Velux Underfelt Collar BFX1000 MK04 78 x 98cm
Velux Underfelt Collar BFX1000 MK04 78 x 98cm more
he 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 transerse drainage gutter included also prevents any water ingress around the roof opening caused by missing or broken slates or tiles above the window.
- Can be used in all roofing constructions in roof pitches between 15º and 90º.
- Is well suited for roofs with or without battens.
- Can be used for both ventilated and unventilated constructions.
- The underfelt collar is pleated and can be easily dressed round the battens of the roof, irrespective of the batten distance.
- Special diffusion open underfelt of polypropylene and galvanised steel drainage gutter.
Delivery Options and FAQs
We offer delivery tiers based on the size of your order on most products:
|LPD Delivery||Calculated at basket|
Insulation Charges ONLY
|£240 - £350||£60|
|£350 - £750||£40|
Timber Charges ONLY
|£240 - £499||£60|
A basket containing items from two or more delivery tiers will be charged at the highest tier.
For bulky deliveries we will call or text to arrange a suitable delivery date. Please ensure you provide an appropriate mobile number at the checkout.
All bulky and pallet orders will be delivered by large lorry to the kerbside. Please ensure there is suitable access to the delivery address before ordering.
Please note a signature is required for all bulky and pallet deliveries.
Should you have any questions regarding your delivery you can contact us via live chat or email by visiting our Contact Us page.
For more information please refer to our full Terms & Conditions.
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