Department for Communities and Local Government, (2019) Construction and fixings for cavity barriers. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2019 ed. Section 5: Internal fire spread – dwellinghouses, 1 (5.21). RIBA Publishing Publication, London, p. 55. ISBN 9781859469156
Full text not available from this repository.Abstract
Cavity barriers in a stud wall or partition, or provided around openings, may be formed of any of the following.
a. Steel, a minimum of 0.5mm thick.
b. Timber, a minimum of 38mm thick.
c. Polythene-sleeved mineral wool, or mineral wool slab, under compression when installed in the cavity.
d. Calcium silicate, cement-based or gypsum-based boards, a minimum of 12mm thick.
These do not necessarily achieve the performance specified in paragraph 5.20.
NOTE: Cavity barriers provided around openings may be formed by the window or door frame, if the frame is constructed of steel or timber of the minimum thickness in (a) or (b), as appropriate.
| Item Type: | Book Section |
|---|---|
| Additional Information: | mml-maui-text-analytics-keywords |
| Uncontrolled Keywords: | cavity barrier, barrier, cavity, forms, framed wall, accessible threshold |
| Subjects: | Section 05: Internal fire spread – dwellinghouses B3: Internal fire spread (structure) Building standards |
| Date Deposited: | 15 Feb 2020 06:06 |
| Last Modified: | 29 Sep 2022 21:01 |
| URI: | https://buildvoc.co.uk/id/eprint/493 |
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