Velux BDX SK10 2000F Insulation + BFX Underfelt Recessed Collar 1140mm x 1600mm
- Velux BDX SK10 Insulation + BFX Underfelt Collar measuring 1140mm x 1600mm (45" x 63")
- Reduces heat loss and prevents cold bridging around roof window frames
- Flexible foam construction for a snug, secure fit on all standard window sizes
- Quick assembly with click fittings ensuring precise installation
- Water safely drains via a self-supporting drainage gutter for lasting weatherproofing
The Velux BDX SK10 Insulation Collar combined with the BFX Underfelt Collar offers roofers and builders a reliable solution to insulate and seal around roof windows. Designed for trade professionals and experienced DIYers, this product ensures energy efficiency by reducing heat loss and eliminating cold bridges, while providing a robust weatherproof barrier for pitched roofs. Please note that images are for illustration purposes only.
Application
Ideal for new builds, re-roofing, and loft conversions, this collar system fits standard Velux roof windows and works seamlessly with EDL, EDP, EDW, and EDZ flashings. It creates a tight, weather-resistant seal that channels water away from window openings, protecting the roof structure from moisture ingress. Installation is straightforward, saving time on site without compromising on long-term durability in typical UK weather conditions.
Dimension
- Overall size: 1140mm x 1600mm (45" x 63")
Material
- Flexible foam insulation
- Durable pleated underfelt
Type
- Roof window insulation and underfelt collar
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £150 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £150 ex VAT, standard delivery is £10 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £20 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.
