Perforated HDPE-dimpled membrane with water storage capacity
Büsscher DRAIN 20
Art.No. 94022
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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 | Testing method | 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 | EN 1847 | - | chemikalienbeständig |
water permeability normal to the plane | m/s | ca. 100*10-3 | |
Reaction to fire test | Klasse | E |