Current
Core Supplement
Information Sheet
Guidance on the use of fire and smoke containment air transfer grilles in fire resisting door assemblies; describing their role, variations and installation, with performance requirements and relevant test standards.
April 2019 edition. Supersedes the December 2018 edition. First published 2012; updated 2014 and 2018.
The Intumescent Fire Seals Association publish technical advice and guidance for architects, services engineers, building control and fire officers, relating to: fire door seals, smoke seals, glazing seals and all penetration/gap sealing problems.
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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