Powerlon UltraPerm Standard Breather Membrane Roof Felt is designed to provide superior protection and ventilation for pitched roofs. This high-performance roofing membrane is vapour-permeable, allowing moisture to escape while preventing water ingress, making it suitable for both warm and cold roof applications. Supplied in a convenient 1.5m x 50m roll, Powerlon UltraPerm Roof Felt is lightweight and easy to handle, facilitating quick installation. Its robust construction ensures long-lasting durability and reliability for new builds or refurbishments. Ideal for use under tiles or slates, the membrane helps maintain a dry roofing structure and supports energy efficiency by aiding proper airflow.