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Velux Installation Products

The VELUX Vapour Barrier (BBX) stops warm, moist air from your home from entering your roof construction. It’s quick and easy to install in your window frame, and creates an airtight seal to protect your roof from condensation and potential damage.
The edge of the BBX vapour barrier is specifically designed to fit tightly into the window frame rebate providing an air tight seal which will assist in meeting air pressure testing of the building.

The BFX Underfelt Collar ensures a fast connection between the VELUX Roof Window and the roofing felt/membrane. It helps to protect against drafts and wind driven rain and snow around the window installation.
It comes as one piece making fitting easy, especially around the window corners.
The tranverse drainage gutter included also prevents any water ingress around the roof opening caused by missing or broken slates or tiles above the window.

The Velux BDX Insulation Collar for the ultimate in insulation, we recommend our BDX Insulation Collar.
It reduces heat loss by eliminating thermal bridges between the window and your roof structure. Also comes with BFX Underfelt Collar.



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Velux Insulation Collar - BDX
Velux Insulation Collar - BDX
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Velux Underfelt Collar - BFX
Velux Underfelt Collar - BFX
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Velux Vapour Barrier - BBX
Velux Vapour Barrier - BBX
Details 

Home | Velux Windows product range | Velux Installation Products


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