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Search the building code.

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 6,919 sections for San Antonio, TX, the 2024 IRC and IBC

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  • IBC 1404.15.2

    Installation over foam plastic insulating sheathing

    • Over foam alone, siding needs a wind rating per Table 1404.15.2 (e.g. 115 mph Exposure B with interior gypsum: −35.5 psf). Exempt over structural backing, with a maker's rating, or where the foam is designed for the load.

    Works withIBC 2603.10

    International Building Code, 2024 · Chapter 14, Exterior WallsRead the full text (opens UpCodes in a new tab)

  • IBC 202

    Organic peroxide

    • An organic compound with the -O-O- structure that can detonate, deflagrate or be shock sensitive; classed Unclassified detonable and Class I (most hazardous) to Class V (least).

    Works withIFC

    International Building Code, 2024 · Chapter 2, DefinitionsRead the full text (opens UpCodes in a new tab)

  • IBC 414.2.5.1

    Nonflammable solids and nonflammable and noncombustible liquids

    • M and S may exceed MAQ for nonflammable materials up to Table 414.2.5.1 (e.g. corrosives 9,750 lb/975 gal, toxics 1,000 lb/100 gal) without becoming Group H.

    International Building Code, 2024 · Chapter 4, Special Detailed Requirements Based on Occupancy and UseRead 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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