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Novia VC4000 FR Class B Fire Rated Reflective Vapour Control Layer - 75m2 Roll

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£179.77 Incl. VAT
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The Novia® VC4000 FR Reflective Vapour Control Layer is a high performance, flame resistant and reflective airtight membrane. Designed to be used as a high performance vapour control layer and air leakage barrier, this AVCL is suitable for use in any insulated wall or roof application where high moisture vapour resistance is required. Novia® VC4000 FR Reflective Vapour Control Layer will also deliver a very low moisture vapour permeability solution due to the use of the high performance materials. This product is tested to EN 13501-1 Fire performance class B-s1,d0 and is valid for substrates with fire class A2-s1,d0 or A1 such as 12mm plasterboard, with no cavity between product and substrate.

Features & Benefits: Novia VC4000 FR Class B Fire Rated Reflective Vapour Control Layer - 75m2 Roll

  • Suitable for use over 18m according to current Building Regulations
  • Very low moisture vapour permeability
  • High reflectivity which can improve U values
  • Minimises interstitial condensation
  • EN 13501-1 Fire performance class B-s1,d0
  • Water Vapour Permeability in Sd: 4000m
  • Reflectivity: >95%
  • Air and Vapour Control Layers (AVCLs) should always be installed on the warm side, the inside of the building envelope, within all insulated wall or roof applications.
  • To provide an air tight seal, Novia® VC4000 FR Reflective must be installed in conjunction with suitable Novia® tapes. It is essential that Novia® membranes are installed correctly using these tapes, otherwise they will not provide the necessary building design outcomes.
  • All AVCL membrane joints should have a minimum 150mm overlap and be situated on a stud, rafter, timber or other framework where possible.


Length 50m Width 1500mm


Roll Size 75m2 Weight 13kg

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