Skip to content
Built4UIQ
Log inSign up free

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

Show another sample

  • R804.3.2.5

    Roof Rafter Bottom Flange Bracing

    • Steel rafter bottom flanges are braced continuously every 4 ft with 33-mil members or straps, blocked every 12 ft.

    International Residential Code, 2024 · Chapter 8, Roof-Ceiling ConstructionRead the full text (opens UpCodes in a new tab)

  • R602.3.5

    Braced Wall Panel Uplift Load Path

    • Exterior braced panels under the roof only need schedule nailing when wind is 115 mph or less in Exposure B on 5:12 or steeper roofs spanning 32 ft or less, or net uplift is 100 plf or less; otherwise add uplift connectors.

    International Residential Code, 2024 · Chapter 6, Wall ConstructionRead the full text (opens UpCodes in a new tab)

  • R311.3

    Location

    • CO alarms go outside each sleeping area, and inside a bedroom that has a fuel-burning appliance in it or its bath.

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

  • R905.1.2

    Ice Barriers

    • Where ice dams are a known problem, run an ice barrier (two cemented layers or self-adhered) from the eave to 24 in inside the wall line, or 36 in up the slope on 8:12 and steeper roofs.

    Local review: San Antonio isn't normally an ice-dam area; check the city's Table R301.2 entry before adding an ice barrier requirement.

    International Residential Code, 2024 · Chapter 9, Roof AssembliesRead 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.

Check your plans against these codes

Start an application and get every flag with its section and fix.

Start an application