How and where to use guide

VELUX Vapour Barrier 55x118cm BBX CK06 0000 should be used according to the intended application and site requirements. How and where to use: - Prepare surfaces and adjoining assemblies before installation. - Install to manufacturer guidance and relevant site standards. - Check fit, alignment, and finish quality before handover. - Additional context: The VELUX Vapour Barrier 55x118cm BBX CK06 0000 is a polyethylene membrane designed for installation within roof assemblies to provide continuous protection against vapour transmission. Suitable for both new builds and refurbishment projects, it helps preve...