How and where to use guide

VELUX Insulation Collar 134x140cm BDX UK08 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 secure and efficient way to insulate your roof or wall. Suitable for use with timber grades F16, F24, and F32, this collar helps to reduce heat loss and prevent moisture damage. Typically used in conjunct...