Permavoid 85
Permavoid 85 is a 85mm high modular interlocking void former designed for use as a combined drainage component and subbase replacement system. The system is characterized by an exceptionally high compressive strength and bending resistance. The units connected with PermaTies create a rigid horizontal structural ‘raft’, ideal for multifunctional subbase applications.
The system has evolved to a subbase replacement system with aeration, water conveyance, storage, infiltration and irrigation functionality. It effectively combines its high compression strength with the very high void ratio (95%), providing reliable and efficient water conveyance and storage in subbase constructions in SUDS, road-, sports- and rooftop applications.
- Creates a shallow (85mm) Sustainable Urban Drainage Systems (SUDS)
- Replaces gravel subbase, creating a lightweight subbase with 95% open space
- Suited for stormwater catchment, conveyance, attenuation and irrigation of soil above the system
- Can be used in conjunction with Permavoid 85, connects with the standard PermaTie.
- Suitable for water management (catch-store-reuse) in gardens, public green space, greenroofs, podium decks, sports, play and equestrian arenas
Using the capillary fibre technology the system is not only suitable for water attenuation and conveyance, but also functions as a sub-soil capillary irrigation system, creating a constant soil moisture content for plants, turf grass or equestrian surfaces.
The units are designed with tomorrow’s world in mind. Made from 100% recycled materials now, and again 100% recyclable in the future.
Additional information
| Size | 85 mm |
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