Junction of compartment wall with roof

Department for Communities and Local Government, (2019) Junction of compartment wall with roof. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2019 ed. Section 5: Internal fire spread – dwellinghouses, 1 (5.15). RIBA Publishing Publication, London, p. 52. ISBN 9781859469156

Full text not available from this repository.

Abstract

As an alternative to the provisions of paragraphs 5.12 to 5.14, the compartment wall may extend through the roof for a minimum of either of the following (see Diagram 5.2c).
a. Where the height difference between the two roofs is less than 375mm, 375mm above the top surface of the adjoining roof covering.
b. 200mm above the top surface of the adjoining roof covering where either of the following applies.
i. The height difference between the two roofs is 375mm or more.
ii. The roof coverings either side of the wall are of a material classified as BROOF(t4).

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: external wall, b4 external fire spread, height, passive stack ventilation (psv), fire compartment, contrast visually, roof, principal works, spacing, boundary
Subjects: T Technology > TH Building construction > Building standards > fire safety - volume 1: dwellings. 2019 edition - for use in england > Section 5: Internal fire spread – dwellinghouses
K Law > The Building Regulations 2010 > B3: Internal fire spread (structure)
T Technology > TH Building construction > Building standards
Date Deposited: 15 Feb 2020 06:06
Last Modified: 13 Oct 2021 19:41
URI: https://eprints.buildvoc.co.uk/id/eprint/478

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