Powerlon Ultraperm Max is a top of the range breather membrane / roof underlay designed for use in pitched roofs and walls in timber frame structures. This 155gsm non-woven composite membrane delivers exceptional water vapour transmission and superior vapour permeability, making it ideal for both ventilated and unventilated roofs in warm and cold roof constructions.
With its hydrophobic and breathable properties, Ultraperm Max enhances insulation efficiency while protecting the building envelope. This roof underlay offers excellent tear resistance and tensile strength, ensuring long-term durability in even the most demanding pitched roof designs.
Powerlon Ultraperm Max is easy to handle and install, featuring pre-printed marking lines for accurate placement. It is BBA certified, making it a trusted choice for unsupported or supported roof and wall applications in timber frame structures.
Ideal for use as a breather membrane or roof membrane, Powerlon Ultraperm Max offers outstanding protection and performance in all conditions.
Key Features:
- Roofing membrane with High tensile and tear resistance
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UV-resistant for temporary exposure
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Water vapour permeable and hydrophobic
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Suitable for warm and cold roof construction
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For use in roof and wall applications, including unsupported and timber frame builds
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Certified: BBA certified for compliance and peace of mind
| Order value | Delivery Charges (EX.VAT) | ||
|---|---|---|---|
| Up to £493 |
£30.00 |
||
|
£493.01 - £740 |
£20 | ||
| Over £741 | £15 | ||
