VELUX BBX 0000 Vapour Barrier Size (w x h):UK10 (134 x 160 cm) The BDX Insulation Collar is

The BDX Insulation Collar is suitable for use with EDL / EDP / EDT and EDW flashing kits and comes complete with BFX Underfelt Collar

VELUX flat roof windows for smoke ventilation keep escape and fire access routes free by leading smoke and heat up and out of a burning building

Clay Plain Tile Fixing Guide

Colour - Red Smooth

making them a preferred choice for professional roofers and builders

VELUX BBX 0000 Vapour Barrier Size (w x h):UK10 (134 x 160 cm) The BDX Insulation Collar isDescription: The VELUX Vapour Barrier BBX stops warm, moist air from your home from entering your roof construction. Its quick and easy to install in your window frame, and creates an airtight seal to protect your roof from condensation and potential damage. The edge of the BBX vapour barrier is specifically designed to fit tightly into the window frame rebate providing an air tight seal which will assist in meeting air pressure testing of the