Adopts With Amendments
Chapter 8
Roof-Ceiling Construction
International Residential Code 2021
[F] 801.1 Scope - Roof-Ceiling Construction
Section 801.1 — Scope - Roof-Ceiling Construction. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 801.1.1 Roof-Ceiling Construction
Section 801.1.1 — Roof-Ceiling 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] 801.2.1 Roof-Ceiling Construction Scope
Section 801.2.1 — Roof-Ceiling Construction Scope. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] 802.1 Identification
Section 802.1 — Identification. 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] 802.1.1 Wood Roof Framing
Section 802.1.1 — Wood Roof 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] 802.10 Wood Trusses - Roof
Section 802.10 — Wood Trusses - Roof. 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] 802.3 Rafter Spans
Section 802.3 — Rafter Spans. 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] 802.4 Allowable Ceiling Joist Spans
Section 802.4 — Allowable Ceiling Joist Spans. 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] 802.5 Allowable Rafter Spans
Section 802.5 — Allowable Rafter Spans. 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] 802.6 Bearing
Section 802.6 — Bearing. 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] 802.7 Cutting and Notching - Roof Members
Section 802.7 — Cutting and Notching - Roof Members. 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] 803.1 Roof Sheathing
Section 803.1 — Roof 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] 803.1.1 Roof Sheathing
Section 803.1.1 — Roof 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] R801 General Roof Construction
Section R801 — General Roof 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] R801.1 Application
Section R801.1 — Application. 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] R801.1.1 Roof-Ceiling Construction General
Section R801.1.1 — Roof-Ceiling 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] R801.2 Requirements
Section R801.2 — Requirements. 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] R801.3 Roof Construction Design
Section R801.3 — Roof Construction 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] R802 Wood Roof Framing
Section R802 — Wood Roof 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] R802.1 Roof Framing Identification
Section R802.1 — Roof Framing Identification. 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] R802.1.1 Roof Framing General Requirements
Section R802.1.1 — Roof Framing General Requirements. 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] R802.1.2 Ceiling Joist and Rafter Connection
Section R802.1.2 — Ceiling Joist and Rafter Connection. 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] R802.1.3 Roof Truss Installation
Section R802.1.3 — Roof Truss Installation. 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] R802.1.4 Hip and Valley Rafters
Section R802.1.4 — Hip and Valley Rafters. 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] R802.10 Wood Trusses
Section R802.10 — 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] R802.10.1 Truss design
Section R802.10.1 — Truss 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] R802.10.2 Truss Bracing
Section R802.10.2 — Truss Bracing. 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] R802.10.3 Truss Installation
Section R802.10.3 — Truss Installation. 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] R802.10.4 Roof Truss Installation
Section R802.10.4 — Roof Truss Installation. 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] R802.11 Roof Sheathing
Section R802.11 — Roof 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] R802.11.1 Roof Sheathing Fastening
Section R802.11.1 — Roof Sheathing Fastening. 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] R802.2 Design and Construction
Section R802.2 — Design and 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] R802.2.1 Rafter Size Requirements
Section R802.2.1 — Rafter Size Requirements. 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] R802.3 Rafter Spans
Section R802.3 — Rafter Spans. 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] R802.3.1 Rafter Framing to Ridge
Section R802.3.1 — Rafter Framing to Ridge. 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] R802.4 Allowable Ceiling Joist Spans
Section R802.4 — Allowable Ceiling Joist Spans. 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] R802.4.1 Rafter Size 2x6
Section R802.4.1 — Rafter Size 2x6. 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] R802.4.2 Rafter Size 2x8
Section R802.4.2 — Rafter Size 2x8. 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] R802.4.3 Rafter Size 2x10
Section R802.4.3 — Rafter Size 2x10. 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] R802.4.4 Rafter Size 2x12
Section R802.4.4 — Rafter Size 2x12. 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] R802.5 Purlins
Section R802.5 — Purlins. 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] R802.5.1 Rafter Framing
Section R802.5.1 — Rafter 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] R802.5.2 Rafter Ties
Section R802.5.2 — Rafter Ties. 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] R802.6 Bearing Roof
Section R802.6 — Bearing Roof. 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] R802.6.1 Ridge board requirements
Section R802.6.1 — Ridge board requirements. 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] R802.7 Cutting and Notching
Section R802.7 — Cutting and Notching. 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] R802.7.1 Cutting and Notching Rafters
Section R802.7.1 — Cutting and Notching Rafters. 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] R802.8 Lateral Bracing Roof
Section R802.8 — Lateral Bracing Roof. 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] R802.8.1 Lateral bracing of rafters
Section R802.8.1 — Lateral bracing of rafters. 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] R802.9 Framing of Openings
Section R802.9 — Framing of Openings. 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] R802.9.1 Framing of openings
Section R802.9.1 — Framing of openings. 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] R803 Roof Sheathing
Section R803 — Roof 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] R803.1 Roof Covering Materials
Section R803.1 — Roof Covering Materials. 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] R803.1.1 Roof Sheathing Requirements
Section R803.1.1 — Roof Sheathing Requirements. 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] R803.2 Roof Sheathing Requirements
Section R803.2 — Roof Sheathing Requirements. 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] R803.2.1 Wood Structural Panel Roof Sheathing
Section R803.2.1 — Wood Structural Panel Roof Sheathing. 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] R804.1 Steel Roof Framing
Section R804.1 — Steel Roof 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] R804.2 Headers
Section R804.2 — 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] R805.1 Scope - Roof Covering
Section R805.1 — Scope - Roof Covering. This section establishes the scope, applicability, and administrative provisions for enforcement of this code. Refer to the official code text for complete requirements.
[F] R806.1 Ventilation Required
Section R806.1 — Ventilation Required. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R806.1.1 Attic Ventilation Requirements
Section R806.1.1 — Attic Ventilation Requirements. This section addresses mechanical system requirements including ventilation, ductwork, and equipment specifications. Refer to the official code text for complete requirements.
[F] R806.2 Minimum Vent Area
Section R806.2 — Minimum Vent Area. This section covers allowable building height, area, and number of stories based on construction type and occupancy. Refer to the official code text for complete requirements.
[F] R905.1 Roof Covering Application
Section R905.1 — Roof Covering Application. 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] R905.2 Asphalt Shingles
Section R905.2 — Asphalt Shingles. 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.
Code sections are sourced from the International Code Council (ICC) and NFPA. Refer to ICC Digital Codes or NFPA for the authoritative source documents.