Double-skinned corrugated or profiled roof sheeting

Department for Communities and Local Government, (2019) Double-skinned corrugated or profiled roof sheeting. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2019 ed. Section 8: Cavities – flats, 1 (8.7). RIBA Publishing Publication, London, p. 67. ISBN 9781859469156

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Cavity barriers are not required between double-skinned corrugated or profiled insulated roof sheeting, if the sheeting complies with all of the following.
a. The sheeting is rated class A2-s3, d2 or better.
b. Both surfaces of the insulating layer are rated class C-s3, d2 or better.
c. Both surfaces of the insulating layer make contact with the inner and outer skins of cladding (Diagram 8.4).

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: cavity barrier, barrier, cavity, roof, unprotected area, absorption coefficient, floating layer, accessible threshold
Subjects: Section 08: Cavities – flats
B3: Internal fire spread (structure)
Building standards
Date Deposited: 15 Feb 2020 05:52
Last Modified: 29 Sep 2022 21:01

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