VELUX Coupled Installation & Underfelt Collars

Working with coupled window installation? Browse our selection of VELUX insulation and underfelt collar products.

Click the links to find the right product for your project, developed for windows measuring 55cm by 78cm up to 134cm by 140cm.

Do you need to talk about your project before placing your order? Feel free to call our friendly team on 01752 692760, they’ll happily help.

Products in Coupled Installation:

Showing 1-19 of 19 products

Showing 1-19 of 19