How and where to use guide

VELUX Insulation Collar 94x160cm BDX PK10 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 BDX Insulation Collar is engineered to work with compatible VELUX roof window and Sun Tunnel systems, providing a weather-tight seal and visually consistent roof finish. Designed for both new build and refurbishment applications, it supports profe...