Velux BDX MK04 2011 780x980 Insulation Collar for Twin Installations
Now £77.69 £64.74 Was £99.60 £83.00
In stock
SKU
47213
Est. delivery: 5-7 Working Days
Est. delivery: 5-7 Working Days
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Velux BDX MK04 2011 780x980 Insulation Collar for Twin Installations
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.
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: The BDX Insulation Collar cannot be used with EDN flashings
Product Features
- ONLINE PRICE ONLY