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• IBC 2514.2

  Minimum thickness

  • Reinforced gypsum concrete at least 2 in thick (1½ in on formboard with short spans and light loads).

  Works withIBC 2601IBC Chapter 26

  International Building Code, 2024 · Chapter 25, Gypsum Panel Products and PlasterRead the full text (opens UpCodes in a new tab)

• R905.10.6

  Underlayment

  International Residential Code, 2024 · Chapter 9, Roof AssembliesRead the full text (opens UpCodes in a new tab)

• IBC 2512.8.1

  Admixtures

  • Requirements for admixtures.

  International Building Code, 2024 · Chapter 25, Gypsum Panel Products and PlasterRead the full text (opens UpCodes in a new tab)

• R606.12.2.3.3

  Minimum Reinforcement Requirements for Masonry Shear Walls

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

• M1504.2

  Duct Length

  • Exhaust and supply duct lengths stay within Table M1504.2 by fan rating, diameter and duct type, less 15 ft per elbow; no limit if built to the maker's design or the installed flow is measured.

  International Residential Code, 2024 · Chapter 15, Exhaust SystemsRead the full text (opens UpCodes in a new tab)

• E3608.1.1.2

  Installation

  • Bond around water meters and filters; a water-pipe electrode is always supplemented by another electrode, with the sole jumper to a rod/pipe/plate no larger than 6 Cu / 4 Al (NEC 250.53(D), (E)).

  International Residential Code, 2024 · Chapter 36, ServicesRead the full text (opens UpCodes in a new tab)

• M2004

  Water Heaters Used for Space Heating

  International Residential Code, 2024 · Chapter 20, Boilers and Water HeatersRead the full text (opens UpCodes in a new tab)

• R323.2

  Platform Lifts

  International Residential Code, 2024 · Chapter 3, Building PlanningRead 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.