Perforated HDPE-dimpled membrane with water storage capacity
Büsscher DRAIN 20
Art.No. 94022
![](/pimcore-prod-assetthumbnail/BUEHO/Bilder-Produkte/Produkte/45490/image-thumb__45490__bueho_website_product_image/B%C3%BCsscher%20Drain%2020%20Rolle.jpg)
Intended use
Drainage and water storage mat for green roofs
The drainage mat is breathable due to perforated areas and can be used in inverted roofing systems.
Packaging
5 rolls of 20 m x 2m = 200 m² per pallet
Characteristics | Unit | Result |
---|---|---|
Length | m | 20 |
Width | m | 2 |
Dimple height | mm | 20 |
Mass per unit area | g/m² | ca. 700 |
Compressive strength | kN/m² | ca. 150 |
Water flow capacity in their plane i=1 at 20 kPa | l/(s x m) | ca. 9 |
Water storagecapability | l/m² | ca. 6 |
Air volumebetween dimples | l/m² | ca. 14 |
Thermal resistance | °C | -30 bis +80 |
Chemical properties | - | resistant to chemicals |
water permeability normal to the plane | m/s | ca. 100*10-3 |
Reaction to fire test | Class | E |