Certificate 13/5025 CB Production Sp. z.o.o. Corotop breather membranes. For use in warm non-ventilated and cold ventilated roofs. Product sheet 1
Publication Year
2019
Document Status
Withdrawn
Abstract
Relates to flexible, three-layer polypropylene breather membranes to be used in warm non-ventilated and cold ventilated pitched roof systems as roof tile underlays. Key factors assessed were weathertightness, risk of condensation, wind loading, strength and durability.
Document History
Certificate withdrawn 1st August 2022. Fourth issue, dated 10th June 2019, amended June 2020. Originally certificated on 19th August 2013.
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.
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