This system is a strong lightweight subbase system. The system is ideal for shallow attenuation, storage and conveyance of storm water.
A strong lightweight subbase system
Permavoid 170S is a strong lightweight hollow subbase system, able to support sports, landscaped and paved surfaces on rooftops, podium decks and in green infrastructure at ground level where volume storage is needed.
A variety of innovative water products.
Mimicking nature with capillary action.
100 procent recycled and ready to be reused.
The Permavoid 170s is delivered in panels of 3m2 for quick and easy installation.
Specs & downloads
Everything you need to know.
- 710 x 710 x 170 mm (l x w x h), approx. 0,5 m2, +/- 1%
- polypro (CoPo)
- approx. 6 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
- Volumetric void ratio
- > 93%
- > 50 years
- Perforated surface ratio
- > 65%
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