How and where to use guide

VELUX Underfelt Collar 134x98cm BFX UK04 1000 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 Underfelt Collar is designed to provide a secure and weather-tight seal for your skylight or rooflight installation. Suitable for use in UK building regulations, this underfelt collar is ideal for DIY projects or professional installations. The 13...