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Certificate 23/6867 Permavent Limited. Permavent apex air and vapour permeable roof tile underlay. For use in cold ventilated and warm non-ventilated pitched roof systems. Product sheet 1
Publication Year
2023
Document Status
Current
Abstract
Relates to Permavent Apex Air and Vapour Permeable Roof Tile Underlay for use in cold ventilated and warm nonventilated pitched roof systems of up to 70° pitch. 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, durability.
Document History
First edition, dated 18th May 2023.
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.
Bucknalls Lane
Watford
BBA
UK
Website: http://www.bbacerts.co.uk
Email: clientservices@bbacerts.co.uk
Tel: +44 (0) 1923 665300
