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• R505.2.5

  Fastening

  • Steel screws are self-drilling ASTM C1513, spaced and edged 1/2 in or more; subfloor takes No. 8 countersunk screws 3/8 in from edges; all screws show three threads.

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

• R602.10.10.2

  Cripple Wall Bracing for Seismic Design Category D

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

• R905.12.3

  Application

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

• R507.2.2

  Plastic Composite Deck Boards, Stair Treads, Guards or Handrails

  • Composite deck boards, treads, guards and rails meet ASTM D7032, are labelled with load and span, and have a flame spread of 200 or less.

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

• R603.9.4.2

  Hold-Down Anchor

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

• R608.8.2.3

  Lintels Without Stirrups Designed for Nonload-Bearing Conditions

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

• R321.2.1

  Window Opening Height

  • An operable window with its sill under 24 in from the floor and more than 72 in above outside grade must limit the opening to 4 in or have an ASTM F2090 device.

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

• R703.8.2.2

  Support by Ledger or Roof Construction

  • An angle on a ledger or roof needs at least three 2x6 (or 550S162) members, the first lagged with three 5/8 x 5 in lags per stud.

  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.