How and where to use guide

VELUX Insulation Collar 55x98cm BDX CK04 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 work with CK04 roof windows, providing thermal insulation around the window frame opening in timber-constructed lofts. The collar creates a snug fit that minimises heat loss and air leakage, helping to improve over...