Certificate 25/7479 Permavent Ltd. Permavent Breather Membranes. For use in warm non-ventilated and cold ventilated roofs. Product sheet 1
Publication Year
2025
Document Status
Current
Abstract
Relates to a range of breather membranes for use in warm non-ventilated and cold ventilated roofs up to 70° pitch in domestic and non-domestic buildings. Key factors assessed were mechanical resistance and stability, safety in case of fire, hygiene, health and the environment, safety and accessibility in use, protection against noise, energy economy and heat retention, sustainable use of natural resources, and durability.
Document History
Date of Issue: 3rd December 2025.
Publisher Information
British Board of Agrément
The British Board of Agrément have been providing authoritative and independent information on the performance of building products for over 40 years. The certificates they produce contain data on durability, installation and compliance with Building Regulations.
