How and where to use guide

VELUX Insulation Collar 94x140cm BDX PK08 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 fit securely around your roof truss, helping to reduce heat loss and prevent condensation in loft spaces. Suitable for timber grades up to BDX PK08 2011, this collar provides a snug, energy-efficient seal around ro...