VELUX 1340mm x 980mm Recessed Single Window Insulation & Underfelt Collars BDX UK04 2000F
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VELUX 1340mm x 980mm Recessed Single Window Insulation & Underfelt Collars BDX UK04 2000F

Product Code: T003633

£46.80
(per EA ex VAT)
£56.16
(inc VAT)

Insulation Collar for EDL / EDP / EDZ / EDW (also includes BFX Underfelt Collar).

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

Technical details:
- Underfelt material: frothed polyethylene, heat transfer group 040
- Collar material: polypropylene
- Material thickness: 0.5 mm
- SD value (water vapour diffusion resistance): 0.03 m
- Note: For recessed installations, a version of the BDX is now available, this is supplied with the EDN and EDJ 2000 recessed flashings

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