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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 1,598 sections for San Antonio, TX, the 2024 IRC

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  • R703.8.4

    Anchorage

    • Veneer ties are corrugated 22-gauge strip or 9-gauge wire, embedded 1-1/2 in with 5/8 in cover, each covering 2.67 sq ft at 32 in across and 24 in up, with a 1 in airspace.
    • Openings over 16 in get extra ties within 12 in, spaced 3 ft or less around the edge.

    International Residential Code, 2024 · Chapter 7, Wall CoveringRead the full text (opens UpCodes in a new tab)

  • R302.3.6

    Shared Accessory Rooms

    • A shared accessory room is lined with 1/2 in gypsum, or 5/8 in Type X under habitable rooms; no door into a bedroom, and other doors solid and self-closing.

    International Residential Code, 2024 · Chapter 3, Building PlanningRead the full text (opens UpCodes in a new tab)

  • R403.1.3.3

    Slabs-on-Ground With Turned-Down Footings

    • In SDC D, monolithic turned-down slab edges get a No. 4 top and bottom, or a No. 5 or two No. 4s mid-depth; separate slabs get No. 3 hooked dowels at 4 ft or less.

    International Residential Code, 2024 · Chapter 4, FoundationsRead the full text (opens UpCodes in a new tab)

  • R502.11

    Floor Framing Supporting Guards

    • Floor edges carrying guards up to 44 in tall follow the edge-framing details or are engineered; truss or I-joist edges must account for guard loads.

    International Residential Code, 2024 · Chapter 5, FloorsRead 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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