Powerlon UltraPerm is a high performance underlay for all roof types and walls in timber frame structures. UltraPerm membranes can be used on warm and cold, supported and unsupported, ventilated and unventilated roofs. Ultra Perm is a non woven composite membrane with exceptional water vapour transmission, hydrophobic characteristics and good UV stability.
Key Features:
- UltraPerm Max 155gsm
- Economy breather membrane / roof underlay
- BBA certified for roof & wall applications
- CE certificate
- Suitable for all pitched roof designs including un/ventilated, warm and cold, un/supported
