Relates to a blend of thermoplastic polymers providing horizontal, vertical, or stepped damp-proof courses in either solid or cavity brick, block, stone or concrete walls. Key factors assessed were behaviour under load, resistance to water and water vapour, compatibility with other materials and durability.
Date of third issue: 15th October 2014. Originally certificated on 18th February 2008.
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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