Adopts With Amendments
Chapter 23
Wood
International Building Code 2021
[F] 2301 General
Section 2301 — General. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2301.1 Scope - Wood
Section 2301.1 — Scope - Wood. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 2301.1.1 Wood General Provisions
Section 2301.1.1 — Wood General Provisions. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2301.1.2 Lumber Grading
Section 2301.1.2 — Lumber Grading. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2301.2 Wood Member Design
Section 2301.2 — Wood Member Design. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2301.2.1 Wood General Requirements
Section 2301.2.1 — Wood General Requirements. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2301.3 Wood Construction Design Standards
Section 2301.3 — Wood Construction Design Standards. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2301.3.1 Wood Design Standards
Section 2301.3.1 — Wood Design Standards. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2302 Definitions
Section 2302 — Definitions. This section provides definitions relevant to the code. Defined terms have specific meanings that affect how requirements are applied throughout the code. Refer to the official code text for complete requirements.
[F] 2302.1 Minimum Quality
Section 2302.1 — Minimum Quality. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2302.1.1 Wood Species
Section 2302.1.1 — Wood Species. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2302.1.2 Preservative Treatment
Section 2302.1.2 — Preservative Treatment. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2302.1.3 Fire-Retardant-Treated Wood
Section 2302.1.3 — Fire-Retardant-Treated Wood. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 2302.2 Lumber grades
Section 2302.2 — Lumber grades. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303 Minimum Standards and Quality
Section 2303 — Minimum Standards and Quality. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303.1 Minimum Standards and Quality - Wood
Section 2303.1 — Minimum Standards and Quality - Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2303.1.1 Sawn lumber
Section 2303.1.1 — Sawn lumber. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303.1.10 Cross-Laminated Timber
Section 2303.1.10 — Cross-Laminated Timber. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303.1.2 Prefabricated Wood I-Joists
Section 2303.1.2 — Prefabricated Wood I-Joists. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2303.1.3 Structural Glued-Laminated Timber
Section 2303.1.3 — Structural Glued-Laminated Timber. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] 2303.1.4 Preservative-Treated Wood
Section 2303.1.4 — Preservative-Treated Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2303.1.5 Wood Structural Panels
Section 2303.1.5 — Wood Structural Panels. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] 2303.1.6 Mass Timber
Section 2303.1.6 — Mass Timber. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303.1.7 Particleboard
Section 2303.1.7 — Particleboard. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303.1.8 Hardboard
Section 2303.1.8 — Hardboard. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303.1.9 Structural Composite Lumber
Section 2303.1.9 — Structural Composite Lumber. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] 2303.2 Fire-Retardant-Treated Wood
Section 2303.2 — Fire-Retardant-Treated Wood. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 2303.3 Preservative-Treated Wood
Section 2303.3 — Preservative-Treated Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2303.4 Fire-Retardant-Treated Wood
Section 2303.4 — Fire-Retardant-Treated Wood. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 2303.5 Fiberboard
Section 2303.5 — Fiberboard. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2303.6 Hardboard
Section 2303.6 — Hardboard. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304 General Construction Requirements
Section 2304 — General Construction Requirements. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.1 General Design Requirements - Wood
Section 2304.1 — General Design Requirements - Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.1.1 Floor Framing
Section 2304.1.1 — Floor Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.1.2 Wall Framing
Section 2304.1.2 — Wall Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.1.3 Roof Framing
Section 2304.1.3 — Roof Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.1.4 Wood Sheathing
Section 2304.1.4 — Wood Sheathing. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.10 Heavy Timber Construction
Section 2304.10 — Heavy Timber Construction. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.11 Protection Against Decay
Section 2304.11 — Protection Against Decay. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.11.1 Wood Protection Against Decay
Section 2304.11.1 — Wood Protection Against Decay. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.11.2 Wood in Contact with Ground or Water
Section 2304.11.2 — Wood in Contact with Ground or Water. This section covers plumbing system requirements. Specific sizing, materials, and installation methods are in the official code text. Refer to the official code text for complete requirements.
[F] 2304.11.3 Joists and Sills
Section 2304.11.3 — Joists and Sills. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.11.4 Wood in Exterior Wall Coverings
Section 2304.11.4 — Wood in Exterior Wall Coverings. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.11.5 Wood Siding
Section 2304.11.5 — Wood Siding. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.12 Wood-Frame Construction - Conventional Light Frame
Section 2304.12 — Wood-Frame Construction - Conventional Light Frame. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.12.1 Wood in ground contact
Section 2304.12.1 — Wood in ground contact. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.12.2 Wood on concrete or masonry
Section 2304.12.2 — Wood on concrete or masonry. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.13 Protection against termites
Section 2304.13 — Protection against termites. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.2 Framing Details
Section 2304.2 — Framing Details. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.2.1 Wood Preservative Treatment
Section 2304.2.1 — Wood Preservative Treatment. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.3 Wood Framing Connections
Section 2304.3 — Wood Framing Connections. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.3.1 Fire-Retardant Treated Wood
Section 2304.3.1 — Fire-Retardant Treated Wood. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 2304.4 Preservative-Treated Wood
Section 2304.4 — Preservative-Treated Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.5 Wood Wall Framing
Section 2304.5 — Wood Wall Framing. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2304.6 Wall framing
Section 2304.6 — Wall framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.7 Wall Sheathing
Section 2304.7 — Wall Sheathing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.8 Design of Roof Framing
Section 2304.8 — Design of Roof Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2304.9 Fastening Schedule
Section 2304.9 — Fastening Schedule. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2305 General Design Requirements for Lateral-Force-Resisting Systems
Section 2305 — General Design Requirements for Lateral-Force-Resisting Systems. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2305.1 General - Lateral Force-Resisting Wood
Section 2305.1 — General - Lateral Force-Resisting Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2305.1.1 General Design for Lateral Force
Section 2305.1.1 — General Design for Lateral Force. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2305.1.2 Hold-Down Connections
Section 2305.1.2 — Hold-Down Connections. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2305.2 Wood Diaphragms
Section 2305.2 — Wood Diaphragms. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2305.3 Seismic detailing
Section 2305.3 — Seismic detailing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2306 Allowable Stress Design
Section 2306 — Allowable Stress Design. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2306.1 Allowable stress design
Section 2306.1 — Allowable stress design. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2306.1.1 Allowable Stress Design for Wood
Section 2306.1.1 — Allowable Stress Design for Wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2306.2 Wood Diaphragm and Shear Wall Design - ASD
Section 2306.2 — Wood Diaphragm and Shear Wall Design - ASD. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2306.3 Glulam design
Section 2306.3 — Glulam design. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2306.4 CLT design
Section 2306.4 — CLT design. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2306.5 Connection design
Section 2306.5 — Connection design. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2307 Load and Resistance Factor Design
Section 2307 — Load and Resistance Factor Design. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
[F] 2307.1 Engineered Wood Products
Section 2307.1 — Engineered Wood Products. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] 2307.1.1 CLT and Mass Timber
Section 2307.1.1 — CLT and Mass Timber. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2307.2 Cross-Laminated Timber
Section 2307.2 — Cross-Laminated Timber. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308 Conventional Light-Frame Construction
Section 2308 — Conventional Light-Frame Construction. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2308.1 Conventional Light-Frame Construction - General
Section 2308.1 — Conventional Light-Frame Construction - General. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2308.1.1 Conventional Light-Frame Construction
Section 2308.1.1 — Conventional Light-Frame Construction. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2308.10 Conventional Light-Frame - Wind Uplift
Section 2308.10 — Conventional Light-Frame - Wind Uplift. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.12 Seismic Requirements for Conventional Construction
Section 2308.12 — Seismic Requirements for Conventional Construction. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2308.2 Conventional wood frame construction limitations
Section 2308.2 — Conventional wood frame construction limitations. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2308.3 Braced Wall Lines - Conventional
Section 2308.3 — Braced Wall Lines - Conventional. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.4 Floor framing - conventional
Section 2308.4 — Floor framing - conventional. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.4.1 Floor Joist Sizes
Section 2308.4.1 — Floor Joist Sizes. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.5 Wall Framing
Section 2308.5 — Wall Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.5.3 Headers
Section 2308.5.3 — Headers. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.5.5 Top Plates
Section 2308.5.5 — Top Plates. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.5.8 Fireblocking
Section 2308.5.8 — Fireblocking. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 2308.6 Conventional Light-Frame - Roof and Ceiling Framing
Section 2308.6 — Conventional Light-Frame - Roof and Ceiling Framing. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.7 Conventional Light-Frame - Lateral Support
Section 2308.7 — Conventional Light-Frame - Lateral Support. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.8 Nailing Schedule
Section 2308.8 — Nailing Schedule. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2308.9 Conventional Light-Frame - Cripple Walls
Section 2308.9 — Conventional Light-Frame - Cripple Walls. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2309.1 Mass Timber Construction - General
Section 2309.1 — Mass Timber Construction - General. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2309.2 Prescriptive provisions for cold-formed steel
Section 2309.2 — Prescriptive provisions for cold-formed steel. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2310.2 Cross-laminated timber
Section 2310.2 — Cross-laminated timber. This section establishes specific code requirements. Refer to the official code text for detailed provisions, exceptions, and referenced standards. Refer to the official code text for complete requirements.
[F] 2311.2 Preservative-treated wood
Section 2311.2 — Preservative-treated wood. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2312.2 Fire-retardant-treated wood
Section 2312.2 — Fire-retardant-treated wood. This section addresses fire protection and life safety requirements. Specific provisions depend on building type, occupancy, and construction classification. Refer to the official code text for complete requirements.
[F] 2313.2 Wood trusses
Section 2313.2 — Wood trusses. This section specifies construction material requirements and standards. Refer to the official code for specific material specifications and testing standards. Refer to the official code text for complete requirements.
[F] 2314.2 Structural log members
Section 2314.2 — Structural log members. This section covers structural design and loading requirements. Specific values and calculation methods are defined in the official code text. Refer to the official code text for complete requirements.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.