best price Drainage sheet for roofing gardon - HXHP

Green roof drainage sheet

The bottom of HXHP drainage board is made of polyethylene which can bear longtime high pressure and has no distortion.It can bear the heavy weight,load of concrete board and unavoidable pressure outside in the construction such as vehicle,worker trampling,concrete affusing etc.With its anti-pressure property,it can remain the tonnage.

Typical applications:
HXHP drainage board is better than traditional stone drainage and other filter layer.It can be widely used in the area of retaining wall,basement,tunnels,safe slope and the base of highway and roof garden green.