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• IBC 1404.15

  Vinyl siding and insulated vinyl siding

  • Allowed where design wind pressure is 30 psf or less; above that, show Chapter 16 compliance.

  Works withIBC 1609IBC 1403.8IBC 1403.14

  International Building Code, 2024 · Chapter 14, Exterior WallsRead 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 1404.15.2

  Installation over foam plastic insulating sheathing

  • Over foam alone, siding needs a wind rating per Table 1404.15.2 (e.g. 115 mph Exposure B with interior gypsum: −35.5 psf). Exempt over structural backing, with a maker's rating, or where the foam is designed for the load.

  Works withIBC 2603.10

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

• IBC 1404.15.1.1

  Fasteners and fastener penetration for wood construction

  • Corrosion-resistant nails, 0.313 in head, ⅛ in shank, 1¼ in penetration.

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

• IBC 1404.15.1.2

  Fasteners and fastener penetration for cold-formed steel light-fame construction

  • Corrosion-resistant screws with three threads through the steel.

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

• IBC 1404.15.1.3

  Fastener spacing

  • Mid-slot; max 16 in horizontal siding, 12 in vertical.

  International Building Code, 2024 · Chapter 14, Exterior WallsRead 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.