Visqueen Low Permeability Gas Membrane is a robust co-polymer thermoplastic membrane approved for use in NHBC Amber 1 and radon applications. For ease of identification on site the membrane is coloured yellow. The membrane is flexible, easy to install and supplied in a 4m x 12.5m roll.


  • Approved for use in NHBC Amber 1
  • High quality robust co-polymer thermoplastic membrane
  • Supplied in centre folded sheeting which reduces the risk of cracks in screed
  • A high performance radon membrane
  • BBA Certificate 13/5069 and CE Mark 13967:2012