Powerlon UltraPerm Max Breather Membrane Roof Felt is a high-performance roofing membrane designed for superior protection and breathability. Supplied in a 1.5m x 50m roll, this breather membrane is ideal for pitched roof applications, providing an effective barrier against wind, rain, and dust while allowing moisture vapour to escape from the building structure. The Powerlon UltraPerm Max Roof Felt is lightweight yet durable, making it easy to handle and install on site. Suitable for use with most roofing systems, this membrane helps improve energy efficiency and prolongs the lifespan of roof timbers by reducing condensation risks.