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Wykamol CM20 Black Cavity Drain Membrane (FLOORS) CM202X20

Special Price £239.87 £199.89 Regular Price £277.20


Product Information

Wykamol CM20 Cavity Drain Membrane is a dependable internal basement waterproofing option that can shield basement areas from water that has seeped through the building. With a huge capacity of 14m/l, this waterproof membrane is perfect for use on floors and walls in extremely wet environments or when a high stud height is required to maximize insulating qualities and value. CM20 cavity drain membrane produces a dry, comfortable living space in places previously affected by damp or wet areas.

Use & Application

  • Walls
  • Floors
  • Vaults
  • Tunnels
  • External foundation waterproofing as insulated dry lining
  • Internal above-ground waterproofing as insulated dry lining


  • Easy to use as supplied in roll
  • Gives a high-water void of 14L per m2
  • Tolerates any temperature
  • Made using high-grade material
  • No damage to an existing structure
  • Provides a dry, comfortable environment in places where previously experienced damp or wet conditions


More Information
Manufacturer Part NumberCM202X20

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