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Ref: 835
Velux Underfelt CollarEnsure 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 window10 year Velux gaurantee.
Ref: 857
Quantity:
Velux Vapour Barrier BBX 0000 CO2 55 x 78cm
Ref: 858
Velux Vapour Barrier BBX 0000 CO4 55 x 98cm
Ref: 859
Velux Vapour Barrier BBX 0000 MO4 78 x 98cm
Ref: 860
Velux Vapour Barrier BBX 0000 FO6 66 x 118cm
Ref: 862
Velux Vapour Barrier BBX 0000 MO8 78 x 140cm
Ref: 861
Velux Vapour Barrier BBX 0000 MO6 78 x 118cm
Ref: 863
Velux Vapour Barrier BBX 0000 UO4 134 x 98cm
Ref: 864
Velux Vapour Barrier BBX 0000 SO6 114 x 118cm
Ref: 865
Velux Vapour Barrier BBX 0000 P10 94 x 160cm
Ref: 866
Velux Vapour Barrier BBX 0000 UO8 134 x 140cm
