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Velux Energy Efficiency
Velux have developed a range of products that make installation easier and more energy efficient.
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BFX 1000 underfelt collar PAO
BFX underfelt collar
The BFX Collar provides a secure connection between the window and roofing -felt/ membrane.
Supplied with a galvanised steel drainage channel and full fitting instructions.
Must be ordered with windows. Cannot be sold seperately.
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BDX 2000 Insulation Collar (also includes BFX collar) PAO
BDX Insulation Collar (also includes BFX collar)
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BBX 0000 Vapour Barrier Collar PAO
BBX Vapour Barrier Collar
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