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• R807.1

  Attic Access

  • Attics with 30 in of headroom over 30 sq ft or more get a 22 x 30 in access in a hall or other easy spot, with 30 in of clear headroom above a ceiling hatch.

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

• R507.2.2.5

  Installation of Plastic Composites

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

• R610.5.4

  Corner Framing

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

• R602.12

  Simplified Wall Bracing

  • Simple wall bracing works for up to three stories on concrete or masonry, walls 10 ft or less, roofs 15 ft eave-to-ridge, 130 mph or less in B or C, SDC A-C (A-B townhouses), with 1/2 in interior gypsum.

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

• R507.2.5

  Alternate Materials

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

• R507.9.1.2

  Band Joist Details

  • The house band joist behind a ledger is at least 2 in solid SPF or better, or 1 in engineered rim board, bearing fully on the structure.

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

• R1003.11.6

  Notice of Usage

  • A flue relined with a non-R1003.11.1 material gets a permanent label near the connector stating which appliance type and fuel it is limited to.

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

• R403.4.2

  Concrete Footings

  International Residential Code, 2024 · Chapter 4, FoundationsRead 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.