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 insulation collar for use with EDL, EDP, EDW flashings. Also includes BFX underfelt collar for additional weathertightness. Reduces heat loss and eliminates cold bridges.
VELUX sun tunnel with flexible 14 inch diameter tunnel for slate up to 8mm thick. Brings natural light into windowless storage areas, corridors and bathrooms. Double layer diffuser for maximising the spread of light.
VELUX sun tunnel with rigid 10 inch diameter tunnel for slate up to 8mm thick. Brings natural light into windowless storage areas, corridors and bathrooms. Double layer diffuser for maximising the spread of light.
VELUX insulation collar for use with EDL, EDP, EDW flashings. Also includes BFX underfelt collar for additional weathertightness. Reduces heat loss and eliminates cold bridges.
VELUX sun tunnel with flexible 14 inch diameter tunnel for slate up to 8mm thick. Brings natural light into windowless storage areas, corridors and bathrooms. Double layer diffuser for maximising the spread of light.
VELUX sun tunnel with rigid 10 inch diameter tunnel for slate up to 8mm thick. Brings natural light into windowless storage areas, corridors and bathrooms. Double layer diffuser for maximising the spread of light.