Visqueen Gas Resistant (GR) Damp Proof Course is a flexible polyethylene DPC with an aluminium foil designed to prevent the transmission of carbon dioxide, radon, methane and low level hydrocarbon vapours. This is in addition to the product’s usage as a damp proof course. Resistance to harmful gases is achieved by an integral aluminium film.

  • Complies with BS8485:2015 for gas protection
  • Tested & passed to ISO 15105-1 methane permeability method
  • Aluminium foil to resist methane, radon, CO2 and low levels of hydrocarbon
  • Easy to apply using traditional methods
  • Independently assessed