A traditional, single-ply, virgin grade blown polythene material. Supplied in a 4m x 25m roll size it is ideal for use in Insulated wall, floor or roof applications where there is a moderate risk of interstitial condensation occuring, also minimises air leakage and energy heat losses, improving the long-term energy efficiency of constructions. Provides an airtight seal, it must be installed in conjunction with the Novia two-tape sealing system.

Features and benefits:

Low cost solution, and ideal for timber frame constructions.
Air-leak barrier and vapour control layer (AVCL).
Supplied in a 4m x 25m multi-folded roll.
Ideal for use with Novia breather membranes in insulated frame applications.
Green tinted, translucent material allows for ease of installation to framework.
Virgin-grade, high-quality material.
CE Marked.
Minimises interstitial condensation.
Install with Novia two tape sealing system.
Helps towards BS 5250 requirements.
Complies with BS EN 13984.

Tape:

For professional installation, all Novia® VCL products must be fully sealed to the structure using a Novia® double-sided butyl tape and metallised 'BOPP' overlap tape, or Novia foil overlap tape.
Novia® 30 mm wide butyl tape and 60 mm metallised 'BOPP' tape must be used for all standard VCL installations.
Novia AirSeal310 FR cartridge sealant should be used with Novia tapes when sealing against concrete surfaces.

Novia 1000 UKCA document