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NYC Building Code

§ 2603.4.1.7 — § 2603.4.1.7

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What is NYC BC § 2603.4.1.7?

Quick Answer

This section outlines the specifications for pivoted or side-hinged doors that do not require a fire protection rating. It permits the use of foam plastic insulation as a core material under certain conditions, including the thickness of the door facing. Applies to building owners involved in door installations.

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

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2603.4.1.7 Doors not required to have a fire protection rating.

BC § 2603.4.1.7

Where pivoted or side-hinged doors are permitted without a fire protection rating, foam plastic insulation, having a flame spread index of 75 or less and a smoke-developed index of not more than 450, shall be permitted as a core material without a thermal barrier where the door facing is of metal having a minimum thickness of 0.032-inch (0.8 mm) aluminum or steel having a base metal thickness of not less than 0.016 inch (0.4 mm) at any point.

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