WYKAMOL CM20 CAVITY DRAIN MEMBRANE BLACK (2m x 20m Roll)

Wykamol CM20 High Capacity Waterproofing Membrane is for use on walls, floors, vaults and tunnels with minimal surface preparation required. Also suitable for external foundation waterproofing and internal above ground waterproofing to provide insulated dry lining where conventional plaster finishes are not suitable. Wykamol CM20 Waterproofing Membrane is BBA-approved as suitable for type 'C' Cavity Drain Membrane Systems in accordance with BS8102 and now includes our high-vis yellow membrane. Part of a type C cavity drain membrane system in line with BS8102:2022. • Gives a high water void volume of 14 litres/m². • Quick to install - easy to roll out along floors. • Creates a dry, habitable living space in areas previously suffering from damp or wet conditions. • Easily cut down using a sharp blade. • Waterproof, salt inhibiting, root and contaminate resistant. • Little or no damage to the existing structure. • Low and high-temperature tolerance. • High-grade material. • Available in 2m x 20m Rolls (*only 20 kg in weight) • Ideal radon barrier membrane