System Components

Permavoid System Components

The Permavoid System comprises of a number of components which may be utilised within a SuDS design:

  • Permavoid (85 and 150mm)

    Modular cells that link together to form an interlocking raft of exceptional high compressive and tensile strength.

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  • Permachannel

    A linear treatment system that combines run-off collection, silt and effluent interception and water treatment functions.

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  • Permavoid Biomat

    High strength geocellular unit containing a low density, oil treating, geosynthetic floating mat.

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  • Geomembrane

    An impermeable membrane for wrapping around Permavoid structures to form watertight tanks.

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  • Permaties and Shear Connectors

    Fully interlocking tapered tie connections to securely link Permavoid cells together horizontally in a single structure and to transfer tensile loads.

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  • Permaceptor

    A combined run-off collection, silt/oil interceptor and treatment system used with road/yard gullies.

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  • Permafoam

    An open-celled absorbent phenolic foam incorporated into Permavoid geocellular units for ‘on demand’ irrigation or check dams.

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  • Permatex 300

    A heavy duty, non-woven, polypropylene, geotextile designed to protect and separate Permavoid geocellular layers.

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Literature & Technical info