Search the building code.

• R507.6.2

  Deck Joist Lateral Restraint

  • Deck joists are held against rolling; hangers or blocking are at least 60% of joist depth, and rim joists take three 10d nails or No. 10 screws per joist.

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

• R315.4

  Sleeping Loft Area

  • In a sprinklered home, a single loft may cover up to two-thirds of its room if nothing else opens to the room.

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

• R905.4.1

  Sheathing Requirements

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

• R406.3.3

  Porous Fill

  • Backfill wood foundations with footing gravel 1 ft up on well-drained sites, or halfway on poorly drained ones, covered with asphalt paper or poly.

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

• R609.7.2

  Anchorage Details

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

• R608.5.4.6

  Webs of Waffle-Grid Walls

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

• R804.1.1.1

  Alternate Applications

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

• R325.4.2

  Exhaust Openings

  • Exhaust air isn't aimed onto walkways.

  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.