Cm20 Square Web Image CM20 Studded Floor Waterproofing Membrane BBA Logo
  • Cm20 Square Web Image
  • CM20 Studded Floor Waterproofing Membrane
  • BBA Logo

CM20 Waterproofing Membrane

Wykamol CM20 High Capacity Waterproofing Membrane is BBA approved 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 CM8 Waterproofing Membrane is suitable for type 'C' (drained protection) structural concrete constructions in accordance with BS 8102.

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.

When used on floors CM20 Waterproofing Membrane can be installed without the need for perimeter drainage channels and, when overlaid with concrete, the large diameter studs will give high point load resistance capabilities (180 kN/m²) to support load-bearing walls built off the slab.

Product Description CM20 Waterproofing Membrane, Black CM20 Waterproofing Membrane, Black
Product Code K20 CM20
Packing and Size 2 m x 20 m 2 m x 10 m
Coverage 40 m² 20 m²
Storage Store in an upright position, under cover and away from high temperatures and open flames Store in an upright position, under cover and away from high temperatures and open flames
Life Expectancy At least 50 years for defined application At least 50 years for defined application
Product Description CM20 Waterproofing Membrane, Black CM20 Waterproofing Membrane, Black
Product Code K20 CM20
Packing and Size 2 m x 20 m 2 m x 10 m
Coverage 40 m² 20 m²
Storage Store in an upright position, under cover and away from high temperatures and open flames Store in an upright position, under cover and away from high temperatures and open flames
Life Expectancy At least 50 years for defined application At least 50 years for defined application
  • Waterproof, salt inhibiting, root and contaminate resistant
  • Quick installation process
  • Internal load bearing walls can be built on the membrane once creed is added
  • High water movement capacity
  • Various floor finishes can be used on top of the membrane
  • Can be used with multiple drainage systems
  • Can be used with all insulation floor systems
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