Waterproof Membranes

Waterproofing membranes have been manufactured by RIW Limited for over 80 years. The range of membranes now consists of not just liquid products, but a range of sheet membranes, drainage boards and sodium bentonite based products. All these waterproof membranes share the same function - providing specifiers, users and clients with safe effective Basement Tanking.

A useful starting point when designing a structure that requires waterproofing is BS8102. This official document describes the various steps that need to be followed to ensure the membrane provides effective basement tanking.

The first step is to determine to what use the basement will be put. BS8102 describes four standards of basement tanking, ranging from the lowest, which allows some water ingress, to a totally dry environment.

Once the grade has been selected soil conditions need to be determined so an assessment can be made as to what levels and degrees of water pressure the waterproof membranes will be subjected. When these factors have been considered, the design of the basement tanking and the type of materials selected as membranes can be decided. Although in theory the selection of waterproofing products and design of basement tanking sounds a relatively simple task, there are many decisions to be made.

RIW Limited has vast experience of waterproofing and has an extensive range of damp-proof membranes and systems. They offer the benefit of this experience free of charge, to anyone involved in waterproofing system design and application.

We can assist in the most appropriate structural design for the basement tanking and then advise on the most appropriate waterproof membrane, for the selected design.