Permo Air low resistance underlay is the latest roofing underlay product on the market. With a strong 3 layer breathable membrane that’s both air-open and vapour permeable, which offers a low resistance that protects against condensation that may normally form in the roofspace during the drying out period of a building, therefore no ventilation is required during the installation.

The roofing underlay is great for warm and cold roof applications too; it’s UV protected, and it can be exposed to the sun for up-to 3 months before the sun starts to degrade the material. In addition to UV exposure protection, it’s also hydrophobically treated to repel water during the wetter seasons; basically it’s an a diverse solution for roofing underlay that will save time and money.

Because the material is lightweight and portable it’s easy to install and remove. In addition to the portability the material it’s fully recyclable, so you don’t have too worry too much about it’s environmental impact either.