Department for Communities and Local Government, (2019) Unprotected areas and fire resistance. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2019 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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Official URL: https://www.gov.uk/government/publications/fire-sa...
Abstract
Where a fire resisting external wall has a 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, external wall, total useful floor area, total useful floor area, protected entrance hall/landing, communal or common (area facilities or entrances), air permeability, non-combustible material, wall, separated part |
| Subjects: | Section 11: Resisting fire spread from one building to another B4: External fire spread Building standards |
| Date Deposited: | 15 Feb 2020 05:16 |
| Last Modified: | 13 Oct 2021 19:42 |
| URI: | https://buildvoc.co.uk/id/eprint/720 |
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