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Certificate 08/4534 Sovereign Chemicals Limited. Sovereign radon barriercoat. Product sheet 1

Publication Year

2021

Document Status

Withdrawn

Abstract

Relates to a liquid-applied, damp-proof membrane that also restricts the flow of radon gas into buildings. Key factors assessed were resistance to water, water vapour, underground gases and puncture; and durability.

Document History

Certificate withdrawn June 2024. Suspended February 2024. Third issue, dated 20th May 2021. Supersedes the second issue, dated 8th March 2017. Originally certificated on 14th March 2008.

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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