Velux BDX CK02 2000F Insulation + BFX Underfelt Recessed Collar 550mm x 780mm
- Velux BDX CK02 insulation collar with BFX underfelt recessed collar, sized 550mm x 780mm (21.7" x 30.7")
- Reduces heat loss and eliminates cold bridges around roof window frames
- Flexible foam construction ensures a snug, secure fit on standard window sizes
- Click fittings for quick, accurate assembly on site
- Self-supporting drainage gutter safely channels water away from the roof structure
- Designed for use with recessed EDJ or EDN flashings to maintain weatherproofing
The Velux BDX CK02 insulation collar combined with the BFX underfelt recessed collar provides a reliable, energy-efficient seal around roof window frames. Perfect for roofers, builders, and loft converters, this product helps prevent heat loss and cold bridging, safeguarding your projects against UK weather challenges. Please note, this collar is designed to fit standard window sizes and works specifically with recessed EDJ or EDN flashings.
Application
This insulation and underfelt collar set is essential for installing Velux roof windows in new builds, re-roofing jobs, and extensions. It creates a tight, weatherproof seal that improves thermal performance and ensures water is safely drained away from the roof cavity. Its flexible foam design and click fittings make it straightforward to handle and install at height, saving time while maintaining high standards of workmanship.
Dimension
- Size: 550mm x 780mm (21.7" x 30.7")
Material
- Flexible insulating foam
- Durable pleated underfelt collar
Type
- Roof window insulation collar and underfelt recessed 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.
