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Certificate 10/4748 Cromar Building Products Ltd. Cromar roof tile underlays. Cromar Vent3 Air for use in warm non-ventilated and cold ventilated roofs. Product sheet 5
Publication Year
2025
Document Status
Current
Abstract
Relates to an air and vapour permeable roof tile underlay for use in warm non-ventilated and cold ventilated roofs of up to 70 degrees of pitch in buildings. 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 issue: 10 April 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.
Bucknalls Lane
Watford
BBA
UK
Website: http://www.bbacerts.co.uk
Email: clientservices@bbacerts.co.uk
Tel: +44 (0) 1923 665300
