Description
Cavity Drain R20 is used in situations where site conditions or structural design make it difficult or impossible to use traditional tanking methods. Cavity Drain R20 is used to collect water entering the structure and channel it to a sump or collection point for disposal (see details). When designing Type C (drained) protection, as classified in BS 8102: 2009, the product applied correctly, is capable of providing the levels of protection required for Grade 1, 2 & 3 basements.
Cavity Drain R7 is used in situations where site conditions or structural design make it difficult or impossible to use traditional tanking methods. Cavity Drain R7 is used to collect water entering the structure and channel it to a sump or collection point for disposal (see details). Cavity Drain R7 is suitable for use on floors and ceilings, please consult RIW for further information/ guidance.
When designing Type C structures (drained) protection, as classified in BS 8102: 2009, the product applied correctly, is capable of providing the levels of protection required for Grade 1, 2 & 3 basements