Certificate 99/3603 Frank Mercer and Sons Ltd. Frank Mercer membranes. Toughsheet 250, Toughsheet 300 and Toughsheet 500 Max damp-proof membranes. Product sheet 1
Publication Year
2017
Document Status
Withdrawn
Abstract
Relates to blown film extruded low-density polyethylene (LDPE) membranes for use in solid concrete ground floors with no hydrostatic pressure, to protect against ground moisture. Key factors assessed were resistance to water, water vapour and puncture; and durability.
Document History
Certificate suspended February 2023. - 16/03/2023 KS. Superseded by the seventh issue, dated 20th January 2021. Date of sixth issue: 15th June 2017. Supersedes the fifth issue: 19th June 2014. Originally certificated on 29th April 1999.
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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