Fixing and buying guide

Use this buying guide for VELUX Underfelt Collar 55x98cm BFX CK04 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 55x98cm for CK04 roof windows. Weathertight seal between window frame and roof underlay. Essential flashing component for pitched roof installations.