
Permavoid
85
This system is a strong lightweight subbase system. The system is ideal for shallow attenuation, storage and conveyance of storm water.
Summary
A strong lightweight subbase system
Permavoid 85 is a modular interlocking polypropene geocellular unit. It is designed as a high strength, lightweight and shallow subbase replacement system. The system is characterized by its exceptionally high compressive strength and bending resistance.

Special features
A variety of innovative water products.
Capillar
Mimicking nature with capillary action.
Recycling
100 procent recycled and ready to be reused.
The Permavoid 85 is designed with on one side a high surface area to protect the (roof) membranes at high loadings.
Connectors
Specs & downloads
Everything you need to know.
Technical data
- Color
- Black
- Size
- 708 x 354 x 85 mm (l x b x h), approx. 0,25 m2, +/- 1%
- Material
- polypro (CoPo)
- Weight
- approx. 2,25 kg
- Material description
- Frost and resistant, hydrofoob, inert, acid and hydrocarbon resistant, impervious to bacterial and fungal growth
- Coefficient of Lineair Thermal Expansion
- 0,0004 - 0,0008 m/m K
- recycled/virgin
- recycled
- Volumetric void ratio
- > 92%
- lifespan
- > 50 years
- Perforated surface ratio
- > 52%
Downloads
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