How and where to use guide

VELUX Underfelt Collar 78x98cm BFX MK04 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 BFX MK04 1000 is a high-quality underfelt solution for timber frame construction. Its weather-tight seal ensures that your roof remains dry and secure, even in harsh weather conditions. This collar is typically used to cover the e...