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Permachannel
Consisting of 21 different runs of Permachannel and Permavoid Biomat, which linked to 21 Polystorm-R geocellular attenuation tanks, the design is capable of storing more than 400m3 of stormwater beneath the development’s car park, at a depth of just 1m.

Permavoid Biomat can encourage the reproduction of microbes to breakdown oil deposits