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Every 2024 IRC section and the IBC as it loads, by number or topic, plus the local rules for your city. Free to search.

Detached houses, duplexes and townhouses up to 3 stories with their own exits use the IRC; every other building uses the IBC (IBC 101.2).

A random sample from 1,053 sections for San Antonio, TX, the 2024 IRC

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  • G2401.1

    Application

    • Covers fuel gas piping from the point of delivery to appliance shutoffs, gas appliances, venting and combustion air in homes; anything not covered follows the IFGC. Excludes LNG, temporary LP, utility piping, portable appliances and vehicle fuel systems.

    Local review: San Antonio enforces fuel gas rules through its adopted fuel gas code with local amendments, and CPS Energy sets meter and service requirements; check both before relying on these model values.

    International Residential Code, 2024 · Chapter 24, Fuel GasRead the full text (opens UpCodes in a new tab)

  • G2439.2

    Duct Penetrations

    • Dryer ducts don't pass through fireblocking or rated assemblies unless steel or aluminum with the rating kept; no fire dampers.

    International Residential Code, 2024 · Chapter 24, Fuel GasRead the full text (opens UpCodes in a new tab)

  • G2415.14.1

    Conduit With One End Terminating Outdoors

    • Under-building conduit vented outdoors is sealed indoors, extends 2 in above the floor and 4 in outside, and is vented above grade.

    International Residential Code, 2024 · Chapter 24, Fuel GasRead the full text (opens UpCodes in a new tab)

Searches all 4,276 IRC 2024 sections, 5,532 IBC 2024 sections and defined terms (Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 so far) and each city's local rules as they are added. Section numbers and titles from the International Residential Code and International Building Code, 2024 editions, copyrighted by the International Code Council; the IRC's electrical chapters (34 to 43) follow NFPA 70, the National Electrical Code. Requirements are summarized in our words (IRC Chapters 3 to 43, IBC Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33); read the full text at the link on each result. Local values come from each city's published documents.

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