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.
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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