Current
Core Supplement
Information Sheet
Guidance on the use of intumescent fire seals in timber based fire resisting door assemblies, describing what intumescent materials are, the use of intumescent door seals, why they are essential in this application, and special considerations for particular door designs.
December 2018 edition. Supersedes Role of intumescent materials in the design and manufacture of timber based fire resisting doorsets, timber doors and screens, 2014. First published 1997; updated 2009, 2010 and 2014.
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.
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