Fixing and buying guide

Use this buying guide for VELUX Underfelt Collar 78x118cm BFX MK06 1000 before ordering. What to check before buying: - Confirm dimensions and compatibility with adjoining components. - Verify fixings, adhesives, and accessories required for installation. - Match quantity to project area and allow for cuts/wastage. - Product overview: VELUX underfelt collar 78x118cm for rooflights. Weather-tight seal and insulation on timber F16+. Secure installation and heat loss prevention.