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CM20 Floor Drainage Membrane

This waterproofing membrane is the highest drainage capacity membrane in the CM range, giving a void number of 14 litres/m². Suitable for use on floors and walls in very wet situations, or where a large stud height is needed to maximise insulation values.

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.

This waterproofing membrane is the highest drainage capacity membrane in the CM range, giving a void of 14 litres/m². Suitable for use on floors and walls in very wet situations, or where a large stud height is needed to maximise insulation values.

CM20 creates a dry, habitable living space in areas previously suffering from damp or wet conditions.

Description Size Sheet Thickness Stud Height Drainage Capacity
CM20 Floor Drainage Membrane
2m x 20m
Nominal 1mm
20mm
Max 13 litre/m2
  • Part of a Type C Cavity Drain Membrane System, in line with BS8102:2009
  • Gives a high water void at a 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/wet conditions
  • Easily cut down using a sharp blade
  • Waterproof, salt inhibiting, root and contaminant resistant
  • Little or no damage to the existing structure
  • Low and high temperature tolerance
  • High grade material

Walls, Floors, Vaults, Tunnels and Above and below ground level Waterproofing applications.

For further information please download our data sheets or contact the Our Technical Department

Product DescriptionCM20 Membrane 2 x 20 m
  
Packaging and Size2 m x 20 m, 40 Kg
Coverage40 m²
StorageStore in an upright position, under cover and away from high temperatures and open flames
Life ExpectancyThe lifetime of the structure, when stored and installed in line with the datasheet recommendations.

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