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What is NYC BC § 2603.7?

Quick Answer

This section regulates the use of foam plastic insulation as interior finish or trim in plenums, requiring it to have a flame spread index of 75 or less and a smoke-developed index of 450 or less, tested according to ASTM E 84 or UL 723. Applies to building owners using such materials in their properties.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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2603.7 Foam plastic insulation used as interior finish or interior trim in plenums.

BC § 2603.7

Foam plastic insulation used as interior wall or ceiling finish or as interior trim in plenums shall exhibit a flame spread index of 75 or less and a smoke-developed index of 450 or less when tested in accordance with ASTM E 84 or UL 723 and shall comply with one or more of Sections 2603.7.1, 2603.7.2 and 2607.3.

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