Light Breathable Membrane Lightweight breathable and tough Triple layered high performance membrane for use in fully supported or unsupported tiled slated and metal roof systems. Waterproof high vapour permeability combined with excellent tensiletear strength makes Vent3 Light an ideal product for use in both warm and cold roof applications . Vent3 Light allows escape of water vapour from within roof whilst protecting against wind driven rain snow and dust. Made from three high tensile spunbonded polypropylene layers thermally calendared to a microporous polypropylene film and can be draped unsupported over rafters or laid directly over insulation. Features & Benefits Spunbonded polypropylene layers x3 Clean and easy to use Lightweight and flexible Excellent tensile and tear strength Waterproof membrane Long term durability UV stable 4 months exposure Warm and cold roof application Grey surface prohibits glare Requires n...