Current
Core Supplement
Information Sheet
Provides guidance for upgrading joinery doors to achieve a given level of fire performance. Covers behaviour of the stiles and rails framework, distortion control, dealing with gaps, smoke seals, upgrading panels, composite board protection systems and glazing in doors. Summarises the procedure.
First published 2012.
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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