Specifications

1.green roof drainage board
2.plastic drainage board
3.drainage cell
4.HW-PEZ30

 

green roof drainage board plastic drainage board drainage cell

  The HW-PEZ30 Drainage Cell 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 Sheet Drain(mm): 333×333

Flow rate (Loss 5cm) (L/S) : 3.5

Flow rate (Loss 10cm) (L/S) : 5.2

 

 

Specifications
Material	Polyethylene
Colour	Black
Weight	approx 3.1 kg/m²
Size	333 mm (L) x 333 mm (W) x30 mm (H)   395 mm (L) x 395 mm (W) x 30 mm (H)
Compressive Strength	>1,000 kN/m² (100 t/m²)
Discharge Capacity	16.5 l/m.s @1% gradient
Surface Void Area	>67%
Internal Void Area	>95%
Biological / Chemical Resistance	Unaffected by moulds and algae and good resistance to oils, acids, alkalis and bitumen
Service Temperature	-20ºC to 120ºC