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// CODE SNIPPET

[F] 2604.2.4 Flame Spread

Building Code 2018 of Illinois > 26 Plastic > 2604 Interior Finish and Trim > 2604.2 Interior Trim > 2604.2.4 Flame Spread

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The flame spread index shall not exceed 75 where tested in accordance with ASTM E84 or UL 723. The smoke-developed index shall not be limited.

Exception: Where the interior trim material has been tested as an interior finish in accordance with NFPA 286 and complies with the acceptance criteria in Section 803.1.1.1, it shall not be required to be tested for flame spread index in accordance with ASTM E84 or UL 723.

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