Search the building code.

• N1111.1.2.2

  System Sizing

  • New equipment is sized per N1103.7 for the altered building, unless shown incompatible with the remaining system.

  International Residential Code, 2024 · Chapter 11, Energy EfficiencyRead the full text (opens UpCodes in a new tab)

• R804.3.1.1

  Minimum Ceiling Joist Size

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

• R606.6.4.2

  Vertical Lateral Support

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

• IBC 408.2

  Other occupancies

  • Parts of I-3 facilities may be other occupancies if occupants can always be released; egress through other uses meets I-3 rules, except horizontal exits into non-H uses.

  International Building Code, 2024 · Chapter 4, Special Detailed Requirements Based on Occupancy and UseRead the full text (opens UpCodes in a new tab)

• R301.2.1.5.1

  Simplified Topographic Wind Speed-Up Method

  • The simplified speed-up table covers features up to 500 ft tall; on an escarpment the higher speed extends the greater of 1.5L or 6H downwind; a result of 140 mph or more means wind design is required.

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

• M1301.4

  Plastic Pipe, Fittings and Components

  International Residential Code, 2024 · Chapter 13, General Mechanical System RequirementsRead the full text (opens UpCodes in a new tab)

• IBC 1803.5.10

  Alternate setback and clearance

  • Requirements for alternate setback and clearance; see linked sections.

  Works withIBC 1808.7

  International Building Code, 2024 · Chapter 18, Soils and FoundationsRead the full text (opens UpCodes in a new tab)

• R606.12.1

  General

  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.