Fixing and buying guide

Use this buying guide for VELUX Underfelt Collar 134x98cm BFX UK04 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 134x98cm for skylights and rooflights. FSC certified timber construction, designed for UK building regulations compliance and weather-tight sealing.