polystyrene drainage membrane / green roof drainage / for green roofs
green roof drainage
for green roofs
Flow-delay retention board for extensive and semi-intensive greenroofs and hard-surface pedestrian areas, with a height of 25 mm, made of recycled high-impact polystyrene (HIPS).
DiaDrain-25H is formulated for continuous drainage of flat- and slightly sloped surfaces mainly such as vegetated areas and hard-surface pedestrian areas of extensive and semi-intensive green roofs. The flow-delay and the retention functions are provided by the stepped barrier design.