A large private enterprise specializing in the production

and management of geotechnical materials

Plastic drainage board /Dimple drainage board
Plastic drainage board /Dimple drainage board

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Plastic drainage board /Dimple drainage board

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Product Information

Plastic drainage board is made of polyethylene or polyethylene plastic base plate stamped into a conical platform (or hollow cylindrical porous) and formed. A filter geotextile is glued to the top of the conical protrusion platform to prevent soil particles from passing through, thereby avoiding the blockage of the drainage channel and making the drainage channel smooth.

Product Features

1. Its raw material is high impact polyethylene, which can withstand long-term high pressure and is not deformed. It is a kind of hard-to-decompose engineering plastics. It is placed in the interlayer of buildings and the decomposition period is more than 100 years.

2. It is used in underground works and roof greening, its compressive strength is high and the load is light. Compared with the conventional process, It combines the drainage board and geotextile, and has the functions of drainage, waterproof, air permeability, moisture retention and root separation.

3.It is used in thermal insulation flat roof or underground engineering, many fulcrums of drainage board make the gap between the building surface layer and the structure layer. It has the functions of moisture insulation, drainage and thermal insulation.

4. The edge of the product has big and small fulcrums, which can be overlapped with each other along the slope. Even if there is more infiltration water, it can be discharged promptly and quickly. Its construction and transportation are very simple and convenient.



Water impermeability(0.3 MPa /24h)


compressive strength(KPa)


Tensile strength (MPa)


Elongation at breaking(%)


Tearing strength(KN/m)


Low temperature bending property(≤-35℃)


Bending without cracks

Heating expansion, mm





Hot air aging (80℃×168h)

Tensile Strength(MPa)


Elongation at break(%)


Alkali resistance

Tensile Strength(MPa)


Elongation at break(%)


Artificial weathering

Tensile Strength(MPa)


Elongation at break(%)


Piercing strength(N)








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