DSE 40 Water Storage/Drainage Layer

Seeded Extensive Green Roof

Multi-functional water storage and drainage layer, usually infilled with Mineral Drain for loading support and stability.

DSE 40 water storage and drainage layer

DSE 40 Technical Data
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Size 1.04 x 2.03m
Weight 1.8Kg/m²
Saturated weight 15.3Kg/m²
26.5Kg/m² when filled
Thickness  40mm
Coverage 2.1m²
Compressive strength 80kN/m² unfilled
1000kN/m² when filled
Water storage capacity 13.5 litres/m² when flat
Approx. 3-4 litres/m² when filled 
Composition Recycled high density polyethylene