Current
Core Supplement
Provides an explanation of the process to organise a fire resistance performance test of a loadbearing wall assembly that are tested in accordance with BS EN 1365-1:2012. Includes what information and preparation is required before commencement.
Version v1.0 August 2023.
The Structural Timber Association (STAS) was previously known as UK Timber Frame Association (UKTFA). They provide technical research and quality standard assessment to member companies across the construction supply chain.
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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