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VELUX Underfelt Collar - BFX 1000

VELUX Underfelt Collar - BFX 1000

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.

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"Condell are the best builders merchant in the Sutton area. I have used them for years and they never let me down."
Harvey - Capital House Builders,
Best local builders merchant
"Excellent service, great prices, delivered on time. What more could I ask for."
Frank - PHI Construction,
Wonderful Service!
"Remarkably good price, helpful friendly staff, a hidden gem I never realised was there."
Charlie - Beltane Building Company ,
Remarkably good price
"I use Condell Building Supplies in and around London and find the staff knowledgeable and especially helpful when sourcing special products. As well as a great website they are a old fashioned family run timber and builders merchants so many of the deliveries come directly from their yard in Sutton. I would recommend them to anyone looking for good prices and old fashioned customer service. "
Tom Pounder ,
Good Prices and Good Old Fashioned Customer Service
Condell are the best builders merchant in the Sutton area. I have used them for years and they never let me down.
Harvey - Capital House Builders
Best local builders merchant
Excellent service, great prices, delivered on time. What more could I ask for.
Frank - PHI Construction
Wonderful Service!