IRIS

IRIS 150 is a triple-layer breathable underlay for roofing bonded by means of a technological thermobonding process, highly vapour permeable and formed by a protective functional film on both sides of non-woven polypropylene fabric.‎ It is waterproof and regulates the flow of water vapour through the roof components.‎ • Available in 150 and 220 g/m2 versions.‎