VELUX Twin Installation & Underfelt Collars

VELUX’s specially designed twin installation underfelt collar and insulation is all you need for a great finish.

Click the links to discover more about this best-selling range, and pick up the perfect product for your roofing project.

Want some advice or need to check something? Call our knowledgeable team on 01752 692760 and they’ll have all the information you need.

Products in Twin Installation:

Showing 1-13 of 13 products

Showing 1-13 of 13 products