERGY SAVING MODULAR ROOFLIGHTS AND MORE

www.daylightingmag.co.uk

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INDUSTRY NEWS

New Government’s Commitment to Infrastructure Delivery Will Be ‘Vital to Construction Industry Fortunes’ of construction activity remain high in the Midlands, the North West as well as Yorkshire and the Humber, whilst declines in activity can be found in key regions such as London, the South East and parts of the East of England.

Output for Britain’s construction industry is expected to be less than previously forecast over the next three years given concerns around government’s ability to deliver on major infrastructure projects. The Construction Products Association’s (CPA) Summer Forecast for 2019-2021 anticipates a 0.3% decline in total construction output for 2019, in line with previous projections, but the forecasts for 2020 and 2021 have been revised down to 1.0% and 1.4% from 1.4% and 1.7% respectively since the Spring.

The CPA Summer Forecast, which provides a comprehensive analysis of the drivers of construction activity across thirty industry sectors, identifies the infrastructure sector as a main driver of growth and vital to the fortunes of the construction industry in the next few years.

Total construction output would fall by 1.7% in 2019 and experience no growth up until

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2021 without the delivery of major infrastructure projects, which have been put into further doubt given the new Prime Minister Boris Johnson’s commitment to initiate a review of HS2.

High-profile projects such as the Thames Tideway Tunnel, High Speed Rail and Hinkley Point C are expected to drive activity in the infrastructure sector as well as the new five-year regulatory periods in the water & sewerage, rail and roads sub-sectors. After almost a decade of austerity, local authority funding will also prove important to activity on roads. The CPA Forecast expects delays to these projects to pose a major risk to the sector and, in turn, put the fortunes of the wider construction industry into question.

While the overall figure for construction output signals growth, it also masks a high degree of variation across regions, sectors and sub-sectors. Levels

On a sectoral basis, activity levels remain high in private and public housing, industrial warehouses and infrastructure.

Sub-sectors such as commercial offices, commercial retail and industrial factories continue to endure falls in activity, however, mainly due to investor sentiment being impacted by the continued economic and political uncertainty surrounding Brexit.

Noble Francis, Economics Director at the Construction Products Association, said: “Construction output in some key sectors has already been badly affected by Brexit uncertainty over the past 18 months and when you add in rising concern about government delivery of major infrastructure, it is a highly uncertain time for the construction industry.

Activity on the ground, overall, still remains at a high level after rising by 28% between 2012 and 2017. However, output growth slowed to only 0.3% in 2018 and we forecast that construction output will fall by 0.3% in 2019 before growth of only 1.0% next year, even with a smooth Brexit and with government delivery of infrastructure projects”. www.constructionproducts. org.uk

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INDUSTRY NEWS

Record low in construction industry deaths Construction deaths fell to their lowest level on record in 2018/19.

Latest statistics from the Health and Safety Executive show that 30 construction workers were killed during the period.

This figure is down on the fiveyear annual average figure of 36 deaths. It is the lowest since modern records begun back in 1981.

high as the average rate across all industries, is considerably less than that of either Agriculture, forestry and fishing or Waste and recycling, despite accounting for a greater number of cases than these sectors.

Construction is still responsible as a sector for the second highest number of workplace deaths behind agriculture, forestry and fishing.

HSE Chair Martin Temple said: “Today’s release of workplace fatality statistics is a reminder that despite the UK’s world leading position in health and safety, we cannot become complacent as we seek to fulfil our mission in preventing injury, ill health and death at work.”

The fatal injury rate in construction also fell to 1.31 per 100,000. This rate, while around 4 times as

The full report is available at http://www.hse.gov.uk/statistics/ pdf/fatalinjuries.pdf

Output recovers following two months of declines UK construction output has recovered slightly after two consecutive months of declines, according to the latest official figures.

Output rose by 0.6% month on month in May this year, following successive drops in March and April, the Office for National Statistics (ONS) said. The increase was driven by growth in both new work and repair and maintenance, which grew by 0.4% and 1.2% respectively.

Output growth was flat (0%) in the most recent three-month period compared with the three months prior, reflecting weakness in March and April, which saw declines of 1.5% and 0.5% respectively.

Over the three-month period,

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there was a mixed pattern of rises and falls across the construction sector. Repair and maintenance saw a slight decline of 0.5%, while new work grew by 0.3%. In repair and maintenance, declines were driven by housing repair and maintenance, with private and public housing repair and maintenance being down by 2.5% and 3.2% respectively.

This was slightly offset by a 1.7% growth in non-housing repair and maintenance.

The growth in new work was driven by public housing and private commercial new work, which grew by 8.4% and 2.2%, with a smaller contribution from a 1.3% increase in infrastructure new work.

Philip Fergusson Joins Roofglaze Rooflights as Head of Sales

The Roofglaze Group is pleased to welcome Philip Fergusson in his new role of Head of Sales for Roofglaze Rooflights Ltd. Philip will play an instrumental role in optimising the product and service offering that we provide, ensuring that both new and existing customers receive the best possible experience when they work with Roofglaze.

For over 30 years, Philip has been a key player in the UK roofing sector. His career to date has seen him achieve huge success, first as Commercial Director at Asphaltic Roofing Supplies and later as the Commercial Director of SIG’s roofing division, Vice President of Fosroc, President of JMH Merlin and Sales Director of SSQ Natural Slates. In October 2017 he set up National Construction Training Services (NCTS), a training academy dedicated to training roofers across the UK. www.roofglaze.co.uk

www.ons.gov.uk

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INDUSTRY NEWS

Online knowledge database for BIM launched “A vital part of this process is connecting the people and organisations who are embracing a digital, data-centred, collaborative approach to practical, clear, and accessible information. This is why Designing Buildings Wiki and the free resource it represents is so valuable. I believe that the BIM Wiki will play a hugely important role in our continued digital journey.”

A free, open access knowledge sharing platform for BIM has been launched to help integrate the process into the wider industry.

The wiki site, BIM Wiki, has been developed by built environment consultant PCSG and online resource Designing Buildings Wiki.

It launches with more than 150 articles already written, covering everything from Employer’s Information Requirements to parametric modelling, and includes a detailed step-by-step guide to BIM Level 2.

Its creators are calling on the industry to help develop the site into a comprehensive source of BIM best practice by contributing new articles and engaging with the existing content.

BIM Wiki has been launched in response to research published

by Designing Buildings Wiki in 2017 that showed BIM remains an isolated subject, the domain

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of expert practitioners and not well integrated into the rest of the industry.

This was confirmed by the recent NBS National BIM Report, which pointed to the emergence of a “two-speed industry”, with 22% of those yet to use BIM saying they would rather not adopt it at all.

PCSG chairman Mark Bew said: “From our work around the globe it is clear that the UK’s progress to becoming a true digital economy for the built environment has made a fantastic start. The legacy of the 2011 Construction Strategy created a firm understanding of the scope and opportunity for change in the industry. Level 2 BIM has now been adopted around the world, and many nations are accelerating their uptake with the release of ISO 19650.

“However, there is still much to be learnt, shared, and adopted before we can truly say we are ready for the next stage of this journey.

BIM Wiki is linked to Designing Building Wiki’s 8,500 articles and accessible by its 6.5 million users.

It is hoped this integration with an established and well-respected industry knowledge base will help take BIM processes beyond the realm of specialists.

Gregor Harvie, director of Designing Buildings Wiki, said: “The discipline that BIM processes impose on the industry needs to become a normal part of every project, not an optional extra.

Having a common understanding and a common language is crucial to achieving this. What we are launching today is just the start, we are calling on the BIM community to engage with BIM Wiki, to add to and improve it, to debunk BIM myths and create a truly-comprehensive knowledge base that is fully integrated into the wider industry.”

You can see BIM Wiki at www. designingbuildings.co.uk/BIM_ Wiki To create an article, just click the orange “Create an article” button, and to add it to BIM Wiki, tick the “BIM” category at the end.

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INDUSTRY NEWS

Highlighting changes in rooflight specification responsible for communicating the BREEAM attainment achievable via Zenon rooflights to the specification sector.

William McDowell

Architects have a new source to optimise use of energy efficient daylighting resources within their building design.

Hambleside Danelaw, one of the UK’s leading manufacturers of linear rooflights, has appointed William McDowell as National Business Development Manager- Rooflights.

William brings more than 35 years’ sales and technical experience in helping specifiers achieve efficient solutions to form the building envelope.

He will be primarily be

William says: “Zenon branded rooflights are currently the only GRP rooflights in the UK to have attained an Environmental Product Declaration. They are therefore the only rooflight that can definitively prove that they make a positive contribution towards BREEAM attainment, on several levels. It is an exciting time to join Hambleside Danelaw, to take this unique, new solution to market.”

Ian Weakford, Hambleside Danelaw Sales Director, adds: “Zenon’s contribution to BREEAM is a major advancement in building facade design and construction. William, with his sales and technical skillset, will be a great ‘fit’ in communicating and developing the potential for rooflights within industrial, commercial and public buildings.” www.hambleside-danelaw.co.uk

New communicate representative on NE Young Architectural Practitioners Forum’s committee Hannah Darmody, a 33-year-old architect at Toffee Factory-based Pod Newcastle, has been appointed as the communicate representative on the North East Young Architectural Practitioners Forum’s committee.

Established by RIBA North East, the Forum aims to support architects in their first eight years of qualification, helping them build networks across the profession and raise the profile of architecture in the region. Twitter - @RIBANorthEast

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‘Team Filon’ takes part in The Race for Life - complete with tutus!

In support of their colleague Carol, a team from GRP rooflight manufacturer Filon Products took part in Cancer Research UK’s 5k Race for Life at Sutton Park on 23rd June.

To encourage maximum interest and sponsorship, the team agreed to wear pink t-shirts and tutus for the event and this strategy resulted in a large number of sponsors donating – not only in support of a very worthy cause, but also to enjoy the sight of a number of male team members wearing skirts, including Managing Director Steve Vickers (pictured).

To date, the Company has raised £2,470.00 plus £462.51 in gift aid and sends sincere thanks to all sponsors.

There is still time to sponsor on-line. Any contributions will be gratefully received. https://fundraise. cancerresearchuk.org/team/ filon

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INDUSTRY NEWS

Homeowners urged to enter competition to find the best daylight filled loft conversion Roof window manufacturer VELUX® wants to hear from homeowners across the UK and Ireland who have transformed their loft with the best use of daylight to create a light, bright space in their home.

For the first time, the company has launched a competition aimed at homeowners who have converted their loft into a beautiful new room using two or more VELUX roof windows.

The transformation could be a master bedroom and en-suite, a home office, children’s playroom or grown up sanctuary. Regardless of the budget or size of the project, VELUX wants to see how their roof windows have helped create a better living environment, and to uncover

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those loft conversions that make the best use of daylight.

Homeowners could win £2,000 / €2,250 in cash if they enter.

The project must have at least two VELUX roof windows in the loft, and be completed between September 2018 and September 2019.

Grant Sneddon, daylight expert at VELUX, said: “Soaring property prices and the prohibitive cost of relocating are preventing many people climbing the housing ladder. Now more homeowners are opting to extend their homes through converting their dark, dusty and unused lofts into a fantastic new bedroom, office or playroom. It’s a great way to add more space to the home you love and tailor it

to suit your family’s needs.

“This is why we’ve launched our Loft Conversion of the Year Awards. We know there are lots of exciting projects taking place across the country and that daylight is a big factor when it comes to creating a better living environment that is light, bright and airy.”

The VELUX Loft Conversion of the Year Awards 2019 is in partnership with Grand Designs and Good Homes magazines.

Five runners up will win £100 John Lewis and Partners vouchers.

For more information on the VELUX Loft Conversion of the Year Awards 2019 and to enter visit velux.co.uk/loftoftheyear

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INDUSTRY NEWS

Kingspan Light + Air Launches New Website

Kingspan Light + Air, the specialist provider of blended solutions which support increased comfort and safety in buildings, has launched a new website to better communicate its integrated service offering and provide enhanced online support to specifiers, installers and building managers.

From design through to installation, commissioning, service and maintenance, Kingspan Light + Air has developed an endto-end proposition for daylighting, natural ventilation and smoke management systems that deliver best-in-class solutions for regulation compliance and energy efficiency.

Following the acquisition of Brakel Airvent in 2017, the expanded Kingspan Light + Air division provides access to a highly flexible offering which closely aligns with industry needs.

The development of the new website aims to make it easier

to identify how Kingspan Light + Air can assist with designing energy efficient buildings that comply with safety standards and continue to perform over time.

Jonathan Dore, Commercial Director, Kingspan Light + Air (UK & Ireland), comments: “Over the last 12 months we’ve focused on integrating Brakel Airvent’s operations into our division. With this process now complete, we’re ready to expand our enhanced solution and service offering under the Kingspan Light + Air brand. The first step in this launch programme is the new website. www.kingspanlightandair.co.uk

Looks good.

Performs Great.

Designing a striking building is one thing.

Making it an environment that’s fit for purpose is quite another.

Adopting a blended approach to building design, commissioning, service and maintenance, Kingspan Light + Air has market leading solutions for: Daylighting Natural ventilation Smoke management Because it’s not enough to just look good. Whatever the building type, trust Kingspan Light + Air to make sure it performs great.

Kingspan Light + Air T: +44 (0) 29 2077 6160 E: info@kingspanlightandair.co.uk www.kingspanlightandair.co.uk

ADVERTORIAL

Order your LAMILUX Glass Skylight now to claim your Builders Bonus Amazon voucher!

Not only will you be ordering a high-performance skylight, but LAMILUX U.K. Ltd are giving away a £25 Amazon voucher with every Glass Skylight F100 ordered before 31st August 2019.

Featuring a flush glass to frame edge detail both internally and externally, the Glass Skylight F100 boasts not only a visually appealing seamless design, but also ensures that rainwater can run-off easily without leaving any dirty edges or water ponding.

In addition, the Glass Skylight

F100 offers high levels of wind and rain resistance and has enhanced isothermal characteristics in the overall construction – this results in no condensation whilst achieving maximum energy efficiency and thermal insulation alongside excellent air tightness values.

Offering variety and ease, the flat roof window is delivered completely pre-assembled on the fully insulated upstand, therefore offering a very quick and simple installation. It is available in a range of sizes and

can be ordered either fixed, opening for ventilation or as an EN 12101-2 certified smoke and heat exhaust skylight.

Whether you are working on a flat roof extension, residential renovation, administrative building or school project with skylight requirements, contact LAMILUX U.K. Ltd to find out more about this summer promotion. www.lamilux.co.uk/giveaway

EVENTS

UK Construction week 2019

RCI Show Ricoh Arena 2020

UK Construction Week (UKCW) is claimed to be the UK’s largest built environment event; bringing together 35,000 construction professionals and more than 650 exhibitors,

Following the success of the RCI Show 2019, Mark Allen Group has announced that in 2020, the Show will return to Coventry’s Ricoh Arena on 25th and 26th March 2020.

This year’s event is at the NEC Birmingham on 8-10 October 2019. UK Construction Week

The RCI Show is the largest UK event where the entire roofing, cladding and insulation supply chain comes together under one roof. This vibrant two-day event allows visitors to compare and source new products, learn from the experts and hear about the important issues currently impacting the market.

UKCW brings together all stakeholders within the built environment across every facet of design, build and product innovation.

It is free to attend and for trade visitors only – more information is available at https://www. ukconstructionweek.com/

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For information, visit www.rcishow.co.uk

National Construction Expo 2020 The 2020 National Construction Expo is now open for free registration. The event will be held on the 6th May 2020 in the Arena MK, Milton Keyes.

Key Topics will Include: Planning, Energy Efficiency, Meet the Buyer, Smart Buildings & Cities, Sustainability, Investment Outlook, Infrastructure, Energy Projects, Municipal and Government Projects, Industrial Projects, Technology & Innovation, Building materials, & more.

Register free at: www. nationalconstructionexpo.co.uk

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£25 Amazon vouc per skyl her ight ordered

BUILDERS BONUS VOUCHER GIVEAWAY ON GLASS SKYLIGHT F100 ORDERS PLACED BEFORE 31/8/19

LAMILUX Glass Skylight F100: The flat roof window featuring a “Structural Glazing” design Structural Glazing • Flush glass to frame edge detail without visible fixings • High-quality appearance • Particularly resistant to wind loads • Maximum energy efficiency and thermal insulation

Attractive All-rounder • Seamless design ensures rainwater can drain easily • All shapes available in double or triple glazing: circles, squares and rectangles • Available fixed, opening or as a certified smoke vent

LAMILUX U.K. LIMITED UNIT 14 THE VISION CENTRE, 5 EASTERN WAY | BURY ST EDMUNDS, SUFFOLK, IP32 7AB 01284 749051 | MAIL@LAMILUX.CO.UK | WWW.LAMILUX.CO.UK

NEW PROJECTS Private Home, Scotland A custom-built opening skylight by Glazing Vision has allowed the owners of this property to create a stunning home observatory within their immaculate modern house. The Ridgeglaze rooflight is a fixed product with no moving parts. Its key advantage is that it allows light into the dwelling on both returns by being placed over the apex of a pitched roof. www.glazingvision. co.uk

University of Wales Kawneer’s AA®110 curtain walling, AA®720 doors and window vents, and series 190 doors feature on the £10 million new creative and digital centre, Canolfan S4C Yr Egin, located on the University of Wales Trinity Saint David’s (UWTSD) Carmarthen campus.

Specified by BDP architects, they were installed over 10 months by a team of up to eight from Kawneerapproved dealer APiC UK for main contractor Kier Construction. www.kawneer.com

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NEW PROJECTS University of Kent A multi award-winning redevelopment of a university library has used architectural glazing systems by Kawneer for their ability to combine aesthetics with performance and value for money.

Kawneer’s aluminium AA®100 curtain walling is complemented by AA®100 concealed window vents, AA®541 top-hung casement window vents, AA®3610 vertical sliding windows and AA®3572 lift/ slide doors. www.kawneer.com

Fairmeadows Primary School, Derbyshire As part of the recent refurbishment of the school, a sigle glazed Georgian mon-pitch rooflight was replaced

by Xtralite’s thermally enhanced selfsupporting mono-pitch rooflight glazed with 25mm UV protected polycarbonate with Lumira infill. This offers improved thermal, light transmission and acoustic characteristics to deliver greater comfort for building users. www.xtralite.co.uk

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DAYLIGHTING IN RESIDENTIAL PROPERTIES

‘Walk-on’ rooflights deliver daylight plus design flexibility A project case study by Roofglaze

This modern residential property can be found in the sought-after Lakeside Crescent area in Brentwood, Essex.

With nearby amenities and shops, the homeowners of this property can enjoy the beautiful surroundings and green spaces.

Renovated to an exceptional standard under the direction of James Lai from JLArchitecture, the property gained a new roof terrace and a modern family living area with the use of Walk-on Flatglass rooflightsby Roofglaze.

client’s brief to revitalise the exterior of the detached property and maximise their usable living space.

The property exterior was uplifted with the replacement of the existing timber boarding with untreated Red Cedar cladding and the addition of beautiful brickwork rendered over existing brickwork, in a smooth white render for a crisp finish and look.

The Project Brief

Over time, the new timber cladding exposed to the natural elements will give the building a modern contrast of colour and material.

JLArchitecture undertook this major renovation project and followed the

To provide additional space, JLArchitecture enlarged the existing

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DAYLIGHTING IN RESIDENTIAL PROPERTIES garage and created an office above with a rear dormer. An attractive, functional extension at the rear of the property was cleverly designed by JLArchitecture, providing a renovated kitchen and lounge space where the family can enjoy their meals.

A Multi-functional Family Living Area

Key to unlocking outdoor space and light within the property was the installation of a modern roof terrace, where the family can relax and enjoy the outdoors.

To meet these objectives, JLArchitecture designed a bright, open-plan living space to the rear of the property, where the family could comfortably entertain and socialise.

A detailed planning application was submitted to Brentwood Council for the proposed alterations and was granted approval at the first attempt, allowing the designer to deliver the project within the client’s desired completion time.

The extension includes a modern kitchen area, dining space and lounge overlooking the re-designed garden.

This space opens out through bifolding doors onto an attractive garden.

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The client was looking for a multifunctional, usable living space, which would enable the family to spend more quality time together.

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DAYLIGHTING IN RESIDENTIAL PROPERTIES Enhancing Daylight and Living Spaces with Walk-on Flatglass Rooflights

penetrate directly into the heart of the family’s living area, which would have otherwise been relatively dark.

Having previously worked with Roofglaze on other projects, JLArchitecture specified two Walk-on Flatglass rooflights to increase natural daylight into the kitchen extension below.

JLArchitecture designed a beautifully bright and spacious family home that has surpassed their client’s expectations.

The 1180mm x 2180mm external Walkon Flatglass rooflights were seamlessly integrated into the new balconied and decked roof terrace, allowing large amounts of light through to the kitchen and lounge area below, all while maximising roof space and creating a ‘wow-factor’ that delighted the home’s owners.

Roofglaze’s Walk-on Flatglass rooflights were the ideal choice for this modern roof space, as they sit flush within the wooden decking and their minimalist internal framework complements the overall contemporary aesthetic of the property.

James Lai of JLArchitecture had the following to say on this project: “All the rooflights for this project were custom made to our specific sizes, with detailed drawings produced by Roofglaze’s Technical Department.

This ensures that the rooflights are coordinated with the architectural design of the new space.

We have specified Roofglaze for many of our high-end residential projects throughout London, and we will continue to collaborate with them in future.” www.roofglaze.co.uk

Tested and designed to allow for regular foot traffic, these rooflights are fully water and weathertight, offering peace of mind to both the architect and the homeowners.

An etched anti-slip ‘Elegance’ coating was specified to prevent injuries or slipping on rainy days, while also adding an aesthetically-pleasing pattern to the rooflights.

Project Achievements The use of glass rooflights and doors across the property created a living space that feels naturally interconnected with the outdoors.

Getting enough light into the new extension was a major priority; the installation of Walk-on Flatglass rooflights enabled daylight to Project Photography: Tibor Silva

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ROOFLIGHTS

Roofglaze

Lighting, by nature.™

Let the light into your home and living spaces with Roofglaze’s market-leading Flatglass rooflights 01480 474 797 rgrestimating@roofglaze.co.uk roofglaze.co.uk

Over 1,000 factory and site assembled rooflight profiles available

Come rain or shine, our rooflights perform

We like to think we know quite a bit about daylight. As the UK’s longest established manufacturer of rooflights, our knowledge and expertise is second to none and we have products to match. Our GRP Energysaver factory assembled rooflights, offer exceptional performance – weathertight, thermally efficient and achieving maximum daylight – they will deliver a first class daylighting solution.

To find out how we can help you maximise daylight when you’re specifying a composite panel roof, visit our technical bulletin library: www.energysaverrooflights.com

To find out more visit www.brettmartin.com or call 024 7660 2022 or email daylight@brettmartin.com

GRP ROOFLIGHTS

Imported profiled GRP rooflights are ‘failing to meet UK safety standards’ By the Technical Committee of NARM, the National Association of Rooflight Manufacturers NARM, The National Association of Rooflight Manufacturers, has been made aware of a number of instances where profiled GRP (Glass Reinforced Polyester) rooflights supplied for ‘inplane’ applications including factory and warehouse roofs, are failing to provide conformity with the UK annex to BS EN 1013: the European standard for profiled rooflight sheets. This annex exists to ensure minimum strength characteristics for given sheet weights, to ensure non-fragile performance in accordance with the ACR test* classifications and guidance published

by NARM. Of particular concern is the fact that these rooflights therefore present a significant risk during construction and to individuals who may need to access the roof for repairs or maintenance.

used in conjunction with structurally compatible roofing components.

Non-fragility of GRP rooflights, however, is a complex subject as it can be affected by a variety of factors pertaining to each specific application. Non-fragility of rooflights is classified by the ACR[M]001 “Test for Non-Fragility of Large Element Roofing Assemblies” published by the Advisory Committee for Roofsafety (ACR). NARM has worked closely with ACR and guidelines on minimum specifications for GRP rooflights to consistently achieve non-fragility when new, and to provide a sufficient safety margin to consistently maintain non-fragility for 25 years or more, in

GRP rooflights have been used successfully to achieve desirable levels of daylighting for over 60 years and by their very nature are highly durable and can safely be specified as non-fragile, providing that they have been manufactured to industry standards, to the appropriate weight, fixed to manufacturers specifications and Sourcing GRP rooflights from a NARM member company is a simple way to ensure safety compliance.

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GRP ROOFLIGHTS

It is vital that the correct weight and thickness of GRP sheet is specified for each individual application and required period of non-fragility, and all NARM member companies can provide simple advice to ensure this.

variety of different applications, have been published in Technical Document NTD03 “Application of ACR[M]001 ‘Test For Non-Fragility of Large Element Roofing Assemblies’ to GRP Profiled Rooflight Sheeting”.

So, in what way are some imported rooflights failing to meet required standards?

Sheet formulation The term ‘Glass Reinforced Polyester’ applies to a wide range of sheet formulations, with varying degrees of strength. GRP sheets are made up of glass strands contained within a polyester resin. It’s these reinforcing glass strands that give the sheets their

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strength and rigidity, hence the glass content of a sheet has an important bearing on non-fragility.

The UK annex to BS EN 1013 and NARM NTD03 both specify a minimum glass content of 33% in order for profiled rooflights to achieve the classifications used for non-fragile performance. NARM has been made aware that some imported GRP rooflights have a glass content well below this figure – often around as little as 25%. This reduction of more than 20% of the glass reinforcement results in a significant shortfall in the strength of the product.

Use of rooflights which match the weight recommendations shown in

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GRP ROOFLIGHTS

High quality non-fragile GRP rooflights are delivering daylight to many UK infrastructure projects

NTD03 will not deliver the expected level of non-fragility if the glass content is significantly lower: a 2.4 kg/m2 sheet with 25% glass content will simply not achieve the same non-fragile performance as a 2.4 kg/m2 sheet with 33% glass content

Sheet thickness & weight The weight and thickness of GRP sheet required to achieve non-fragility varies with application, level of performance required and the period of non-fragility.

Recommendations in NARM NTD03 vary between 1.8 and 3.6 kg/m2 for different applications.

It is vital that the correct weight is specified for each individual application and required period of non-fragility, and NARM member companies can provide simple advice to ensure this.

For example, single skin sinusoidal profiled rooflights used with fibre

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cement sheets only need to be 2.4 kg/m2 to achieve Class C nonfragility when new, but trapezoidal profiled single rooflights (as used with metal sheets) should be a minimum of 3.0 kg/m2 to achieve non-fragility when new. However, NARM is aware that some imported trapezoidal profiled GRP rooflights are being installed significantly under this weight, at 2.4 kg/m2, and will consequently fail to achieve non-fragile performance by some margin.

Low glass content plus low weight: double the danger The weight and glass content both have a direct correlation to the strength and non-fragile performance of GRP sheets: NARM is aware of cases where imported GRP sheets have been fitted which are both lighter and thinner than necessary, and where the glass content is significantly lower than 33%,

“It is vital that the correct weight is specified for each individual application and required period of non-fragility, and NARM member companies can provide simple advice to ensure this.�

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GRP ROOFLIGHTS this will result in installations which will not be non-fragile and create a significant risk.

With falls from height accounting for the majority of constructionrelated deaths and injuries, this is a major cause for concern and action must be taken to minimise this risk.

Rooflight specifiers and installers should be aware of the potential risks presented by GRP rooflights that are not CE marked, do not comply with the weight and glass content requirements stipulated in the UK annex of BS EN 1013 and NTD03, or have not been tested to ACR[M]001.

For this reason, when specifying GRP rooflights, documented evidence of the above should always be sought – and provided by the supplier.

Sourcing GRP rooflights from a NARM member company is a simple way to

ensure safety compliance. However, providing that rooflights meet the required UK standards, sourcing from outside the UK remains an option which NARM would support as a matter of principle. Indeed, a number of our member companies supply glass or thermoplastic rooflights which have been manufactured outside the UK and these are of high quality and fully compliant with UK regulations and standards.

NARM technical document NTD03 and other NARM Technical Documents can be downloaded free of charge, from www.narm.org.uk.

“With falls from height accounting for the majority of construction-related deaths and injuries, this is a major cause for concern and action must be taken to minimise this risk.”

*ACR[M]001 ‘Test For Non-Fragility of Large Element Roofing Assemblies’, published by ACR: the Advisory Committee for Roofsafety.

Photographs for this article supplied by NARM member companies

LOW CA RBON G RP DAYL I G H T SO LU T IONS

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Waldram Tools - Daylighting Software MBS has been developing software for the last 25 years.

Delivering applications that are powerful yet easy to use.

Waldram Tools is an excellent package for meeting the requirements for daylight & sunlight testing laid out in the BRE Guide.

It is however much more than that, with many tools to aid design, such as facade analysis including solar radiation to test for overheating. Ray traced Daylight and sunlight calculations using Radiance, which allows more complicated situations to be assessed.

Transient shadows can be assessed over a range of times with the shadow cast matching the colour of the proposed building The potential for solar glare can be assessed in an easy to read rendered image

The software produces:

· · · · · · · · ·

BRE Compliance tests VSC,APSH,NSL,Sunlight to Amenity and Average Daylight Factor Rights of Light contours Complete excel exports Automated transient shadow images Climate based daylight calculations Spatial Daylight Autonomy Annual Sunlight Exposure BREEAM calculations Solar Glare Solar Radiation Facade analysis

Available for AutoCAD 2014-2020*

Alternative products: "Daylight forSketchup" Coming soon: "Daylight for Revit"

For more information contact us on:

Tel: 020 3176 0984

email: info@mbs-software.co.uk

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SPECIAL FEATURE

daylight diary Working with RIBA to support architectural specifiers July/Augu

st

2019

Over the 20 years or so since NARM was formed, our Technical Committee has played a pivotal role in establishing the effects of rooflighting on building performance and in the development of rooflight standards which protect the UK industry from potentially poorly performing products.

Recognised as the UK’s leading independent and impartial authority on rooflighting, the Committee comprises a team of leading experts, each having been selected from within NARM’s member companies to represent the association on technical matters.

RIBA CPD Seminar A key part of our role, is to make the expertise held within the organisation available to specifiers. To this end, in 2016 the association became a member of the RIBA CPD Providers Network, publishing an on-line seminar entitled ‘An Introduction to Daylighting with Rooflights’. This seminar, listed as part of the RIBA Core Curriculum, provides an overview of the factors to consider when specifying rooflights as well as information about the health & wellbeing benefits of daylighting.

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RIBA CPD Documents More recently, a number of our indepth NARM Technical Documents have also been approved as RIBA CPD material. These include: • NTD01: An Introduction to Natural Daylight Design Through Rooflighting • NTD03: Application of ACR[M]001 ‘Test For Non-Fragility of Large Element Roofing Assemblies’ to GRP Profiled Rooflight Sheeting’ • NTD 11: Understanding the Differences Between Non-fragile Rooflights and Walk-on Rooflights for Deliberate Foot Traffic NTD12: An Introduction to Natural Daylight Design in Domestic Properties These materials are available at: https://www.ribacpd.com/search. aspx?s=narm&f=TuoMtg Further NARM documents will be made available as RIBA CPD materials during 2019 and the entire NARM Technical Library is available for free download at www.narm.org.uk

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DAYLIGHT & ENERGY SAVING

Shining the Light on Energy Saving Natural lighting is increasingly being used in modern architecture and construction.

Celebrated for its health and safety benefits and energy saving prospects, daylighting is quickly becoming a front-runner in design. Many industrial and commercial buildings are more environmentally conscious than before and are looking for ways to reduce energy consumption and overall carbon footprint. Effectively embracing the benefits of daylighting can not only help to minimise reliance on artificial lighting solutions, but it also enables occupants to reap the proven wellbeing and productivity benefits. Dr Soha Hirbod, Building Energy Analyst at Kingspan Light + Air, sheds some light on the daylighting solutions available and how embracing natural light from design stage can help to save energy and ultimately reduce costs.

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DAYLIGHT & ENERGY SAVING

The benefits of natural daylight are becoming a favoured specification in many architectural design plans for occupied buildings. Referring to the deliberate placement of windows, rooflights and other openings, the main ambition of daylighting is to help a facility to maximise on natural light in any given space with measurable performance benefits.

Embracing natural daylight can help to reduce the number of hours artificial lights are in use, helping to maximise on energy saving benefits without sacrificing visual comfort. Many academic studies have suggested that daylighting benefits the physical and mental health and wellbeing of the occupants and encourages their productivity. As well as its benefits on personnel, natural daylighting has the potential to create a comfortable and

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pleasant environment.

When it comes to implementing daylighting solutions, several factors need to be considered. Lux values, the unit of illuminance, and Daylight Factor (DF), the ratio of the inside illuminance to the outside illuminance, are drivers behind design. To achieve the required daylighting targets, factors such as U-Value, Solar Heat Gain Coefficient (G-Value), Visible Light Transmission and Diffusion must be reviewed. There are many products available on the market that satisfy the requirements of an individual building whilst guaranteeing specific levels of Lux, U-Values and G-Values.

When implementing daylighting solutions, considering essential requirements can be a monumental task. Collaborating from initial design

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DAYLIGHT & ENERGY SAVING

stage with a trusted manufacturer who can provide bespoke systems for different installations can help to ensure the correct solution is used in the facility to maximise on all performance benefits.

Polycarbonate Solutions Polycarbonate has become increasingly popular in delivering daylighting solutions in recent years due to its versatility and durability.

Polycarbonate is a tough, strong, clear plastic with very high light transmission.

Polycarbonate is now manufactured to include co-extruded UV protection that eliminates the UV spectrum of light – making it a clear front runner for window, skylight and façade solutions.

Resistance to UV degradation helps to prevent discolouration, results in excellent thermal and structural performance, and retains the visible

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light transmission throughout the lifecycle of polycarbonate. In general, polycarbonate has a high life expectancy.

Modern polycarbonate materials permit the integration of various technologies.

For instance, by applying infrared blocker to the polycarbonate, it is possible to achieve the solar heat gain coefficient of as low as 0.45 while retaining high levels of light transmission. This solution introduces the maximum amount of daylighting into a facility without increasing the amount of heat transferred.

Healthy Buildings with Healthy Benefits As discussed, embracing natural daylighting has the potential to reduce reliance on artificial lighting. Utilising building energy modelling software

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DAYLIGHT & ENERGY SAVING prior to construction can help a facility to identify the solutions that would work best for the overall environment.

Positioning the daylighting solutions, such as polycarbonate rooflights, to achieve optimum uniform daylighting, with no glare for as long as possible, helps to reduce energy consumption and maximise visual comfort.

Successfully achieving the BREEAM 2018 standard emphasises that for the majority of buildings achieving 300 Lux of natural light for 2,000 hours of the year will help with its overall sustainability and efficiency.

exposure to natural light can adversely impact daily activities and sleep patterns. Unlike some daylighting materials, polycarbonate does not filter out blue light, the type of light more visible in the first half of the day, which has been proven to increase alertness and help with levels of productivity. Therefore, the daylighting solutions have the potential to help with the overall wellbeing of occupants and visitors not only by creating a comfortably lit environment, but also helping to assist with additional levels of productivity.

While natural light is the most sustainable lighting option available, sometimes artificial lighting solutions cannot be avoided. By combining effective daylighting solutions with highly efficient LED lighting, which optimise daylight harvesting qualities and smart occupancy controls, it is possible to achieve significant cost saving benefits.

To ensure the application of the most effective ways to integrate daylighting and begin to shine the light on the energy and cost saving factors, it is essential to work with a manufacturer who understands the daylighting requirements of each project and specialises in delivering specific solutions that provide optimum levels of natural light. These solutions should save lighting energy consumption without compromising heating and cooling requirements of the building.

In addition to its energy saving benefits, daylighting solutions can have a positive effect on the working environment. The studies show that the circadian system operates with the natural light spectrum. Thus, lack of

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“While natural light is the most sustainable lighting option available, sometimes artificial lighting solutions cannot be avoided.

By combining effective daylighting solutions with highly efficient LED lighting... it is possible to achieve significant cost saving benefits�.

www.kingspanlightandair.co.uk

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DAYLIGHT & ENERGY SAVING

New report highlights greater energy efficiency windows As a new report calls for action to tackle energy inefficient homes in the UK, Andy Swift, Sales and Operations Manager at Iso Chemie, says architects who adopt new approaches to sealing specification will improve the energy efficiency around window and door installations.

Sealing tapes solutions from Iso Chemie can help in the specification of energy efficient solutions for properties

The Business, Energy and Industrial Strategy (BEIS) Select Committee’s report*, Energy Efficiency: building towards net zero, which follows recommendations laid out in the 2018 National Infrastructure Assessment, stresses the importance of pushing more energy efficient buildings to help the UK meet its carbon reduction targets cost-effectively.

Specifically, it flags concerns that currently, public investment is inadequate when it comes to making homes energy efficient and urges that greater attention and priority should be given to home insulation. The move also comes hot of the heals of

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an earlier report by the Committee on Climate Change (UK Housing Fit for the Future, February 2019) into energy efficiency in homes, which called for all new homes to be built to be as thermally efficient as possible.

These reports - the latest in a long line of similar studies – showcase seeming indifference among government ministers when it comes to propagating more energy efficient housing, rebuffing simple yet effective home insulation measures that could help people to pay less than they need to tackle climate change.

Undeniably, home insulation installations are among the cheapest

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DAYLIGHT & ENERGY SAVING carbon cutting measures, reducing energy bills by £100 a year on average. However, the cancellation of government incentives has seen a 95% fall off in work in this area since 2012, according to the Committee on Climate Change.

Despite great strides in modern housing design and development, evidence points to doors and windows continuing to be among the biggest culprits when it comes to energy inefficient homes. Indeed, it might be said that in the light of product innovation, its almost ‘criminal’ that so many fenestration installations remain unchecked or unregulated, leaving a legacy of problems that last for years and cost hundreds of thousands of pounds to rectify.

This is a pity because with advancements in cost effective, simple to use technologies, there’s no longer any justifiable reason for procrastination around the specification of energy efficient window and door sealing solutions.

Heat will always find the fastest exit as it comes up against the ‘A’ or ‘A+’ rated window, and invariably this emanates from the 10mm or so expansion gap left around the window following fitment.

This is normally left empty, but some amount of spray foam can be injected to fill the void before a silicone trim is applied for a smart looking finish.

Unfortunately, as expedient as this might sound, none of these solutions create a measurable, long term, high performance thermal, acoustic or airtight barrier - the U-Value of the installed window is simply reduced, which leads to heat escape and ultimately, financial loss.

If building regulations remain lenient, we will continue to see window and door developments that only just comply with the minimum standards.

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But the industry deserves better insulating products to improve energy efficiency and save money for their end-users, and self-adhesive foam sealing tapes, which use ‘smart’ foams impregnated with different substances to create a measurable U-Value as low as 0.6w/m2k, offer superb thermal insulation and can contribute to acoustic sound reduction by 63dB. As these installation tapes are completely weather tight against driving rain up to hurricane force wind speeds, installers can quickly apply them around the frame during initial fitting. This provides the assurance that they have completed a comprehensive ‘A’ rated installation rather than just supplying an ‘A’ rated window. This is a benefit that can be sold on to deliver enhanced energy efficiency advantages for customers and property owners.

There’s no question that those responsible for fenestration specification can do more to support greater energy efficiency.

Technical innovation through sealing technologies is one way that this can be achieved. Indeed, as sustainability continues to be paramount in the development of low carbon and ecofriendly housing schemes, we are seeing technologies such as foam tapes gaining traction as effective solutions for sealing window and door frame expansion joints and gaps in houses.

“These reports - the latest in a long line of similar studies – showcase seeming indifference among government ministers when it comes to propagating more energy efficient housing, rebuffing simple yet effective home insulation measures that could help people to pay less than they need to tackle climate change.”.

The challenge for new technologies is to provide those at the sharp end of designing the built environment with the confidence to assure customers that energy efficiency is at least as good as the window. www.iso-chemie.co.uk *https://www.parliament.uk/business/committees/ committees-a-z/commons-select/business-energyindustrial-strategy/news-parliament-2017/energyefficiency-report-published-17-19/

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DAYLIGHTING ICONS The biggest: the best: the most awe-inspiring; the most outrageous; the most influential...

In this regular feature we indulge ourselves and our readers with images of daylighting projects throughout the years that simply deserve a double page photograph...

King’s Cross Station, London The 7,500sqm concourse at London’s King’s Cross Station by John McAslan + Partners is Europe’s largest single-span station structure, comprising 16 steel tree form columns that radiate from an expressive, tapered central funnel. The graceful circularity of the concourse echoes the form of the neighbouring Great Northern Hotel, with the ground floor of the hotel providing access to the concourse.

Following the redvelopment the station re-opened to the public on 19 March 2012, creating a new, iconic architectural gateway to the city, ready for the 2012 London Olympics.

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DAYLIGHTING ICONS

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@Daylighting_Mag

Twitterings Follow us for regular updates between issues... in the meantime, more highlights...

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DAYLIGHTING MAGAZINE

DAYLIGHTING Magazine back issues Click on the cover images below to open back issues Issue 2 Jan/Feb 2017

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DAYLIGHTING Magazine is published by Bennett & Partners, a UK communications and publishing business offering a complete range of specialist services for companies serving the construction sector: • On-line publishing • Copywriting • Design for web and print • Photography • 3D imaging • PR • Consultancy Telephone 01295 711666 Email: info@ bennettandpartners.co.uk www.bennettandpartners.co.uk