RIW Cavity Drainage Membrane is an internal tanking cavity drainage membrane system used to collect water entering the basements and sub-structures and channel it to a sump or collection point for disposal. RIW Cavity Drainage Membrane is a 1mm thick high density polyethylene drain board with 20mm studs used in situations where site conditions or structural design make it difficult or impossible to use traditional tanking methods.
[logo_carousel_slider].
