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• R802.7

  Cutting, Drilling and Notching

  • Roof member notches and holes follow the floor joist rules; rafter tails may be notched if 3-1/2 in remains and the overhang is 24 in or less; ceiling joist taper cuts are a quarter of the depth at most.

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

• IBC 202

  Windborne debris region

  • Parts of hurricane-prone regions within 1 mile of the coast with Exposure D upwind and V of 130 mph or more, or anywhere V is 140 mph or more, using the maps for the building's risk category.

  Works withIBC 1609.2

  International Building Code, 2024 · Chapter 2, DefinitionsRead the full text (opens UpCodes in a new tab)

• R507.9.1.4

  Alternate Ledger Details

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

• P2906.16

  Flared Joints

  • Flared water tubing joints are reamed and flared with approved fittings.

  International Residential Code, 2024 · Chapter 29, Water Supply and DistributionRead the full text (opens UpCodes in a new tab)

• R302.4.1.1

  Fire-Resistance-Rated Assembly

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

• IBC 1609.4.3

  Exposure categories

  • Exposure B: urban/wooded roughness 1,500 ft upwind (2,600 ft or 20h for taller than 30 ft). Exposure D: open water or flats 5,000 ft or 20h. Otherwise C.

  International Building Code, 2024 · Chapter 16, Structural DesignRead the full text (opens UpCodes in a new tab)

• R608.1.2

  Other Concrete Walls

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

• E3611

  Grounding Electrode Conductor Connection to the Grounding Electrodes

  International Residential Code, 2024 · Chapter 36, ServicesRead 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.