Velux Underfelt Collar BFX1000 CK04 55x98cm Category_Default Category/Doors/Deanta Doors/Deanta White Primed Doors The VELUX BDX insulation collar

The VELUX BDX insulation collar sits between the roof structure and the window frame and insulates the gap between the two

the DuroD3 decking is manufactured using an advanced co-extrusion process

The design features curved spouts and cross handles that are elegant and timeless ensuring you won't bore of your bathroom for years to come

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Available in 5 colour options to match the Hyperion Explorer Decking

Velux Underfelt Collar BFX1000 CK04 55x98cm Category_Default Category/Doors/Deanta Doors/Deanta White Primed Doors The VELUX BDX insulation collarhe 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 transverse drainage gutter included also prevents any water ingress around the roof opening caused by missing or broken slates or tiles above the window. Product