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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).

6 sections matching “IBC 705.5” for San Antonio, TX, the 2024 IRC

  • IBC 705.5

    Fire-resistance ratings

    • Exterior walls are rated per Table 601 and Table 705.5; walls with FSD over 10 ft are rated from inside only, 10 ft or less from both sides.
    • Groups A, B, E, F-2, I, R, S-2, U: under 5 ft 1 hour; 5–10 ft 1 hour; 10–30 ft 1 hour (0 for IIB and VB); 30 ft or more 0. F-1, M, S-1: 2 / 1–2 / 0–1 / 0. H: 3 / 2–3 / 1–2 / 0. R-3 of IIB/VB and private garages need no rating at FSD 5 ft or more.

    Works withIBC 601IBC Table 705.5IRC R302.1

    International Building Code, 2024 · Chapter 7, Fire and Smoke Protection FeaturesRead the full text (opens UpCodes in a new tab)

  • IBC 704.9

    Exterior structural members

    • Exterior load-bearing members take the highest of Table 601 for the element, Table 601 for exterior bearing walls, and Table 705.5.

    Works withIBC 601IBC 705.5

    International Building Code, 2024 · Chapter 7, Fire and Smoke Protection FeaturesRead 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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