Certificate 12/4957 Seymour Global Limited t/a Premcrete. Premcrete gas resistant membranes. Hydroprufe 9000. Product sheet 1
Publication Year
2016
Document Status
Withdrawn
Abstract
Relates to a LDPE gas barrier and damp-proof membrane in solid concrete ground floors not prone to hydrostatic pressure, to protect against moisture, radon, methane and carbon dioxide from the ground. Key factors assessed were resistance to water and water vapour, resistance to underground gases, resistance to puncture and durability.
Document History
Second issue, dated 7th September 2016. Originally certificated on: 11th January 2013. Certificate withdrawn January 2023, KS 10/02/2023.
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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