Powerlon UltraPerm Premium Breather Membrane Roof Felt is a high-performance roofing membrane designed to provide superior weather protection and breathability for pitched roofs. This 1m x 50m roll is suitable for use in both new build and refurbishment projects, offering excellent resistance to wind-driven rain while allowing moisture vapour to escape from the building structure. The robust construction of Powerlon UltraPerm ensures long-lasting durability, easy handling, and quick installation, making it an ideal choice for professional roofers seeking reliable roof felt solutions. Compatible with a range of roofing materials, this breather membrane enhances energy efficiency by supporting effective insulation performance.