Novia VC2 Air And Vapour Control Layer DIY Kit anti-slip-decking VELUX GGL 2070 PK08 94x140

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Novia VC2 Air And Vapour Control Layer DIY Kit anti-slip-decking VELUX GGL 2070 PK08 94x140The Novia VC2 Vapour Control Layer DIY Kit comes with everything you need to install an energy efficient, reinforced, air tight vapour check membrane. Suitable for use in insulated wall and roof applications, this kit includes a VCL and installation tape to create a long lasting and high performance end result. It also has the added benefit of acting as an air leakage barrier, preventing losses due to unwanted convection flows. It has an sd value