Drainage and Storage Board FKD 40

Optigrün Drainage and Storage Board FKD 40 is installed beneath extensive green roofs and single-layered intensive green roofs for drainage and water storage.

Characteristics

Material Recycled HDPE
Max. compressive strength unfilledapprox. 144 kN/m² (DIN EN ISO 25619-2)
with 8.4 % compression
Water discharge capacity
(DIN EN ISO 12958)
i = 0.02 (=2 % roof pitch): 2.31 l/(m*s)
Nominal thicknessapprox. 40 mm
Grammageapprox. 2,300 g/m²