Everything you need in one box for a weathertight installation – with added insulation.
Ensure a watertight seal between the roof window and the roofing underfelt with the VELUX underfelt collar that leads water away from the roof window installation.
Reduce heat loss and eliminate cold bridges with the VELUX insulation frame. The combination of rigid and flexible foam creates a tight seal between the roof window and the roof construction and makes it easy to install.
VELUX recessed flashing (with BDX 2000F Insulation Collar) to provide drainage round the roof window. For use with slate up to 8mm thick (not interlocking). Roof pitch between 20-90 degrees
VELUX recessed flashing (with BDX 2000F Insulation Collar) to provide drainage round the roof window. For use with slate up to 8mm thick (not interlocking). Roof pitch between 20-90 degrees