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• R325.2

  Bathrooms

  • Bathrooms have at least 3 sq ft of window, half of it openable, unless they have artificial light and an exhaust fan to outdoors.

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

• R606.12.3.5

  Lateral Tie Anchorage

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

• R1002.1

  Definition

  • A masonry heater is a solid-fuel masonry appliance that stores heat by routing exhaust through internal channels, including a horizontal or downward run before the chimney, and radiates it from its surface.

  International Residential Code, 2024 · Chapter 10, Chimneys and FireplacesRead the full text (opens UpCodes in a new tab)

• R406.3.1

  Panel Joint Sealed

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

• R607.2

  Materials

  • Glass block has faces at least 3/16 in, coated edges, standard units 3-7/8 in thick, thin units 3-1/8 in (3 in solid); no reclaimed block.

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

• R802.5

  Ceiling Joists

  • Ceiling joists run continuous or are joined over partitions, are nailed to the plates, and are sized from the ceiling joist span tables (10 psf no storage or 20 psf limited storage).

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

• R905.8.9

  Valley Flashing

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

• R703

  Exterior Wall Covering

  International Residential Code, 2024 · Chapter 7, Wall CoveringRead 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.