How and where to use guide

VELUX Insulation Collar 55x78cm BDX CK02 2011 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 Insulation Collar is designed to provide a snug fit around your existing roof space, ensuring a secure seal and preventing heat loss. Suitable for use in domestic and commercial buildings, this insulation collar is ideal for insulation of roof tru...