Search the building code.

• E3908.7

  Load-Side Grounded (Neutral) Conductor

  • Past the service disconnect, the neutral never bonds to equipment or EGCs (NEC 250.24(A)(5)).

  International Residential Code, 2024 · Chapter 39, Power and Lighting DistributionRead the full text (opens UpCodes in a new tab)

• R404.2.5

  Drainage and Dampproofing

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

• R703.2

  Water-Resistive Barrier

  • Every exterior wall gets at least one continuous water-resistive barrier behind the siding and deck ledgers: No. 15 felt, ASTM E2556 wrap, foam WRB systems or tested alternatives.
  • Felt and house wrap run horizontally, lapped 2 in at horizontal seams and 6 in at vertical joints.
  • Unconditioned sheds and playhouses skip the barrier if the siding is on bare studs, the walls are uninsulated and unfinished inside.

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

• R325.5

  Outside Opening Protection

  • Exterior intake and exhaust openings have corrosion-resistant screens with openings of 1/4 to 1/2 in.

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

• R804.2.2

  Corrosion Protection

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

• IBC 202

  Fire-retardant-treated wood

  • Wood impregnated with chemicals, under pressure or in manufacture, to cut surface burning and flame spread.

  Works withIBC 2303.2

  International Building Code, 2024 · Chapter 2, DefinitionsRead the full text (opens UpCodes in a new tab)

• R506

  Concrete Floors (On Ground)

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

• R905.2.4

  Asphalt Shingles

  International Residential Code, 2024 · Chapter 9, Roof AssembliesRead 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.