How and where to use guide

VELUX Insulation Collar 134x98cm BDX UK04 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 for loft insulation installation in timber frame construction. It fits rafters with a width of 98cm and length of 134cm, making it suitable for both professional builders and DIY applications. The collar is manufactur...