550mm x 780mm (CK02), 550mm x 980mm (CK04), 550mm x 1180mm (CK06), 660mm x 1180mm (FK06), 780mm x 980mm (MK04), 780mm x 1180mm (MK06), 780mm x 1400mm (MK08), 940mm x 1400mm (PK08), 940mm x 1600mm (PK10), 1140mm x 1180mm (SK06), 1340mm x 980mm (UK04), 1340mm x 1400mm (UK08)
VELUX Insulation Collar
The VELUX Insulation Collar is a beneficial product for reducing heat loss as it eliminates thermal bridges between the roof window and roof structure.
This particular product has click fittings which contributes to an easy and accurate installation.
When purchasing this insulation collar, you will also receive a BFX Underfelt Collar as well as a transverse drainage gutter. You do not need to add the underfelt collar to your basket.
When combined with the BDX collar, installation of a roof window is made much easier as well as offering a discrete and unobtrusive finish.
The BFX Underfelt Collar also offers a quicker installation as it is made to go round the edge of your roof window.
It is made out of diffusion open material that minimises the risk of condensation on your roof window.
The transverse gutter leads water away from the head of the roof window if a tile or slate is broken above the window.
Please Note: This product cannot be used with recessed flashings. You would require a collar that has been designed specifically for recessed installation.
Please contact our sales office if you require a collar for recessed flashings.
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