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• N1102.2.4

  Eave Baffle

  • Vented attics with air-permeable insulation get eave baffles at soffit vents, keeping the vent's free area, rising above the insulation and reaching the outer edge of the top plate.

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

• N1103.8

  Systems Serving Multiple Dwelling Units

  • Systems serving several dwelling units follow IECC commercial C403 and C404 instead.

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

• N1102.2.11.1

  Crawl Space Wall Insulation Installation

  • Crawl wall insulation runs from the sill to the top of the footing (or the crawl floor if over 24 in below grade), and exposed earth gets a sealed Class I vapor retarder lapped 6 in and run 6 in up the walls.

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

• N1110

  Additions

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

• N1104.2.2

  Specific Locations

  • Lights in garages, unfinished basements, laundry and utility rooms shut off automatically within 20 minutes of vacancy, with a manual switch.

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

• N1113

  Change of Occupancy or Use

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

• N1102

  Building Thermal Envelope

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

• N1111

  Alterations

  International Residential Code, 2024 · Chapter 11, Energy EfficiencyRead 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.