Velux Underfelt Collar - BFX

Velux Underfelt Collar - BFX
Ensure a weather tight seal between the roof window and the roof.
Pleated material to ensure a flexible and tight seal to the underfelt of the roof whatever its construction
Made of diffusion open material to minimise the risk of condensation
Comes with transverse drainage gutter to lead water away safely and efficiently from the window.
Welded corners on the underfelt ensure watertight and simple installation.
Custom made to fit window.
10year Velux gaurantee

Velux Underfelt Collar BFX CO2 55 x 78cm

Velux Underfelt Collar BFX CO4 55 x 98cm

Velux Underfelt Collar BFX MO4 78 x 98cm

Velux Underfelt Collar BFX FO6 66 x 118cm

Velux Underfelt Collar BFX MO6 78 x 118cm

Velux Underfelt Collar BFX MO8 78 x 140cm

Velux Underfelt Collar BFX UO4 134 x 98cm

Velux Underfelt Collar BFX SO6 114 x 118cm

Velux Underfelt Collar BFX P10 94 x 160cm

Velux Underfelt Collar BFX UO8 134 x 140cm