DSE 40 Water Storage/Drainage Layer

Turfed Intensive 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 (m) 1.04 x 2.03
Weight (Kg/m²) 1.8
Thickness (mm) 40
Composition Recycled high density polyethylene
Compressive strength 80kN/m² unfilled
1000kN/m² when filled with mineral drain
Saturated weight 15.3kg/m²
26.5 kg/m² when filled with saturated mineral drain
Water storage capacity 13.5 litres/m² when flat
3-4 litres/m² when filled with mineral drain