lightweight roofing materials HDPE double side Sheet dimple drainage board composite drainage board green roof drainage board

lightweight roofing materials HDPE double side Sheet dimple drainage board composite drainage board green roof drainage board

The HW-PES18 drain sheet is made by the high-density polyethylene (HDPE). There is grotextile membrane on the surface, forming drain sheet. HW-PES18 has two-sided concave-convex. It has the two-sided draining water function, has the water storage function, under the moist environment it can bi-directional adjustment.
The HW-PES18 drain sheet  is widely applied in the roof garden and outdoor garage roof afforestation project.
Job practice detail (chart of roofing planter structure, garage roof structure)

Product: HW- PES18

Color : Black

Material quality: high-density polyethylene

Quality(g/m²): 1300

Thickness (mm): 18

Compressive strength (kpa): 200

Specification of drain sheet mm: 1110×18100

Flow rate (Loss 5cm) (L/S) : 2.4

Flow rate (Loss 10cm) (L/S) : 3.2

Product Testing

Packing Pictures