Unprotected areas and fire resistance

Department for Communities and Local Government, (2022) Unprotected areas and fire resistance. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2022 ed. Section 11: Resisting fire spread from one building to another, 1 (11.7). RIBA Publishing Publication, London, p. 86. ISBN 9781859469156

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Abstract

Where a fire resisting external wall has an external surface material that is worse than class B-s3, d2 and is more than 1mm thick, that part of the wall should be classified as an unprotected area equating to half its area (Diagram 11.4).

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: unprotected area, diagram d3 area, wall, fire wall, should, fire resisting (Fire resistance), fire resistance, materials, bs 8895-2:2015 material, external wall
Subjects: Section 11: Resisting fire spread from one building to another
B4: External fire spread
Building standards
Depositing User: admin
Date Deposited: 09 Jul 2022 09:34
Last Modified: 09 Jul 2022 09:34
URI: https://buildvoc.co.uk/id/eprint/1679

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