Novia VC4000 FR Reflective AVCL

Our Fire Classification B-s1,d0*, reflective AVCL suitable for high rise applications

Product Overview

Novia® VC4000 FR Reflective is a premium quality, high performance, Class B* flame resistant, reflective Air & Vapour Control Layer (AVCL). The material meets BS EN 13984 and is UKCA approved. Novia® VC4000 FR complies to EN 13501-1 Fire Classification Class B-s1, d0* and is approved for use in high rise applications. Novia® VC4000 FR has excellent moisture vapour resistance and is suitable for use in any insulated wall or roof application where high moisture vapour resistance is required. Novia® VC4000 FR also has a reflectivity of 98%, which will significantly improve both U and r values when correctly installed. Due to the use of high performance materials, Novia® VC4000 FR will provide a very low moisture vapour permeability solution. The product is reflective on one side, white on the reverse, with no text or images.

*Valid for substrates with fire class A2-s1,d0 or A1 such as 12mm plasterboard, with no cavity between product and substrate. Product tested to EN 13501-1.

Novia® VC4000 FR meets the requirements for UKCA marking, originally introduced under the 2013 Construction Products Regulations with CE marking. Under this European directive, all products covered by a current hEN (harmonised European Norm) must comply with the new standard. Third party accreditation is no longer sufficient. This has been adapted to UKCA following the UK departure from the EU.

For projects that also require a fire rated breather membrane which complies to EN 13501-1, we also offer Novia® FR Breather. It has a B-s1,d0 Fire Classification and is approved for use in high rise applications. See datasheet for more product specific information.

Novia® VC4000 FR can be found on NBS Chorus and NBS Source software packages. Full information can be found for NBS specification with the table below. The links will open a pop up window with full specification information.

Full installation and technical details can be found on the datasheets available for download below. 

Key Features

  • Roll size 1.5m x 50m
  • EN 13501-1 Fire Classification B-s1,d0*
  • Suitable for use in high rise applications under relevant sections of Fire Safety: Approved Document B
  • UKCA compliant to EN 13984
  • Very low moisture vapour permeability
  • High reflectivity which can improve U values when installed with the reflective side facing a minimum 25mm air cavity (second plasterboard lining may need to be installed to retain fire classification).
  • Minimises interstitial condensation
  • Use in conjunction with Novia FR Breather Membrane for a full Class B installation

Installation Tips

Installation guidelines can be found on individual product datasheets using the links on this page. Novia AVCLs will only perform correctly if properly installed. It is therefore essential to use Novia AVCL tapes, as part of a two-tape sealing system. 

For VC4000 FR Reflective we recommend the use of Novia 30mm wide Double Sided Butyl tape and Novia 96mm wide BS 476 Cold Weather Foil Lap tape for all airtight Novia VC4000 FR Reflective installations. In addition, Novia® Airseal 310 FR AVCL sealant can be used in all applications where additional sealing is required, for example internal corners, floor sections or window reveals.

Please note that Novia Double Sided Butyl tape is not fire rated, but tapes & sealants are excluded under relevant sections of Fire Safety: Approved Document B.

Interested in the Novia VC4000 FR Reflective AVCL from Air & Vapour Control Layers range?

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