Permo Forte is a strong laminated sheet material, with outer layers of polypropylene, an inner layer of microporus polyethylene film and re-inforcement mesh.
Permo Sec is a vapour permeable waterproofing barrier that is installed as a separating layer between copper, Zinc, Aluminium and stainless steel standing seam roof finishes and the supporting deck.
Permo air is the most breathable air open low resistance underlay on the market. It is the ideal solution where there is a high risk of condensation forming in the roofspace. Permo® air is a strong 3 layer product consisting of UV stabilised PP fleece and a high performance Meltblown layer.
