Withdrawn, Document not available for download
Core Supplement
Certificate
Focuses on Volsheet MB. This product is a gas barrier and damp-proof membrane designed to protect buildings from moisture, radon, methane and carbon dioxide from the ground. It is to be used above or below the slab in concrete ground floors which are not subject to hydrostatic pressure. Assesses resistance to water and water vapour, resistance to underground gases, resistance to puncture and durability.
Withdrawn. Date of withdrawal: 9 January 2017. Date of 1st issue: 8th January 2015.
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.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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