VELUX Insulation Collar 78x118cm BDX MK06 2000

Description

The VELUX Insulation Collar is designed to create a snug, thermally efficient fit around roof window openings measuring 78×118cm. It forms a critical seal between your roof structure and insulation material, minimising heat loss and air infiltration at the window perimeter. Suitable for use with FSC-certified timber and above, the collar ensures consistent performance across standard loft installations. Install in accordance with VELUX guidance and current building practice for optimal thermal and structural performance.