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Visqueen CM20 Membrane

Visqueen CM20 Membrane is a 20mm studded cavity membrane formed from 1mm thick high density polyethylene (HDPE). The cavity membrane is black in colour and supplied in rolls, 2m x 20m which includes a 50mm stud free overlap flange along the length of the roll.

  • Suitable for use as part of a Type C waterproofing protection system in accordance with BS 8102:2022
  • Compliant with the requirements of NHBC Chapter 5.4 as a method of waterproofing protection
  • Suitable for heritage buildings and conservation projects - causes little or no damage to the existing structure
  • 1mm HDPE membrane - acts as a radon barrier
  • Suitable for new and retrofit substructure walls, floors, vaults and tunnels


Product code : 82VCM2