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Certificate 10/4748 Cromar Building Products Ltd. Cromar roof tile underlays. Cromar breathable membranes for use in cold non-ventilated roofs. Product sheet 4
Publication Year
2025
Document Status
Current
Abstract
Relates to breathable membranes for use in cold non-ventilated roofs of up to 70 degrees of pitch in dwellings. Key factors assessed were mechanical resistance and stability, fire safety, hygiene, health and the environment, safety and accessibility, protection against noise, energy economy, sustainability, and durability.
Document History
Date of third issue: 13 February 2025. Originally certified on 21 October 2022.
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
