Premier Slate are suppliers of a breathable membrane known as Permo air. It is the most breathable air open low resistance underlay on the market. Permo air is the ideal solution in areas where there is a high risk of condensation forming in the roofspace, especially useful for humid conditions.
Product features & benefits:
- Air open & vapour permeable
- Over 13% more breathable than any other 'air open' underlay on the market
- Lowest vapour resistance of all breathable membranes
- Being both air open & vapour permeable further minimises the risk of condensation forming
- No ventilation required
- Strong 3 layer material
- Superior nail tear strength
