Velux Window Vapour Barrier BBX CK06 55 x 118cm board-installation Comes complete with flexible hoses

Comes complete with flexible hoses

Rooftec Bitumen Mastic is normally used when there are larger cracks or gaps on a roof that need filling before other waterproofing solutions can be used to cover a larger area

Designed for versatility

modern design with a beautifully crafted lever handle mounted on a square rose

The Velux GGL SK06 306621U is suitable for roof pitches between 15-90 degrees

Velux Window Vapour Barrier BBX CK06 55 x 118cm board-installation Comes complete with flexible hosesThis Velux vapour barrier prevents warm air from entering your roof space. This creates an air tight seal preventing condensation build up. It's easy to install. Also the Velux vapour barrier forms an air tight seal preventing heat loss. Technical details Material: polyethylene Material thickness: 0. 15 mm SD value (water vapour diffusion resistance): 40 m Tape: 60 mm