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Vapour check / airtight membrane for intelligent vapour diffusion. Paper-based, for those wanting a more ecological solution. Delicate to install.

1.3m x 50m

Airtight vapour control membrane

A roll of Constivap 1.5m wide x 50m long.

Robust vapour check/ internal airtight membrane, with intelligent vapour diffusion. Maximum protection against moisture damage. Widely used in timber frame buildings. Available in 1.5m or 3m widths.