The Polydrain 450mm chamber base is compliant to BS EN 13598-1 part H1 of building regulations to maximum depth of 1.2m. This lightweight system is easy to install with a range of access covers to suit your project requirements. It is fully compatible with 110mm underground pipes BS EN 1401 and BS EN 13476-2 and includes four blanking plugs. This system is manufactured using recycled material.
