Permavent Ltd

Permavent is a UK manufacturer specialising in high performance roofing underlays, membranes and low pitch roofing systems, with over 20 years of experience across both new build and refurbishment sectors.

The company has built a strong reputation for delivering reliable, compliant and practical solutions that respond to the demands of modern roof design, particularly in moisture management and long term durability.

Permavent supports architects, specifiers, contractors and developers in the design and delivery of robust roofing systems. The focus is not just on individual product performance, but on how each component contributes to the overall effectiveness of the building envelope.

Independently certified by the British Board of Agrément (BBA), CE and UKCA marked, and rigorously tested by the Building Research Establishment (BRE), our roofing underlays deliver proven compliance and performance.