Permo Air is the most breathable, air-open membrane on the market. It minimises the risk of condensation forming in the roof; particularly during the drying out period of a building.
Klober Permo Air 50m x 1m Underlay
- Conforms to the requirements of BS5534:2014 when installed within a ventilated cold pitched roof
120g/m2; 50m x 1m roll; Weight 6kg per roll
*BBA Certifcate available on request