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• IBC 304.1

  Business Group B

  • Group B: offices, professional and service transactions and records, such as banks, clinics, ambulatory care, salons, post offices, labs, showrooms, schooling above 12th grade, tutoring and martial arts studios, and food processing or commercial kitchens up to 2,500 sq ft not tied to a restaurant.

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 304.2

  Airport traffic control towers

  • Airport traffic control towers follow 412.2.

  Works withIBC 412.2

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 304.3

  Ambulatory care facilities

  • Ambulatory care facilities follow Section 422.

  Works withIBC 422

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 304.4

  Higher education laboratories

  • Higher education labs follow Section 428.

  Works withIBC 428

  International Building Code, 2024 · Chapter 3, Occupancy Classification and UseRead the full text (opens UpCodes in a new tab)

• IBC 2304.1

  General

  • General scope for Section 2304.

  Works withIBC 2302.1

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 2304.8

  Floor and roof sheathing

  • Floor and roof sheathing spans per Tables 2304.8(1)–(5) (e.g. 24/16 panel: 24 in roof, 16 in floor; 48/24: 48 in roof, 24 in floor).

  Works withIBC 2304.8.1IBC 2304.8.2

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 602.4.4

  Type IV-HT

  • Heavy timber: noncombustible exterior walls with interior elements of solid or laminated timber or SCL, sized per 2304.11, without concealed spaces unless 602.4.4.3 is met.

  Works withIBC 2304.11

  International Building Code, 2024 · Chapter 6, Types of ConstructionRead the full text (opens UpCodes in a new tab)

• IBC 2304.11

  Heavy timber construction

  • Heavy timber minimum sizes per Table 2304.11: floor-supporting columns 8×8 sawn (6¾×8¼ glulam); floor beams 6×10; roof-only columns 6×8; roof framing 4×6 (3 in with sprinklers).

  Works withIBC 602.4IBC 2304.11.1IBC 2304.11.4IBC 2304.11.2IBC 2304.9IBC Table 2304.11

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 2104.1.1

  Support on wood

  • Masonry isn't supported on wood except as 2304.13 allows.

  Works withIBC 2304.13

  International Building Code, 2024 · Chapter 21, MasonryRead the full text (opens UpCodes in a new tab)

• IBC 2304.6.1

  Wood structural panel sheathing

  • Wall sheathing as exposed finish is exterior grade; otherwise Exposure 1. Table 2304.6.1 limits wind speed by panel, nail and stud spacing (e.g. 7/16 in panel, 8d at 6/12, studs 16 in: 170 mph Exp. B).

  Works withIBC 1609IBC 2305IBC 2308IBC Table 2304.6.1

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 2304.9.1

  General

  • General scope for Section 2304.

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 1404.15.1

  Application

  • Over sheathing per 2304.6, with WRB per 1402, installed per the maker.

  Works withIBC 2304.6IBC 1402.2

  International Building Code, 2024 · Chapter 14, Exterior WallsRead the full text (opens UpCodes in a new tab)

• IBC 2304.10.2

  Fastener requirements

  • Wood connections meet the fastening schedule in Table 2304.10.2 (e.g. top plate splices 8-16d each side with 24 in lap; rafter to plate 3-10d toenails; stud to stud 16d at 24 in).

  Works withIBC 2302.1IBC 2308.11.3.1IBC 2308.11.4IBC 2305IBC 104.2.3IBC Table 2304.10.2IBC Table 2308.11.3.1IBC Table 2308.11.4

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 2304.9.3.1

  General

  • General scope for Section 2304.

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 2304.9.4.1

  General

  • General scope for Section 2304.

  International Building Code, 2024 · Chapter 23, WoodRead the full text (opens UpCodes in a new tab)

• IBC 2304.9.5.1

  General

  • General scope for Section 2304.

  International Building Code, 2024 · Chapter 23, WoodRead 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.