Construction Products

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Protect Barriair Vapour Control Layer

Protect Barriair is a vapour control layer and air barrier. It is a coated non-woven membrane which forms a highly effective air leakage barrier with vapour control qualities.  Also it will dramatically reduce heat loss through the building fabric.

Protect Barriair Benefits:

  • Will provide an airtight system when installed with sealed laps
  • Will improve the thermal performance of all insulants by reducing convection flows
  • Tough, durable with high tear resistance
  • Easy to cut and lightweight to handle in 1.5x50m rolls
  • Provide support to mineral wool and rock fibre when fixed to timber frame studs or rafters
  • Helps to avoid interstitial condensation risk within insulation in accordance with BS 5250


For more information, Click Here to download a product brochure.