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• R507.9.1.5

  Ledger Flashing

  • Flash above the ledger at least 2 in up the wall and 4 in out (or 1/4 in down its face), unless the ledger is spaced 1/4 in off the wall.

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

• R702.3

  Gypsum Board and Gypsum Panel Products

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

• R606.2.8.2

  Masonry in Seismic Design Categories A, B and C

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

• R905.11.1

  Slope

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

• R606.1

  General

  • Masonry follows this section or TMS 402, 403 or 404; drawings needn't be sealed unless state law says so.

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

• R403.3.2

  Protection of Horizontal Insulation Below Ground

  • Horizontal insulation shallower than 12 in, or reaching more than 24 in out, is covered by paving or a protective board.

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

• R607

  Glass Unit Masonry

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

• R318.7.6

  Landings for Stairways

  • Every flight has a landing at top and bottom at least as wide as the stair and 36 in deep on a straight run.
  • Landing exceptions: a door at the top that doesn't swing over the stair, a garage landing up to 7-3/4 in below the threshold, two-riser exterior stairs, and short deck stairs with a 36 in bottom landing.

  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.