New York City · Through Local Law 2026/135 (enacted August 31, 2026)

N.Y.C. Admin. Code § 27-854: § 27-854 General requirements.

Where this section sits in the code

New York City Administrative Code
Title 27
Chapter 1: Building Code

Chimneys or gas vents shall be designed and constructed so as to provide the necessary draft and capacity to completely exhaust the products of combustion to the outside air, and to satisfy the following conditions:

(a) Temperature. The temperature on adjacent combustible surfaces shall not be raised above one hundred sixty degrees Fahrenheit.

(b) Condensation. The condensation shall not be developed to an extent that can cause rapid deterioration of the chimney or vent.

Collected 2026-09-06T02:48:57Z. Source file · JSON

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