How and where to use guide

VELUX Underfelt Collar 94x160cm BFX PK10 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 BFX PK10 1000 Underfelt Collar is a flashing component designed to integrate with compatible VELUX roof window and Sun Tunnel systems. Measuring 940x1600mm, it provides a weather-tight seal between the window frame and roof structure, with an inte...