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NYC Mechanical Code

§ 1305.7.3 — § 1305.7.3

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What is NYC MC § 1305.7.3?

Quick Answer

This section mandates that the outer ends of normal vent pipes must be fitted with a weatherproof vent cap or hood. Additionally, the vent caps must have a free open area that matches the cross-sectional area of the vent pipe and prohibits the use of screens finer than No. 4 mesh. Applies to building owners responsible for vent pipe installations.

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

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1305.7.3 Termination caps.

MC § 1305.7.3

Outer ends of normal vent pipes shall terminate in a weatherproof vent cap or fitting or be provided with a weatherproof hood. All normal vent caps shall have a minimum free open area equal to the cross-sectional area of the normal vent pipe and shall not employ screens finer than No. 4 mesh.

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