How and where to use guide

VELUX Insulation Collar 78x118cm BDX MK06 2000 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 create a snug, thermally efficient fit around roof window openings measuring 78×118cm. It forms a critical seal between your roof structure and insulation material, minimising heat loss and air infiltration at the...