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• R403.4.1

  Crushed Stone Footings

  • Crushed stone footings for precast walls use clean angular ASTM C33 stone of 1/16 to 1/2 in, vibrated in lifts of 8 in or less, in SDC A to C only.

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

• R802.11

  Roof Tie Uplift Resistance

  • Rafters and trusses are tied down for wind uplift, unless uplift is 200 lb or less per connection (on 0.42+ specific gravity framing), or wind is 115 mph or less in Exposure B on 5:12+ roofs up to 32 ft with 24 in spacing.

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

• R311.5

  Interconnectivity

  • Multiple CO alarms are interconnected (wireless is fine); existing areas are exempt unless finishes are opened or an attic, crawl or basement gives access.

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

• R608.7.2.2.3

  Vertical Shear Reinforcement

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

• R702.2.1

  Gypsum Plaster

  International Residential Code, 2024 · Chapter 7, Wall CoveringRead the full text (opens UpCodes in a new tab)

• R502.11.2

  Timber Edge Framing

  • Without a brace at every post, the edge is a 6x10 timber or 5-1/8 x 9-1/4 glulam braced every 48 in or less.

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

• R804.2.6

  Web Holes, Web Hole Reinforcing and Web Hole Patching

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

• R603.2.5

  Fastening

  International Residential Code, 2024 · Chapter 6, Wall ConstructionRead 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.