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• R502.1.1.2

  End-Jointed Lumber

  • Graded finger-jointed lumber can stand in for solid lumber of the same species and grade; in fire-rated assemblies it must be marked HRA.

  International Residential Code, 2024 · Chapter 5, FloorsRead the full text (opens UpCodes in a new tab)

• R318.7.9

  Stairways in Existing Buildings

  • Altered existing stairs needn't meet new-stair rules where the space can't allow a gentler pitch.

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

• R502.12.1

  Design

  International Residential Code, 2024 · Chapter 5, FloorsRead the full text (opens UpCodes in a new tab)

• R407.1

  Wood Column Protection

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

• R608.5.5

  Construction Joints in Walls

  • Construction joints in concrete walls follow the foundation-wall rule: at supports with No. 4 bars at 24 in across them (plain walls), or mid-span in reinforced walls.

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

• R704

  Exterior Soffits and Fascias

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

• R303.2

  Labeling and Identification

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

• R905.10

  Metal Roof Panels

  • Metal panels go on solid or spaced decks; lapped seams need 3:12 (1/2:12 with sealant) and standing seams 1/4:12; materials and coatings meet the metal tables, with matching fasteners.

  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.