Cavity drain membrane CM20 2 x 10m

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.

• 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 rolls of 2m x 20m and 2m x 10m* (*only 20 kg in weight)

• Ideal radon barrier membrane