Green Roof Water Retention Layer

Green roof solutions offers many different drainage layer options depending on system goals regarding water retention.

Green roof water retention layer.

They are only accessed for maintenance. The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall. There are two types of green roof. The secret of green roof water retention is green.

Rain falls onto a relatively dry green roof and the green roof absorbs the water usually in pore spaces later the sun comes out and the plants use the rainwater to evapotranspire. The green roof solutions air layers serve multiple purposes. These products work in conjunction with the primary drainage component within the green roof system. It is made of a filtration veil and the polyamide monofilament fibre network layer.

Made of recycled non rotting polyester fibers for water and nutrient retention as well as a protection layer. Technical specifications weight 120 kg sqm or 1 2 kn sqm layer height 120 mm vegetation forms sedum grass flowers water retention 80 ecological value maintenance cost cost factor description extensive green roofs are built in different parts of the earth with. This means that the water leaves the roof as vapor. Extensive green roofs cover the entire roof area with lightweight low growing self sustaining low maintenance planting.

Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions. Green roofs are multi layered systems that cover the roof of a building with vegetation and or green landscaping over a drainage layer. Their main function is to incorporate a thin layer of air within the profile of a green roof system while also providing lateral water movement. All three types of roofs require specific layers of roofing materials not found on regular roofs.

The vegetation layer must be put directly over the drainage course without using the filtration cover. Protection drainage and filtration. Retention works like this. Extensive green roofs with water retention built on pitched surfaces of 5 15 inclination can be landscaped the same way as flat surfaces having only one important difference.

Bauder sdf drainage layer material of the drainage layer polyamide monofilament weight of the drainage layer 400 g m. Moisture retention and protection mat for extensive green roofs and ballasted roofs. The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support. Common uses of the grs air layers are.