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Green Roof 20mm Dimpled Drainage Membrane Board

Green Roof 20mm Dimpled Drainage Membrane Board

20mm dimpled drainage membrane

Polypropylene dimpled drainage membrane

20mm hdpe dimple board

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Plastic Grainage Board

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Product Details
5 Years
Dimple Drainage
Water Draining
Product Description

Green Roof Drainage Board Plastic Drainage Board

HDPE Plastic Dimple Drain Board
HDPE water drainage board also call plastic drainage sheet is a type of green roofing and foundation driange systems which are drained by a special molding plastic sheets. Water is retained and drained off within dimple on the upper sides of the drainage board; excess water spills over the edges of the plates and is carried off from the roof or foundations.



Technical parameter


Plastic drainage board
item Specification
Tension at 10% elongation (N/100mm) ≥ 350
Maximum pulling force (N/100mm) ≥ 600
Elongation at break /% ≥ 25
Tear performance/N ≥ 100
Compression performance Maximum strength when compression rate is 20%/KPa ≥ 150
Extreme compression performance No break
Low temperature flexibility -10℃ no cracks
Heat aging Tensile retention at 10% elongation≥ 80
Maximum tensile retention rate/(N/100mm) /% ≥ 90
Elongation at break retention rate /% ≥ 70
Maximum strength retention rate when the compression rate is 20% ≥ 90
Extreme compression performance No break
Low temperature flexibility -10℃ no cracks
Longitudinal water flow (test pressure 150KPa) (cm²/s) ≥ 10



1. Greening Project
The garage roof greening, roof garden, vertical greening, roof greening, football pitches, golf course, etc
2. Municipal Engineering
Airport, road embankment, subway, tunnel, landfill, etc
3. Construction
The upper or lower building foundation, inside and outside the basement wall, floor and roof, roof seepage control and heat insulation layer, etc
4. Water Conservancy Project
The reservoir seepage water, reservoir, lake water seepage control, etc
5. Traffic Engineering
Highway, railway basement, roadbed, dam and slope protection layer, etc


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