Cromar Vent3 Pro Breathable Felt 1m x 50m

Cromar Vent3 Pro is a triple layer fabric, high performance breather membrane, made from high tensile spun bonded polypropylene layers, around a micro-porous polypropylene film. Designed for use in a fully supported or unsupported tiled, slated or metal roof system. Superior moisture vapour permeability is achieved whilst maintaining the highest levels of water resistance. Vent3 Pro has a printed dark green upper surface and white under-face