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Certificate 99/3603 Frank Mercer and Sons Ltd. Frank Mercer membranes. Toughsheet radon barrier. Product sheet 2

Publication Year

2021

Document Status

Current

Abstract

Relates to blown film extruded low-density polyethylene (LDPE) membranes for use as barriers and damp-proofing in solid concrete ground floors with no hydrostatic pressure, to protect against ground moisture and radon. Key factors assessed were resistance to water, water vapour, puncture and underground gases; and durability.

Document History

Certificate suspended February 2023. - 16/03/2023 KS. Third issue, dated 20th January 2021. Supersedes the second issue, dated 15th June 2017, amended March 2020. Originally certificated on 7th November 2016.

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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