FLEX-SEAL Air/Vapour Barrier is available in 25.4 m (83.3 ft) rolls in widths of 457 mm (18 in) and 914 mm (36 in) packaged two and one roll(s) per carton respectively.

As supplied in 23.3 m2 (250 ft2) cartons, FLEX-SEAL Air/Vapour Barrier in 914 mm (36 in) width attains an approximate coverage of 21.9 m2 (236 ft2) per roll and 457 mm (18 in) width, 20.6 m2 (222 m2) per carton (2 rolls), based on sidelaps of 51 mm (2 in). For estimating purposes, a wastage factor of 3% should be included to account for misaligned laps, reinforcing requirements and repairs.

Composite Sheet Air/Vapour Barrier Membrane

Product Description:
FLEX-SEAL Air/Vapour Barrier is a self adhering, cold applied composite sheet membrane comprised of 0.9 mm (36 mils) of rubberized asphalt integrally bonded to a 0.1 mm (4 mils) film of high density, cross laminated polyethylene for a minimum thickness of 1.0 mm (40 mils). For ease of application FLEX-SEAL Air/Vapour Barrier is interwound with a disposable silicone treated release paper. FLEX-SEAL Air/Vapour Barrier is dark grey to black in colour.

FLEX-SEAL Air/Vapour Barrier is an air seal membrane designed to prevent the passage of air into or out of the building enclosures when incorporated with building envelope construction.

FLEX-SEAL Air/Vapour Barrier is suitable for use in a variety of wall assemblies and in combination with most construction materials including: concrete, masonry, metal and wood/gypsum sheathing.

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