Fire resisting ductwork - tested to BS 476 Part 24 (Blue book). British Standard version. 2nd edition
Intended to ensure that fire resisting ductwork (including smoke outlet) is correctly designed and installed in accordance with current UK legislative requirements. Provides information on current British Standard fire resistance and reaction-to-fire tests, together with recommended methods for appraisal systems for both direct and extended fields of application, and requirements for duct systems incorporating penetration seals, support systems and ancillary items. Identifies limitations in the scope of the guidance.
See also, "Fire resisting ductwork - classified according to BS EN 13501 Parts 3 and 4 - European version (Blue book). 1st edition. (ASFP, 2009)".
Published by the ASFP in conjunction with HVCA.
Amended by 2nd edition 2011.