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BS 476-3.1:1983
M00000457
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BS 476-3.1:1983 Fire tests on building materials and structures — Part 31: Methods for measuring smoke penetration through doorsets and shutter assemblies — Section 31.1 Method of measurement under ambient temperature conditions
standard byBSI Group , 12/31/2024
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This Section of this British Standard describes a method for measuring smoke penetration, as represented by the measurement of air leakage rate, through doorsets and vertically oriented shutterassemblies under ambient temperature conditions.
This method is used to evaluate the performance of a fire door used for smoke control purposes but givesno information on the fire resistance of a fire door for which the methods described in BS 476-22 areapplicable.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.