VELUX BDX UK08 2000F insulation collar for recessed installation 134x140cm building-hardware Board Depth: Varies per product

Board Depth: Varies per product

Its robust construction ensures it remains firmly in place

The white and black colour scheme not only adds a sleek

our 4m woodgrain effect hollow composite deck boards will satisfy your needs

allowing you to enjoy your outdoor areas without the nuisance of insects

VELUX BDX UK08 2000F insulation collar for recessed installation 134x140cm building-hardware Board Depth: Varies per productThe VELUX BDX insulation collar sits between the roof structure and the window frame and insulates the gap between the two, which reduces heat loss. The insulation collar also includes the BFX underfelt collar in the package. The BFX ensures a weather tight seal between the roof window and the roof. The BDX 2000 comprises of three installation products Insulation Collar (BDX), Underfelt Collar (BFX), and drainage gutter. Together they seal and