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Certificate 10/4748 Cromar Building Products Ltd. Cromar roof tile underlays. Cromar breathable membranes for use in warm non-ventilated and cold ventilated roofs. Product sheet 1

Publication Year

2014

Document Status

Withdrawn

Abstract

Relates to Cromar breathable membranes, three-layer polyolefin composite sheet materials to be used as roof tile underlays in warm non-ventilated and cold ventilated roofs.

Document History

Certificate suspended 31st May 2022. Date of second issue: 23rd April 2014. Supersedes of first issue. Originally certificated on 21st April 2010.

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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