How and where to use guide

VELUX Insulation Collar 66x118cm BDX FK06 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 tight seal around the perimeter of roof windows, preventing heat loss and moisture ingress. Manufactured from fibre-reinforced polymer, it suits timber grades F18 and above and fits roof openings up to 66...