BREATHABLE MEMBRANE 1 X 50 METRE (50M2) VENT 3 LIGHT

An economy-breathable roof underlay for cold and warm roof applications which gives major benefits over traditional roof underlays. Vent 3 Light is a triple-layer, high-performance breathable membrane, made from two high tensile spun bonded polypropylene layers, thermally calendared to a microporous polypropylene film. Designed for use in fully supported or unsupported tiled, slated or metal roof systems. Vent 3 Light has full moisture vapour permeability, whilst maintaining the highest levels of water resistance. Vent 3 Light has a printed grey upper surface and plain grey under the face.