Proctor Air® Roof Felt is a high-performance breathable roofing membrane designed for use as a pitched roof underlay beneath slate and tile coverings. It provides effective secondary weather protection while allowing moisture vapour to escape from the roof structure, helping to manage condensation risk in modern insulated roofs.
Engineered for use in warm and cold pitched roof constructions, Proctor Air® Roof Felt combines excellent breathability with reliable resistance to wind-driven rain and snow when installed as part of a compliant roof build-up. Its durable construction offers good tensile strength and tear resistance, making it suitable for demanding site conditions during installation.
The membrane is suitable for use in accordance with BS 5534 and relevant UK building regulations, making it a trusted choice for professional roofers, contractors and specifiers working on new build and refurbishment projects.
Proctor Air® Roof Felt is lightweight, easy to handle and quick to install, supporting efficient roofing workflows without compromising performance or compliance.






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