Rain falls onto a relatively dry green roof and the green roof absorbs the water usually in pore spaces.
Water retention mat green roof.
Green roofs also known as vegetated roofs provide beauty and many environmental benefits including reducing heat island effects and managing urban storm water runoff.
Ccw offers the flexibility to use either traditional or modular systems as well as the single source roof to green roof warranty option through select partners.
This means that the water leaves the roof as vapor.
Water retention is essential for green roofs we ve talked about taking excess water away from a green roof.
A good precaution for hot regions i e zones 1 3 and as a means to total roof weight reduction.
Water retention panel polystyrene this panel has integrated drain which is useful in case of ecological roofs.
A synthetic protection water storage fabric weighing 500 g m2 15 oz yd2 is applied around the perimeter of the roof over the waterproofing or root barrier membrane.
Drainage mat is laid over the protection fabric and the remainder of the roof with the ribbed drainage channels following the roof slope.
Enkaretain drain 3111 green roof drainage mat interior and exterior planters.
Green roof solutions offers many different drainage layer options depending on system goals regarding water retention.
Later the sun comes out and the plants use the rainwater to evapotranspire.
Green roof solutions moisture retention mat mrm protects the waterproofing membrane and holds moisture beneath the drainage layer in green roof systems.
Retention fabric for dry environments shallow soils and non irrigated vegetated roofs.
The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall.
It can be used for green terraces pitched roofs and light roofs with vegetation.
Drain board water retention layer.
Bauder wasserspeicherplatte wsp 50 wsp 75.
This particular fleece holds 9 liters of water per square metre when saturated.
Designed for sloped green roofs.
Moisture retention and protection mat specifically designed for sloped green roofs.
17 20 mm.
The mrm is also a popular choice for fleece based living or green wall systems.
Mrm is available in two thicknesses 3 16 and 3 8 to suit your project s specific needs.
Now we ll talk about keeping enough moisture on the roof to support the plants.