Velux Vapour Barrier - BBX

Velux Underfelt Collar
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 that minimises the risk of condensation.
Comes with transverse drainage gutter to lead water safely and efficiently away from the window.
Welded corners on the underfelt collar ensure watertight and simple installation.
Custom made to size of window
10 year Velux gaurantee.

Velux Vapour Barrier BBX 0000 CO2 55 x 78cm

Velux Vapour Barrier BBX 0000 CO4 55 x 98cm

Velux Vapour Barrier BBX 0000 MO4 78 x 98cm

Velux Vapour Barrier BBX 0000 FO6 66 x 118cm

Velux Vapour Barrier BBX 0000 MO8 78 x 140cm

Velux Vapour Barrier BBX 0000 MO6 78 x 118cm

Velux Vapour Barrier BBX 0000 UO4 134 x 98cm

Velux Vapour Barrier BBX 0000 SO6 114 x 118cm

Velux Vapour Barrier BBX 0000 P10 94 x 160cm

Velux Vapour Barrier BBX 0000 UO8 134 x 140cm