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Core Supplement
Certificate
Relates to moisture-resistant tongue-and-groove chipboard bonded to polyurethane foam, used for reducing sound transmission through separating floors. Key factors assessed were sound insulation, floor loading and durability.
Certificate suspended May 2023. Fourth issue, dated 20th May 2021. Supersedes the third issue, dated 31st May 2018. Originally certificated on 29th March 1999.
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.
We connect trusted knowledge to customers' workflows – mitigating risk, increasing efficiency and accelerating innovation For more than 60 years, leading R&D and engineering-intensive organizations have relied on us to achieve on-time, on-budget delivery of complex projects and new products. We deliver an unparalleled combination of technical content and Artificial Intelligence (AI) technologies to surface answers from the vast universe of technical knowledge, both inside and outside the organization. In a single interface, we connect the dots between information scattered across many different sources, allowing technical professionals to make better, more informed decisions faster.