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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).

4 sections matching “IBC 115” for San Antonio, TX, the 2024 IRC and IBC

  • IBC 202

    Concrete

    • Types by aggregate: carbonate (limestone or dolomite, 40% or less quartz), siliceous (over 40% quartz), lightweight (85 to 115 pcf), sand-lightweight (105 to 120 pcf), and about 30 pcf insulating cellular, perlite and vermiculite concretes.

    Works withIBC 722

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

  • IBC 202

    Hurricane-prone regions

    • The Atlantic and Gulf coasts where Risk Category II basic wind speed exceeds 115 mph, plus Hawaii, Puerto Rico, Guam, the Virgin Islands and American Samoa.

    Works withIBC 1609

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

  • IBC 1504.8

    Wind resistance of aggregate-surfaced roofs

    • Aggregate-surfaced roofs need perimeter parapets per Table 1504.8 by gravel size, roof height, exposure and wind speed (e.g. No. 7 gravel, 30 ft roof, Exposure C, 115 mph: 24 in). Exposure D adds 8 in.

    Works withIBC 1504.5IBC 1609IBC 1505IBC Table 1504.8IBC Chapter 26

    International Building Code, 2024 · Chapter 15, Roof Assemblies and Rooftop StructuresRead the full text (opens UpCodes in a new tab)

  • 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)

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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