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GREEN ROOF LAYERS /DUJHVWVSHFLDOLVWJURZHU VXSSOLHURIRYHU%ULWLVKQDWLYH Terrestrial plant ZLOGĂ RZHUVPDUJLQDO DTXDWLFSODQWVDQGVHHG communities require adequate water, nutrients, drainage and air circulating around the roots to survive and this is recreated in the green roofing engineered layering system, which follows current ZLWKRYHU\HDUVH[SHULHQFH

best practice. The waterproofing membrane is one of the most important factors to consider prior to installation and its integrity must be confirmed prior to installation of green roof system by a specialist waterproofing contractor. The root barrier membrane is a protective layer preventing any damage to the BritishFlora T: 01494 718203 ŽŜƚĞŜƚĆ?  WÄ‚Ĺ?Äž water proofing from plant roots. A drainage Grange Farm F: 01494 718989board provides water storage capacity and allows excess water to'ĆŒÄ‚ĹśĹ?ÄžZŽĂĚ drain away and the filterÍ—Ĺ?ŜĨŽΛÄ?ĆŒĹ?Ć&#x;Ć?ĹšĹ‡Ĺ˝ĆŒÄ‚Í˜Ä?Ĺ˝Í˜ĆľĹŹ fleece installed above the drainage board prevents substrate from entering the /ĹśĆšĆŒĹ˝ÄšĆľÄ?Ć&#x;ŽŜ ĎŻ drainage board. Drainage outlets are also an important component of green roof systems and vegetation Ç Ç Ç Í˜Ä?ĆŒĹ?Ć&#x;Ć?ĹšĹ‡Ĺ˝ĆŒÄ‚Í˜Ä?Ĺ˝Í˜ĆľĹŹ   tĹ?ÄšĹľÄžĆŒŜĚ barriers composed of large pebbles will prevent vegetation growing beyond the desired areas. dĆŒÄ‚Ç‡^Ĺ?njĞĆ? ϰͲϹ ĆľÄ?ĹŹĹ?ĹśĹ?ŚĂžĆ?ĹšĹ?ĆŒÄž ŽžƉĂŜLJZÄžĹ?EĹ˝Í˜ϰϯϳϲϲϲϾ

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Biodiversity elements- log and rock piles

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Wildflower planting tĹ?ĹŻÄšĹ‡Ĺ˝Ç ÄžĆŒDĞĂĚŽÇ

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Localised mounding up to 200mm depth

Í—Ĺ?ĆŒÄ‚ĹšÄ‚ĹľÎ›Ä?ĆŒĹ?Ć&#x;Ć?ĹšĹ‡Ĺ˝ĆŒÄ‚Í˜Ä?Ĺ˝Í˜ĆľĹŹ

Extensive crushed brick substrate

'ĆŒÄžÄžĹśĆŒĹ˝Ĺ˝Ä¨

Filter fleece

&Ĺ?ĞůĚ^Ä‚ĹŻÄžĆ?DĂŜĂĹ?ÄžĆŒ EĹ?Ĺ?Ğů^ƚĞǀĞŜĆ?ŽŜ ^Ä‚ĹŻÄžĆ?ĚžĹ?ĹśĹ?Ć?ĆšĆŒÄ‚ĆšĹ˝ĆŒ ĹŻÄ‚Ĺ?ŜĞDĹ?ĹŻĹŻĆ? 

Í—ĹśĹ?Ĺ?ĞůĆ?ƚĞǀĞŜĆ?ŽŜΛÄ?ĆŒĹ?Ć&#x;Ć?ĹšĹ‡Ĺ˝ĆŒÄ‚Í˜Ä?Ĺ˝Í˜ĆľĹŹDrainage board ,ĂžƉƚŽŜĹ˝ĆľĆŒĆš DÍ—ϏϳϾϯϭϹϾώϰϯϳ Insulation ^ƉĞÄ?Ĺ?ÄžĆ?>Ĺ?Ć?Ćš Í—Ä‚ĹŻÄ‚Ĺ?ŜĞžĹ?ĹŻĹŻĆ?ΛÄ?ĆŒĹ?Ć&#x;Ć?ĹšĹ‡Ĺ˝ĆŒÄ‚Í˜Ä?Ĺ˝Í˜ĆľĹŹ

Root barrier membrane Waterproofing layer ^ĞĞĚDĹ?džĞĆ? Structural slab

dÄžÄ?ŚŜĹ?Ä?Ä‚ĹŻDĂŜĂĹ?ÄžĆŒ ĹŻÄ‚Ĺ?ŜĞ,Ĺ˝Ç Ä‚ĆŒÄš

Í—ĞůĂĹ?ŜĞΛÄ?ĆŒĹ?Ć&#x;Ć?ĹšĹ‡Ĺ˝ĆŒÄ‚Í˜Ä?Ĺ˝Í˜ĆľĹŹ DÍ—ϏϳϳϲϏϲϭϲϯϳϹ

Ä?ŽůŽĹ?Ĺ?Ć?ƚ͏ŽŜĆ?ƾůƚĂŜƚ >Ĺ?ÇŒWĹ˝Ç ÄžĹŻĹŻ

Í—ĹŻĹ?ÇŒĆ‰Ĺ˝Ç ÄžĹŻĹŻÎ›Ä?ĆŒĹ?Ć&#x;Ć?ĹšĹ‡Ĺ˝ĆŒÄ‚Í˜Ä?Ĺ˝Í˜ĆľĹŹ DÍ—ϏϳϰϯώϳώϹϳϏϹ

dÄžĆŒĹľĆ?ĂŜĚŽŜĚĹ?Ć&#x;ŽŜĆ?

Š Spacehub Design

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ĎŽĎŹĎ­ĎŽWĆŒĹ?Ä?Äž>Ĺ?Ć?ĆšͲ/ĹśĆ?ÄžĆŒĆš

SUBSTRATES FOR BIODIVERSE ROOFS The substrate type and depth are the most important factor when determining what vegetation can establish ontĞůÄ?ŽžĞƚŽ the green roof. Evidence has shown that substrates designed specifically for green roofing purposes than BritishFloraÍ›Ć?ĎŽĎŹĎ­ĎŽ/ĹśÄ¨Ĺ˝ĆŒĹľÄ‚Ć&#x;ŽŜWÄ‚Ä?ĹŹÍ˜KĆľĆŒĆŒÄžÇ€Ĺ?Ć?ĞĚĆ?ƉĞÄ?Ĺ?ÄžĆ?ĹŻĹ?Ć?Ć&#x;ĹśĹ?Ĺ?ŜώϏϭώĹ?ĹśÄ?ůƾĚĞĆ? meet industry standards (FLL Guidelines and Green Roof Code of Best Practice 2011), perform better and Ä?Ĺ˝ĹľĆ‰ĆŒÄžĹšÄžĹśĆ?Ĺ?ǀĞĹ?ĹśÄ¨Ĺ˝ĆŒĹľÄ‚Ć&#x;ŽŜŽŜĞĂÄ?ĹšƉůĂŜƚĆ?ƉĞÄ?Ĺ?ÄžĆ?Ć?ĆľÄ?ŚĂĆ?Ĺ‡Ĺ˝Ç ÄžĆŒĹ?ĹśĹ?Ä?Ĺ˝ĹŻĹ˝ĆľĆŒÍ•ŚĞĹ?Ĺ?ŚƚĂŜĚĹ‡Ĺ˝Ç ÄžĆŒ have the following properties:

Ć‰ÄžĆŒĹ?Ĺ˝ÄšÍ˜dĹšĹ?Ć?Ć?ĞĂĆ?ŽŜÇ ÄžÄ‚ĹŻĆ?Ĺ˝Ĺ?ĹśÄ?ůƾĚĞÄ‚ĹśÄžÇ Ć‰ĆŒĹ?Ä?ĞůĹ?Ć?ĆšÇ Ĺ?ƚŚĹ˝ĆľĆŒĨƾůůĆŒÄ‚ĹśĹ?ÄžŽĨĆ‰ĆŒĹ˝ÄšĆľÄ?ĆšĆ?Í•ƉŽƚĂŜĚ ĆšĆŒÄ‚Ç‡Ć?Ĺ?njĞĆ?͘dĹšĹ?Ć?ĎŽĎŹĎ­ĎŽWĆŒĹ?Ä?Äž>Ĺ?Ć?ĆšĹ?Ć?Ĺ?ĹśÄ?ůƾĚĞĚÄ‚Ć?Ä‚ĹśĹ?ĹśĆ?ÄžĆŒĆšƚŽƚŚĹ?Ć?/ĹśÄ¨Ĺ˝ĆŒĹľÄ‚Ć&#x;ŽŜWÄ‚Ä?ĹŹÍ˜ƚĞÄ?ŚŜĹ?Ä?Ä‚ĹŻ Fire clay based\mineral substrate ŜŽƚĞĂŜĚĞdžƉůĂŜĂĆ&#x;ŽŜŽĨĹ˝ĆľĆŒĆšĆŒÄ‚Ç‡ĂŜĚƉŽƚĆ?Ĺ?njĞĆ?Ć‰ĆŒĹ˝Ç€Ĺ?ĚĞĆ?Ä¨ĆľĆŒĆšĹšÄžĆŒĆ‰ĆŒĹ˝ÄšĆľÄ?ĆšĹ?ĹśÄ¨Ĺ˝ĆŒĹľÄ‚Ć&#x;ŽŜÄ¨Ĺ˝ĆŒĹ˝ĆľĆŒ Circumneutral pH Ä?ĆľĆ?ĆšĹ˝ĹľÄžĆŒĆ?͘/ĆšĹ?Ć?Ĺ˝ĆľĆŒĹ?ŜƚĞŜĆ&#x;ŽŜƚŚĂƚƚŚĹ?Ć?Ĺ?ĹśÄ?ĹŻĆľĆ?Ĺ?ŽŜÇ Ĺ?ĹŻĹŻžĂŏĞĹ˝ĆľĆŒÄ?ĹŻĹ?ĞŜƚ͛Ć?ƚĂĆ?ĹŹŽĨƋƾŽĆ&#x;ĹśĹ?Ä¨Ĺ˝ĆŒ Lightweight Good drainage characteristics Ć‰ĆŒĹ˝ĹŠÄžÄ?ĆšĆ?ĂŜĚĹŠĹ˝Ä?Ć?žƾÄ?ŚƋƾĹ?Ä?ĹŹÄžĆŒĂŜĚĞĂĆ?Ĺ?ÄžĆŒĂŜĚĹ˝ĆľĆŒĆ?Ä‚ĹŻÄžĆ?ĂŜĚƚĞÄ?ŚŜĹ?Ä?Ä‚ĹŻƚĞĂžÄ‚ĆŒÄžĆšĹšÄžĆŒÄžƚŽŚĞůƉ Porous (absorbs water) Ç Ĺ?ƚŚĂŜLJÄ¨ĆľĆŒĆšĹšÄžĆŒĆ‹ĆľÄžĆŒĹ?ÄžĆ?LJŽƾžĂLJĹšÄ‚Ç€ÄžÍ˜ Low nutrient (10% organic content) Avoids compaction (large granular)

2

BritishFlora ,6 FREE

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Profile for 01671

British flora green roofing information booklet 20pp a4  

British flora green roofing information booklet 20pp a4  

Profile for 01671
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