BS 476-3:1975
Withdrawn
Date published:
Fire tests on building materials and structures, External fire exposure roof test
Designed to measure the ability of a representative section of a roof, rooflight, dome light or similar components to resist penetration by fire, when its external surface is exposed to heat radiation and flame. Also measures the extent of surface ignition.
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Related Information
13.220.50 Fire-resistance of building materials and elements
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BS 476-3:1975
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