12mm Roof Drainage System (sold per m2)
Properties: Makes extensive use of recycled polymers in its construction.
Uses: Reservoir/Drainage board specifically designed for green roofs.
One product – 5 functions
Water Attenuation 1.5 ltrs/m2
Protection of Waterproofing Membrane
Roofdrain’s perforated HDPE core allows both water attenuation and drainage.
In addition there is a pre bonded filter fleece to both sides.