HW-PEZ30 Drain Board,drainage cell,sheet drain 

The HW-PEZ30 Drain Board is pouring plastic by PP; the surface is covered by grotextile membrane, thus forms a combination drainage plant. It is a square block; 9 blocks compose one square. It is suitable in the large-scale square; the golf course, HW-PEZ30 and the HW-PSS18 use together can enhance HW-PSS18's effect.
Details see (chart: structure of underground project roof)

Product: HW-PEZ30

Color of under plate: Black/White

Material quality: PE

Quality(g/): 3150

Thickness (mm): 30

Compressive strength (kpa): 1000

Color of Geotextile Membrane : Black/White

Material quality : Polyester fiber

Hole caliber (mm) : 0.15

Runoff rate : 320

Tensile strengthN : 160

Quality(g/) : 150

Specification of Drain Board(mm): 333×333