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NYC Building Code

§ 2603.4.1.14 — § 2603.4.1.14

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What is NYC BC § 2603.4.1.14?

Quick Answer

This section outlines the requirements for thermal barriers on structural floor systems containing foam plastic insulation. It specifies that a thermal barrier is not needed on the walking surface if covered by a minimum 1/2-inch-thick wood structural panel, but is required on the underside if exposed to the building's interior. Applies to building owners managing structural floor systems with foam insulation.

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

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2603.4.1.14 Floors.

BC § 2603.4.1.14

The thermal barrier specified in Section 2603.4 is not required to be installed on the walking surface of a structural floor system that contains foam plastic insulation when the foam is covered by a minimum nominal 1/2-inch-thick (12.7 mm) wood structural panel or approved equivalent. The thermal barrier specified in Section 2603.4 is required on the underside of the structural floor system that contains foam plastic insulation when the underside of the structural floor system is exposed to the interior of the building. Exception: Foam plastic used as part of an interior floor finish.

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