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NYC Building Code

§ 602.4.1 — § 602.4.1

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What is NYC BC § 602.4.1?

Quick Answer

This section permits the use of fire-retardant-treated wood framing and sheathing within exterior wall assemblies that are at least 6 inches thick and have a fire-resistance rating of 2 hours or less. Applies to building owners involved in construction or renovation projects.

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

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602.4.1 Fire-retardant-treated wood in exterior walls.

BC § 602.4.1

Fire-retardant-treated wood framing and sheathing complying with Section 2303.2 shall be permitted within exterior wall assemblies not less than 6 inches (152.4 mm) in thickness with a 2-hour rating or less.

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