WebCLASSIFICATION FLAME SPREAD INDEX SMOKE DEVELOPED Class A 0 – 25 < 450 Class B 26 – 75 < 450 Class C 76 – 200 < 450 Uniform Building Code (UBC) (issued by ICBO) Section 4204 and Basic Building Code (issued by BOCA) Section 922.5.3 CLASSIFICATION FLAME SPREAD INDEX SMOKE DEVELOPED Class I 0 – 25 < 450 … WebCLASSIFICATION FLAME SPREAD INDEX SMOKE DEVELOPED Class A 0 – 25 < 450 Class B 26 – 75 < 450 Class C 76 – 200 < 450 Uniform Building Code (UBC) (issued by ICBO) Section 4204 and Basic Building Code (issued by BOCA) Section 922.5.3 CLASSIFICATION FLAME SPREAD INDEX SMOKE DEVELOPED Class I 0 – 25 < 450 …
2024 INTERNATIONAL BUILDING CODE (IBC) ICC …
WebJul 31, 2024 · What to Know. Flame Spread Rating Index = A numerical reference that measures how fast and far a flame spreads during a 10-minute test. Class A = Flame Spread Index of 25 or less; the best … WebClass A Interior Finish: Flame Spread 0 - 25. Class B Interior Finish: Flame Spread 26 - 75. Class C Interior Finish: Flame Spread 76 - 200. The classification rating shall be … photography by majorie
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WebClass A = Flame spread index 0–25; smoke-developed index 0–450. Class B = Flame spread index 26–75; smoke-developed index 0–450. Class C = Flame spread index … WebThe flame spread is determined by visual means (through windows) and the smoke developed measured by an optical cell mounted at the tunnel exhaust. This test continues to be used to determine the surface flame spread of wall and ceiling finishes. WebTextile wall and ceiling coverings and expanded vinyl wall and ceiling coverings shall have a Class A flame spread index in accordance with ASTM E84 or UL 723 and be protected by an automatic sprinkler system installed in accordance with Section 903.3.1.1 or 903.3.1.2. Test specimen preparation and mounting shall be in accordance with ASTM E2404. how many yards do olympic swimmers swim