In order to optimise energy efficiency, help reduce heat loss and condensation, VELUX offer a range of products in order to aid you with. From insulation and underfelt collars to vapour barriers, we sell these at low prices with delivery across the UK
VELUX BFX 1000 Underfelt Collaer
From £17.64ex vat
VELUX BDX 2011 Insulation and Underfelt Collar for Twin Installations
From £51.24ex vat
VELUX BDX 2000 Insulation and Underfelt Collar
From £25.20ex vat
VELUX BBX 0000 Vapour Barrier
From £18.48ex vat