Novia 1200G Vapour Control Layer

Our high strength virgin grade polythene vapour barrier

Product Overview

Novia 1200 VCL is a high specification, blown polythene material, suitable for use as a vapour control layer within the walls of timber frame constructions, or where control of the passage of water vapour is required.

This product also performs the additional function of an air-leakage barrier, to prevent losses due to unwanted convection flows. We advise the use of Novia butyl and metallised BOPP tapes to ensure a complete barrier integrity throughout the entire life of the product. Novia 1200 VCL should be used in combination with Novia breather membranes to provide an air-tight and vapour resistant system.

Novia 1200 VCL is fully CPR compliant and is CE Approved to EN 13984:2013.

Key Features

  • Virgin grade polythene
  • High specification solution
  • Translucent green tint - see-through for accurate fixing
  • 1200 gauge / 300 micron thickness
  • Roll size 4m x 25m (100m2)
  • CE approved membrane

Installation Tips

Installation guidelines can be found on the product datasheets using the links to the left.

To install the membranes, we recommend using the Novia double tape system.

Our Double Sided Butyl Tape is used on the laps and edges of the membrane, with either Metallised BOPP Tape or Aluminium Foil Tape then used to complete the seal, keeping down any excess membrane which may get caught in the wind.


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