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What is NYC BC § 2308.2.5?

Quick Answer

This section establishes that ceiling joist and rafter framing, as well as trusses, are limited to a maximum span of 40 feet between vertical supports. It specifies that a ridge board is not counted as a vertical support. Applies to building owners involved in construction and design.

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

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2308.2.5 Allowable roof span.

BC § 2308.2.5

Ceiling joist and rafter framing constructed in accordance with Section 2308.7 and trusses shall not span more than 40 feet (12 192 mm) between points of vertical support. A ridge board in accordance with Section 2308.7 or 2308.7.3.1 shall not be considered a vertical support.

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