Department for Communities and Local Government, (2019) Rooflights. In: Approved Document B: Fire Safety - Volume 1: Dwellings. 2019 ed. Section 4: Wall and ceiling linings, 1 (4.14). RIBA Publishing Publication, London, p. 45. ISBN 9781859469156

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In rooms and circulation spaces other than protected stairways, rooflights may be constructed of thermoplastic material if they comply with both of the following.
a. The lower surface is classified as TP(a) rigid or TP(b).
b. The size and location of the rooflights follow the limits in Table 4.2, Table 12.2 and Table 12.3.

Item Type: Book Section
Additional Information: mml-maui-text-analytics-keywords
Uncontrolled Keywords: thermoplastic material, rooflight, protected stairway
Subjects: Section 04: Wall and ceiling linings
B2: Internal fire spread (linings)
Building standards
Date Deposited: 15 Feb 2020 06:11
Last Modified: 29 Sep 2022 21:02

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