polydrain civils inspection chambers (320mm or 450mm) can be used as an alternative to traditional manholes up to depths of 1.2 metres. the excellent design of the flow profile prevents the buildup of deposits and blockages.
polydrain civils high quality channel drainage system is suitable for domestic drainage applications. a shallow channel strength, available in 1 metre lengths. a full range of accessories are available, designed to aid simple and fast installation.