Cromar Vent3 is a lightweight, high-performance breathable roof membrane. Attached with a triple layer high-performance breathable membrane made from two high tensile spun bonded polypropylene layers that are thermally calendared to a microporous polypropylene film. Measuring 50 x 1m (L x W), the product has a UV resistance stable for up to 4 months and designed for fully supported or unsupported tiled, slated and metal roof systems. The Vent3 Light has full moisture vapour permeability which ma

Brand Name	Cromar