What are the considerations for metal framed suspended ceilings in protected entrance halls to flats?

National House Building Council, What are the considerations for metal framed suspended ceilings in protected entrance halls to flats? In: Frequently asked questions on Building Regulations Part B: Fire Safety. TBA ed. Frequently asked questions on Building Regulations . National House Building Council, p. 1.

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Abstract

If the metal framed suspended ceilings are erected and lined with plasterboard prior to the construction of the internal partitions, consideration would need to be given to the prevention of the fire spreading within the void and over the partitions enclosing the protected entrance halls.

The installation of 30 minutes cavity barriers positioned vertically in line with partitions surrounding the protected entrance halls. Or a 30 minute horizontal cavity barrier installed throughout the whole of the flat compartment. Considerations should be given to the recessed lights that are fitted with hoods and extract duct penetrations should be suitably fire dampened.

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: b2 internal fire spread linings, suspended ceiling, direct distance, b4 external fire spread, principal works, fit-out work, protected entrance hall/landing, principal communal entrance, final certificate, cavity barrier
Subjects: T Technology > TH Building construction > Building standards
Depositing User: admin
Date Deposited: 06 Feb 2021 16:23
Last Modified: 13 Oct 2021 19:43
URI: https://buildvoc.co.uk/id/eprint/983

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