R202 #2 ACCESS (TO) R202 #4 ACCESSORY STRUCTURE R202 #5 ADDITION R202 #6 ADHERED STONE OR MASONRY VENEER R202 #14 AIR-IMPERMEABLE INSULATION R202 #15 ALTERATION R202 #16 ALTERNATING TREAD DEVICE R202 #17 ANCHORED STONE OR MASONRY VENEER R202 #21 APPROVED R202 #22 APPROVED AGENCY R202 #24 ASPECT RATIO R202 #25 ATTIC R202 #26 ATTIC, HABITABLE R202 #36 BASEMENT R202 #38 BASIC WIND SPEED R202 #40 BATTERY SYSTEM, STATIONARY STORAGE R202 #43 BOND BEAM R202 #44 BRACED WALL LINE R202 #45 BRACED WALL LINE, CONTINUOUSLY SHEATHED R202 #46 BRACED WALL PANEL R202 #54 BUILDING R202 #56 BUILDING, EXISTING R202 #57 BUILDING-INTEGRATED PHOTOVOLTAIC PRODUCT R202 #58 BUILDING-INTEGRATED PHOTOVOLTAIC ROOF PANEL (BIPV Roof Panel) R202 #59 BUILDING LINE R202 #60 BUILDING OFFICIAL R202 #64 BUILT-UP ROOF COVERING R202 #65 CAP PLATE R202 #66 CARBON MONOXIDE ALARM R202 #67 CARBON MONOXIDE DETECTOR R202 #68 CEILING HEIGHT R202 #69 CEMENT PLASTER R202 #70 CHANGE OF OCCUPANCY R202 #76 CLADDING

R301.1 Application R301.1.1 Alternative provisions R301.1.2 Construction systems R301.1.3 Engineered design R301.2 Climatic and geographic design criteria R301.2.1 Wind design criteria R301.2.1.1 Wind limitations and wind design required R301.2.1.1.1 Sunrooms R301.2.1.2 Protection of openings R301.2.1.2.1 Application of ASTM E1996 R301.2.1.3 Wind speed conversion R301.2.1.4 Exposure category R301.2.1.5 Topographic wind effects R301.2.1.5.1 Simplified topographic wind speed-up method R301.2.2 Seismic provisions R301.2.2.1 Determination of seismic design category R301.2.2.1.1 Alternate determination of seismic design category R301.2.2.1.2 Alternative determination of seismic design category E R301.2.2.2 Weights of materials R301.2.2.3 Stone and masonry veneer R301.2.2.4 Masonry construction R301.2.2.5 Concrete construction R301.2.2.6 Irregular buildings R301.2.2.7 Height limitations R301.2.2.8 Cold-formed steel framing in seismic design categories D₀, D₁ and D₂ R301.2.2.9 Masonry chimneys R301.2.2.10 Anchorage of water heaters R301.2.3 Snow loads R301.2.4 Floodplain construction R301.2.4.1 Alternative provisions R301.3 Story height R301.4 Dead load R301.5 Live load R301.6 Roof load R301.7 Deflection R301.8 Nominal sizes

R302.1 Exterior Walls R302.2 Townhouses ☆ R302.2.1 Double Walls R302.2.2 Common Walls R302.2.3 Continuity R302.2.4 Parapets for townhouses R302.2.5 Parapet construction R302.2.6 Structrual independence R302.3 Two-family dwellings R302.3.1 Supporting construction R302.4 Dwelling unit rated penetrations R302.4.1 Through penetrations R302.4.1.1 Fire-resistance-rated assembly R302.4.1.2 Penetration firestop system R302.4.2 Membrane penetrations R302.5 Dwelling-garage opening and penetration protection R302.5.1 Opening protection R302.5.2 Duct penetrations R302.5.3 Other penetrations R302.6 Dwelling-garage fire separation R302.7 Under-stair protection R302.8 Foam plastics R302.9 Flame spread index and smoke-developed index for wall and ceiling finishes R302.9.1 Flame spread index R302.9.2 Smoke-developed index R302.9.3 Testing R302.9.4 Alternative test method R302.10 Flame spread index and smoke-developed index for insulation R302.10.1 Insulation R302.10.2 Loose-fill insulation R302.10.3 Cellulosic fiber loose-fill insulation R302.10.4 Exposed attic insulation R302.10.5 Testing R302.11 Fireblocking ☆ R302.11.1 Fireblocking materials R302.11.1.1 Batts or blankets of mineral or glass fiber R302.11.1.2 Unfaced fiberglass R302.11.1.3 Loose-fill insulation material R302.11.2 Fireblocking integrity R302.12 Draftstopping | R302.12.1 Materials R302.13 Fire protection of floors R302.14 Combustible insulation clearance

R303.1 Habitable Rooms R303.2 Adjoining Rooms R303.3 Bathrooms R303.4 Mechanical ventilation R303.5 Opening location R303.5.1 Intake openings R303.5.2 Exhaust openings R303.6 Outside opening protection R303.7 Interior stairway illumination R303.8 Exterior stairway illumination R303.9 Required glazed opening R303.9.1 Sunroom additions R303.10 Required heating

R304.1 Minimum area | R304.2 Minimum dimensions R304.3 Height effect on room area

R305.1 Minimum height | R305.1.1 Basements

R306.1 Toilet facilities R306.2 Kitchen R306.3 Sewage disposal R306.4 Water supply to fixtures

R307.1 Space required R307.2 Bathtub and shower spaces

R308 Overview ☆ R308.1 Identification R308.1.1 Identification of multiple assemblies R308.2 Louvered windows or jalousies R308.2.1 Wired glass prohibited R308.3 Human impact loads R308.3.1 Impact test R308.4 Hazardous locations R308.4.1 Glazing in doors R308.4.2 Glazing adjacent to doors R308.4.3 Glazing in windows R308.4.4 Glazing in guards and railings R308.4.4.1 Structural glass baluster panels R308.4.5 Glazing and wet surfaces R308.4.6 Glazing adjacent to stairs and ramps R308.4.7 Glazing adjacent to the bottom stair landing R308.5 Site-built windows R308.6 Skylights and sloped glazing R308.6.1 Definitions R308.6.2 Materials R308.6.3 Screens, general R308.6.4 Screens with multiple glazing R308.6.5 Screens not required R308.6.6 Glass in greenhouses R308.6.7 Screen characteristics R308.6.8 Curbs for skylights R308.6.9 Testing and labeling R308.6.9.1 Comparative analysis for glass-glazed unit skylights

R309.1 Floor surface R309.2 Carports R309.3 Flood hazard areas R309.4 Automatic garage door openers R309.5 Fire sprinklers

R310.1 Emergency escape and rescue opening required R310.1.1 Operation constraints and opening control devices R310.2 Emergency escape and rescue openings R310.2.1 Minimum opening area R310.2.2 Window sill height R310.2.3 Window wells R310.2.3.1 Ladder and steps R310.2.3.2 Drainage R310.2.4 Emergency escape and rescue openings under decks and porches R310.2.5 Replacement windows R310.3 Emergency escape and rescue doors R310.3.1 Minimum door opening size R310.3.2 Area wells R310.3.2.1 Ladder and steps R310.3.2.2 Drainage R310.4 Bars, grilles, covers and screens R310.5 Dwelling additions R310.6 Alterations or repairs of existing basements

R311.1 Means of egress R311.2 Egress door R311.3 Floors and landings at exterior doors R311.3.1 Floor elevations at the required egress doors R311.3.2 Floor elevations at other exterior doors R311.3.3 Storm and screen doors R311.4 Vertical egress R311.5 Landing, deck, balcony and stair construction and attachment R311.6 Hallways R311.7 Stairways R311.7.1 Width R311.7.2 Headroom R311.7.3 Vertical rise R311.7.4 Walkline R311.7.5 Stair treads and risers R311.7.5.1 Risers R311.7.5.2 Treads R311.7.5.2.1 Winder treads R311.7.5.3 Nosings R311.7.5.4 Exterior plastic composite treads R311.7.6 Landings for stairways R311.7.7 Stairway walking surface R311.7.8 Handrails R311.7.8.1 Height R311.7.8.2 Handrail projection R311.7.8.3 Handrail clearance R311.7.8.4 Continuity R311.7.8.5 Grip size R311.7.8.6 Exterior plastic composite handrails R311.7.9 Illumination R311.7.10 Special stairways R311.7.10.1 Spiral stairways R311.7.10.2 Bulkhead enclosure stairways R311.7.11 Alternating tread devices R311.7.11.1 Treads of alternating tread devices R311.7.11.2 Handrails of alternating tread devices R311.7.12 Ship's ladders R311.7.12.1 Treads of ship's ladders R311.7.12.2 Handrails of ship's ladders R311.8 Ramps R311.8.1 Maximum slope R311.8.2 Landings required R311.8.3 Handrails required R311.8.3.1 Height R311.8.3.2 Grip size R311.8.3.3 Continuity

R312.1 Guards R312.1.1 Where required R312.1.2 Height R312.1.3 Opening limitations R312.1.4 Exterior plastic composite guards R312.2 Window fall protection R312.2.1 Window sills R312.2.2 Window opening control devices

R313 Overview R313.1 Townhouse automatic fire sprinkler systems R313.1.1 Design and installation R313.2 One- and two-family dwellings automatic fire sprinkler systems R313.2.1 Design and installation

R314.1 General R314.1.1 Listings R314.2 Where required R314.2.1 New construction R314.2.2 Alterations, repairs and additions R314.3 Location R314.3.1 Installation near cooking appliances R314.4 Interconnection R314.5 Combination alarms R314.6 Power source R314.7 Fire alarm systems R314.7.1 General R314.7.2 Location R314.7.3 Permanent fixture R314.7.4 Combination detectors

R315.1 General R315.1.1 Listings R315.2 Where required R315.2.1 New Construction R315.2.2 Alterations, repairs and additions R315.3 Location R315.4 Combination alarms R315.5 Interconnectivity R315.6 Power source R315.7 Carbon monoxide detection systems R315.7.1 General R315.7.2 Location R315.7.3 Permanent fixture R315.7.4 Combination detectors

R316.1 General R316.2 Labeling and Identification R316.3 Surface burning characteristics R316.4 Thermal barrier R316.5 Specific requirements R316.5.1 Masonry or concrete construction R316.5.2 Roofing R316.5.3 Attics R316.5.4 Crawl spaces R316.5.5 Foam-filled exterior doors R316.5.6 Foam-filled garage doors R316.5.7 Foam backer board R316.5.8 Re-siding R316.5.9 Interior trim R316.5.10 Interior finish R316.5.11 Sill plates and headers R316.5.12 Sheathing R316.5.13 Floors R316.6 Specific approval R316.7 Termite damage R316.8 Wind resistance

R317.1 Location required R317.1.1 Field treatment R317.1.2 Ground contact R317.1.3 Geographical areas R317.1.4 Wood columns R317.1.5 Exposed glued-laminated timbers R317.2 Quality mark R317.2.1 Required information R317.3 Fasteners and connectors in contact with preservative-treated and fire-retardant-treated wood R317.3.1 Fasteners for preservative-treated wood R317.3.2 Fastenings for wood foundations R317.3.3 Fasteners for fire-retardant-treated wood used in exterior applications or wet or damp locations R317.3.4 Fasteners for fire-retardant-treated wood used in interior applications R317.4 Plastic composites

R318.1 Subterranean termite control methods R318.1.1 Quality mark R318.1.2 Field treatment R318.2 Chemical termiticide treatment R318.3 Barriers R318.4 Foam plastic protection

R319.1 Address identification

R320.1 Scope R320.1.1 Guestrooms

R321 Overview R321.1 Elevators R321.2 Platform lifts R321.3 Accessibility

322.1 General 322.1.1 Alternative provisions 322.1.2 Structural systems 322.1.3 Flood-resistant construction 322.1.4 Establishing the design flood elevation 322.1.4.1 Determination of design flood elevations 322.1.4.2 Determination of impacts 322.1.5 Lowest floor 322.1.6 Protection of mechanical, plumbing and electrical systems 322.1.7 Protection of water supply and sanitary sewage systems 322.1.8 Flood-resistant materials 322.1.9 Manufactured homes 322.1.10 As-built elevation documentation 322.2 Flood hazard areas (including A Zones) 322.2.1 Elevation requirements 322.2.2 Enclosed area below design flood elevation 322.2.2.1 Installation of openings 322.2.3 Foundation design and construction 322.2.4 Tanks 322.3 Coastal high-hazard areas (including V Zones and Coastal A Zones, where designated) 322.3.1 Location and site preparation 322.3.2 Elevation requirements 322.3.3 Foundations 322.3.4 Concrete slabs 322.3.5 Walls below design flood elevation 322.3.6 Enclosed areas below design flood elevation 322.3.6.1 Protection of building envelope 322.3.7 Stairways and ramps 322.3.8 Decks and porches 322.3.9 Construction documents 322.3.10 Tanks

323.1 General

R324.1 General R324.2 Solar thermal systems R324.3 Photovoltaic systems R324.3.1 Equipment listings R324.4 Rooftop-mounted photovoltaic systems R324.4.1 Structural requirements R324.4.1.1 Roof load R324.4.1.2 Wind load R324.4.2 Fire classification R324.4.3 Roof penetrations R324.5 Building-integrated photovoltaic systems R324.5.1 Photovoltaic shingles R324.5.2 Fire classification R324.6 Roof access and pathways R324.6.1 Pathways R324.6.2 Setback at ridge R324.6.2.1 Alternative setback at ridge R324.6.2.2 Emergency escape and rescue opening R324.7 Ground-mounted photovoltaic systems R324.7.1 Fire separation distances

R325.1 General R325.2 Mezzanines R325.3 Area limitation R325.4 Means of egress R325.5 Openness R325.6 Habitable attic

R326.1 General

R327.1 General R327.2 Equipment Listings R327.3 Installation R327.4 Electrical installation R327.5 Ventilation R327.6 Protection from impact

R401.1 Application R401.2 Requirements R401.3 Drainage R401.4 Soil tests R401.4.1 Geotechnical evaluation R401.4.2 Compressible or shifting soil

R402.1 Wood foundations R402.1.1 Fasteners R402.1.2 Wood treatment R402.2 Concrete R402.2.1 Materials for concrete R402.3 Precast concrete R402.3.1 Precast concrete foundation materials R402.4 Masonry

R403.1 General R403.1.1 Minimum size R403.1.2 Continuous footing in seismic design categories D₀, D₁ and D₂ R403.1.3 Footing and stem wall reinforcing in seismic design categories D₀, D₁, and D₂ R403.1.3.1 Concrete stem walls with concrete footings R403.1.3.2 Masonry stem walls with concrete footings R403.1.3.3 Slabs-on-ground with turned-down footings R403.1.3.4 Interior bearing and braced wall panel footings in seismic design categories D₀, D₁ and D₂ R403.1.3.5 Reinforcement R403.1.3.5.1 Steel reinforcement R403.1.3.5.2 Location of reinforcement in wall R403.1.3.5.3 Support and cover R403.1.3.5.4 Lap splices R403.1.3.6 Isolated concrete footings R403.1.4 Minimum depth R403.1.4.1 Frost protection R403.1.5 Slope R403.1.6 Foundation anchorage R403.1.6.1 Foundation anchorage in seismic design categories C, D₀, D₁ and D₂ R403.1.7 Footings on or adjacent to slopes R403.1.7.1 Building clearances from ascending slopes R403.1.7.2 Footing setback from descending slope surfaces R403.1.7.3 Foundation elevation R403.1.7.4 Alternate setbacks and clearances R403.1.8 Foundations on expansive soils R403.1.8.1 Expansive soils classifications R403.2 Footings for wood foundations R403.3 Frost-protected shallow foundations R403.3.1 Foundations adjoining frost-protected shallow foundations R403.3.1.1 Attachment to unheated slab-on-ground structure R403.3.1.2 Attachment to heated structure R403.3.2 Protection of horizontal insulation below ground R403.3.3 Drainage R403.3.4 Termite protection R403.4 Footings for precast concrete foundations R403.4.1 Crushed stone footings R403.4.2 Concrete footings

R404.1 Concrete and masonry foundation walls R404.1.1 Design required R404.1.2 Design of masonry foundation walls R404.1.2.1 Masonry foundation walls R404.1.3 Concrete foundation walls R404.1.3.1 Concrete cross section R404.1.3.2 Reinforcement for foundation walls R404.1.3.2.1 Concrete foundation stem walls supporting above-grade concrete walls R404.1.3.2.2 Concrete foundation stem walls supporting light-frame above-grade walls R404.1.3.3 Concrete, materials for concrete, and forms R404.1.3.3.1 Compressive strength R404.1.3.3.2 Concrete mixing and delivery R404.1.3.3.3 Maximum aggregate size R404.1.3.3.4 Proportioning and slump of concrete R404.1.3.3.5 Consolidation of concrete R404.1.3.3.6 Form materials and form ties R404.1.3.3.6.1 Stay-in-place forms R404.1.3.3.7 Reinforcement R404.1.3.3.7.1 Steel reinforcement R404.1.3.3.7.2 Location of reinforcement in wall R404.1.3.3.7.3 Wall openings R404.1.3.3.7.4 Support and cover R404.1.3.3.7.5 Lap splices R404.1.3.3.7.6 Alternate grade of reinforcement and spacing R404.1.3.3.7.7 Standard hooks R404.1.3.3.7.8 Construction joint reinforcement R404.1.3.3.8 Exterior wall coverings R404.1.3.4 Requirements for seismic design category C R404.1.4 Seismic design category D₀, D₁ or D₂ R404.1.4.1 Masonry foundation walls R404.1.4.2 Concrete foundation walls R404.1.5 Foundation wall thickness based on walls supported R404.1.5.1 Masonry wall thickness R404.1.5.2 Concrete wall thickness R404.1.5.3 Pier and curtain wall foundations R404.1.6 Height above finished grade R404.1.7 Backfill placement R404.1.8 Rubble stone masonry R404.1.9 Isolated masonry piers R404.1.9.1 Pier cap R404.1.9.2 Masonry piers supporting floor girders R404.1.9.3 Masonry piers supporting braced wall panels R404.1.9.4 Seismic design of masonry piers R404.1.9.5 Masonry piers in flood hazard areas R404.2 Wood foundation walls R404.2.1 Identification R404.2.2 Stud size R404.2.3 Height of backfill R404.2.4 Backfilling R404.2.5 Drainage and dampproofing R404.2.6 Fastening R404.3 Wood sill plates R404.4 Retaining walls R404.5 Precast concrete foundation walls R404.5.1 Design R404.5.2 Precast concrete foundation design drawings R404.5.3 Identification

R405.1 Concrete or masonry foundations R405.1.1 Precast concrete foundations R405.2 Wood foundations R405.2.1 Base R405.2.2 Vapor retarder R405.2.3 Drainage systems

R406.1 Concrete and masonry foundation dampproofing R406.2 Concrete and masonry foundation waterproofing R406.3 Dampproofing for wood foundations R406.3.1 Panel joint sealed R406.3.2 Below-grade moisture barrier R406.3.3 Porous fill R406.3.4 Backfill R406.4 Precast concrete foundation system dampproofing R406.4.1 Panel joints sealed

R407.1 Wood column protection R407.2 Steel column protection R407.3 Structural requirements

R408.1 Ventilation R408.2 Openings for under-floor ventilation R408.3 Unvented crawl space R408.4 Access R408.5 Removal of debris R408.6 Finished grade R408.7 Flood resistance

R501.1 Application R501.2 Requirements

R502.1 General R502.1.1 Sawn lumber R502.1.1.1 Preservative-treated lumber R502.1.1.2 End-jointed lumber R502.1.2 Prefabricated wood I-joists R502.1.3 Structural glued laminated timbers R502.1.4 Structural log members R502.1.5 Structural composite lumber R502.1.6 Cross-laminated timber R502.1.7 Engineered wood rim board R502.2 Design and construction R502.2.1 Framing at braced wall line R502.2.2 Blocking and subflooring R502.3 Allowable joist spans R502.3.1 Sleeping areas and attic joists R502.3.2 Other floor joists R502.3.3 Floor cantilevers R502.4 Joists under bearing partitions R502.5 Allowable girder and header span R502.6 Bearing R502.6.1 Floor systems R502.6.2 Joist framing R502.7 Lateral restraint at supports R502.7.1 Bridging R502.8 Cutting, drilling and notching R502.8.1 Sawn lumber R502.8.2 Engineered wood products R502.9 Fastening R502.10 Framing of openings R502.11 Wood trusses R502.11.1 Design R502.11.2 Bracing R502.11.3 Alteration to trusses R502.11.4 Truss design drawings R502.12 Draftstopping required R502.13 Fireblocking required

R503 Overview R503.1 Lumber sheathing R503.1.1 End joints R503.2 Wood structural panel sheathing R503.2.1 Identification and grade R503.2.1.1 Subfloor and combined subfloor underlayment R503.2.2 Allowable spans R503.2.3 Installation R503.3 Particleboard R503.3.1 Identification and grade R503.3.2 Floor underlayment R503.3.3 Installation

R504 Overview R504.1 General R504.1.1 Unbalanced soil load R504.1.2 Construction R504.1.3 Uplift and buckling R504.2 Site preparation R504.2.1 Base R504.2.2 Moisture barrier R504.3 Materials

R505 Overview R505.1 Cold-formed steel floor framing R505.1.1 Applicability limits R505.1.2 In-line framing R505.1.3 Floor trusses R505.2 Structural framing R505.2.1 Material R505.2.2 Corrosion protection R505.2.3 Dimension, thickness and material grade R505.2.4 Identification R505.2.5 Fastening R505.2.6 Web holes, web hole reinforcing and web hole patching R505.2.6.1 Web holes R505.2.6.2 Web hole reinforcing R505.2.6.3 Hole patching R505.3 Floor construction R505.3.1 Floor-to-foundation or load-bearing wall connections R505.3.2 Minimum floor joist sizes R505.3.3 Joist bracing and blocking R505.3.3.1 Joist top flange bracing R505.3.3.2 Joist bottom flange bracing/blocking R505.3.3.3 Blocking at interior bearing supports R505.3.3.4 Blocking at cantilevers R505.3.4 Bearing stiffeners R505.3.5 Cutting and notching R505.3.6 Floor cantilevers R505.3.7 Splicing R505.3.8 Framing of floor openings

R506 Overview R506.1 General R506.2 Site preparation R506.2.1 Fill R506.2.2 Base R506.2.3 Vapor retarder R506.2.4 Reinforcement support

R507.1 Decks R507.2 Materials R507.2.1 Wood materials R507.2.1.1 Engineered wood products R507.2.2 Plastic composite deck boards, stair treads, guards, or handrails R507.2.2.1 Labeling R507.2.2.2 Flame spread index R507.2.2.3 Decay resistance R507.2.2.4 Termite resistance R507.2.2.5 Installation of plastic composites R507.2.3 Fasteners and connectors R507.2.4 Flashing R507.2.5 Alternate materials R507.3 Footings R507.3.1 Minimum size R507.3.2 Minimum depth R507.4 Deck posts R507.4.1 Deck post to deck footing connection R507.5 Deck beams R507.5.1 Deck beam bearing R507.5.2 Deck beam connection to supports R507.6 Deck joists R507.6.1 Deck joist bearing R507.6.2 Deck joist lateral restraint R507.7 Decking R507.8 Vertical and lateral supports R507.9 Vertical and lateral supports at band joist R507.9.1 Vertical supports R507.9.1.1 Ledger details R507.9.1.2 Band joist details R507.9.1.3 Ledger to band joist details R507.9.1.4 Alternate ledger details R507.9.2 Lateral connection

R601.1 Application R601.2 Requirements R601.2.1 Compressible floor-covering materials

R602 Overview R602.1 General R602.1.1 Sawn lumber R602.1.2 End-jointed lumber R602.1.3 Structrual glued-laminated timbers R602.1.4 Structural log members R602.1.5 Structural composite lumber R602.1.6 Cross-laminated timber R602.1.7 Engineered wood rim board R602.1.8 Wood structural panels R602.1.9 Particleboard R602.1.10 Fiberboard R602.1.11 Structural insulated panels R602.2 Grade R602.3 Design and construction R602.3.1 Stud size, height and spacing R602.3.2 Top plate R602.3.3 Bearing studs R602.3.4 Bottom (sole) plate R602.3.5 Braced wall panel uplift load path R602.4 Interior load-bearing walls R602.5 Interior nonbearing walls R602.6 Drilling and notching of studs R602.6.1 Drilling and notching of top plate R602.7 Headers R602.7.1 Single member headers R602.7.2 Rim board headers R602.7.3 Wood structural panel box headers R602.7.4 Nonbearing walls R602.7.5 Supports for headers R602.8 Fireblocking required R602.9 Cripple walls R602.10 Wall bracing R602.10.1 Braced wall lines R602.10.1.1 Length of a braced wall line R602.10.1.2 Offsets along a braced wall line R602.10.1.3 Spacing of braced wall lines R602.10.1.4 Angled walls R602.10.2 Braced wall panels R602.10.2.1 Braced wall panel uplift load path R602.10.2.2 Locations of braced wall panels R602.10.2.2.1 Location of braced wall panels in seismic design categories D₀, D₁ and D₂ R602.10.2.3 Minimum number of braced wall panels R602.10.3 Required length of bracing R602.10.4 Construction methods for braced wall panels R602.10.4.1 Mixing methods R602.10.4.2 Continuous sheathing methods R602.10.4.3 Braced wall panel interior finish material R602.10.4.4 Panel joints R602.10.5 Minimum length of a braced wall panel R602.10.5.1 Contributing length R602.10.5.2 Partial credit R602.10.6 Construction of methods ABW, PFH, PFG, CS-PF and BV-WSP R602.10.6.1 Method ABW: Alternate braced wall panels R602.10.6.2 Method PFH: Portal frame with hold-downs R602.10.6.3 Method PFG: Portal frame at garage door openings in seismic design categories A, B and C R602.10.6.4 Method CS-PF: Continuously sheathed portal frame R602.10.6.5 Wall bracing for dwellings with stone and masonry veneer in seismic design categories D₀, D₁ and D₂ R602.10.6.5.1 Length of bracing R602.10.7 Ends of braced wall lines with continuous sheathing R602.10.8 Braced wall panel connections R602.10.8.1 Braced wall panel connections for seismic design categories D₀, D₁ and D₂ R602.10.8.2 Connections to roof framing R602.10.9 Braced wall panel support R602.10.9.1 Braced wall panel support for seismic design categories D₀, D₁ and D₂ R602.10.10 Cripple wall bracing R602.10.10.1 Cripple wall bracing for seismic design categories D₀ and D₁and townhouses in seismic design category C R602.10.10.2 Cripple wall bracing for seismic design category D₂ R602.10.10.3 Redesignation of cripple walls R602.11 Wall anchorage R602.11.1 Wall anchorage for all building in seismic design categories D₀, D₁ and D₂ and townhouses in seismic design category C R602.11.2 Stepped foundations in seismic design categories D₀, D₁ and D₂ R602.12 Simplified wall bracing R602.12.1 Circumscribed rectangle R602.12.2 Sheating materials R602.12.3 Bracing unit R602.12.3.1 Multiple bracing units R602.12.4 Number of bracing units R602.12.5 Distribution of bracing units R602.12.6 Narrow panels R602.12.6.1 Method CS-G R602.12.6.2 Method CS-PF R602.12.6.3 Methods ABW, PFH, and PFG R602.12.7 Lateral support R602.12.8 Stem walls

R603.1 General R603.1.1 Applicability limits R603.1.2 In-line framing R603.2 Structural framing R603.2.1 Material R603.2.2 Corrosion protection R603.2.3 Dimension, thickness and material grade R603.2.4 Identification R603.2.5 Fastening R603.2.6 Web holes, web hole reinforcing and web hole patching R603.2.6.1 Web holes R603.2.6.2 Web hole reinforcing R603.2.6.3 Hole patching R603.3 Wall construction R603.3.1 Wall to foundation or floor connection R603.3.1.1 Gable endwalls R603.3.2 Minimum stud sizes R603.3.2.1 Gable endwalls R603.3.3 Stud bracing R603.3.4 Cutting and notching R603.3.5 Splicing R603.4 Corner framing R603.5 Exterior wall covering R603.6 Headers R603.6.1 Headers in gable endwalls R603.7 Jack and king studs R603.8 Head and sill track R603.9 Structural sheathing R603.9.1 Sheathing materials R603.9.2 Determination of minimum length of full-height sheathing R603.9.2.1 Full height sheathing R603.9.2.2 Full-height sheathing in lowest story R603.9.3 Structural sheathing fastening R603.9.4 Uplift connection requirements R603.9.4.1 Ultimate design wind speeds greater than 130 mph R603.9.4.2 Hold-down anchor R603.9.5 Structural sheathing for stone and masonry veneer R603.9.5.1 Seismic design category C R603.9.5.2 Seismic design categories D₀, D₁ and D₂

R604 Overview R604.1 Identification and grade R604.2 Allowable spans R604.3 Installation

R605 Overview ☆ R605.1 Identification and grade

R606 Overview R606.1 General R606.1.1 Professional registration not required R606.2 Masonry construction materials R606.2.1 Concrete masonry units R606.2.2 Clay or shale masonry units R606.2.3 AAC masonry R606.2.4 Stone masonry units R606.2.5 Architectural cast stone R606.2.6 Adhered manufactured stone masonry veneer units R606.2.7 Second-hand units R606.2.8 Mortar R606.2.8.1 Foundation walls R606.2.8.2 Masonry in seismic design categories A, B and C R606.2.8.3 Masonry in seismic design categories D₀, D₁ and D₂ R606.2.9 Surface-bonding mortar R606.2.10 Mortar for AAC masonry R606.2.11 Mortar for adhered masonry veneer R606.2.12 Grout R606.2.13 Metal reinforcement and accessories R606.3 Construction requirements R606.3.1 Bed and head joints R606.3.2 Masonry unit placement R606.3.2.1 Solid masonry R606.3.2.2 Hollow masonry R606.3.3 Installation of wall ties R606.3.4 Protection of reinforcement R606.3.4.1 Corrosion protection R606.3.5 Grouting requirements R606.3.5.1 Grout placement R606.3.5.2 Cleanouts R606.3.5.3 Construction R606.3.6 Grouted multiple-wythe masonry R606.3.6.1 Bonding of backup wythe R606.3.6.2 Grout barriers R606.3.7 Masonry bonding pattern R606.3.7.1 Masonry laid in running bond R606.3.7.2 Masonry laid is stack bond R606.4 Thickness of masonry R606.4.1 Minimum thickness R606.4.2 Rubble stone masonry wall R606.4.3 Change in thickness R606.4.4 Parapet walls R606.5 Corbeled masonry R606.5.1 Units R606.5.2 Corbel projection R606.5.3 Corbeled masonry supporting floor or roof-framing members R606.6 Support conditions R606.6.1 Bearing on support R606.6.2 Support at foundations R606.6.3 Beam supports R606.6.3.1 Joist bearing R606.6.4 Lateral support R606.6.4.1 Horizontal lateral support R606.6.4.1.1 Bonding pattern R606.6.4.1.2 Metal reinforcement R606.6.4.2 Vertical lateral support R606.6.4.2.1 Roof structures R606.6.4.2.2 Floor diaphragms R606.7 Piers R606.7.1 Pier cap R606.8 Chases R606.9 Allowable stresses R606.9.1 Combined units R606.10 Lintels R606.11 Anchorage R606.12 Seismic requirements R606.12.1 General R606.12.1.1 Floor and roof diaphragm construction R606.12.2 Seismic design category C R606.12.2.1 Minimum length of wall without openings R606.12.2.2 Design of elements not part of the lateral force-resisting system R606.12.2.2.1 Load-bearing frames or columns R606.12.2.2.2 Masonry partition walls R606.12.2.2.3 Reinforcement requirements for masonry elements R606.12.2.3 Design of elements part of the lateral force-resisting system R606.12.2.3.1 Connections to masonry shear walls R606.12.2.3.2 Connections to masonry columns R606.12.2.3.3 Minimum reinforcement requirements for masonry shear walls R606.12.3 Seismic design category D₀ or D₁ R606.12.3.1 Design requirements R606.12.3.2 Minimum reinforcement requirements for masonry walls R606.12.3.2.1 Shear wall reinforcement requirements R606.12.3.3 Minimum reinforcement for masonry columns R606.12.3.4 Material restrictions R606.12.3.5 Lateral tie anchorage R606.12.4 Seismic design category D₂ R606.12.4.1 Design of elements not part of the lateral force-resisting system R606.12.4.2 Design of elements part of the lateral force-resisting system R606.13 Multiple-wythe masonry R606.13.1 Bonding with masonry headers R606.13.1.1 Solid units R606.13.1.2 Hollow units R606.13.2 Bonding with wall ties or joint reinforcement R606.13.2.1 Bonding with wall ties R606.13.2.2 Bonding with adjustable wall ties R606.13.2.3 Bonding with prefabricated joint reinforcement R606.13.3 Bonding with natural or cast stone R606.13.3.1 Ashlar masonry R606.13.3.2 Rubble stone masonry R606.14 Anchored and adhered masonry veneer R606.14.1 Anchored veneer R606.14.2 Adhered veneer

R607 Overview ☆ R607.1 General R607.2 Materials R607.3 Units R607.3.1 Standard units R607.3.2 Thin units R607.4 Isolated panels R607.4.1 Exterior standard-unit panels R607.4.2 Exterior thin-unit panels R607.4.3 Interior panels R607.4.4 Curved panels R607.5 Panel support R607.5.1 Deflection R607.5.2 Lateral support R607.5.2.1 Panel anchor restraints R607.5.2.2 Channel-type restraints R607.6 Sills R607.7 Expansion joints R607.8 Mortar R607.9 Reinforcement R607.10 Placement

R608 Overview ☆ R608.1 General R608.1.1 Interior construction R608.1.2 Other concrete walls R608.2 Applicability limits R608.3 Concrete wall systems R608.3.1 Flat wall systems R608.3.2 Waffle-grid wall systems R608.3.3 Screen-grid wall systems R608.4 Stay-in-place forms R608.4.1 Surface burning characteristics R608.4.2 Interior covering R608.4.3 Exterior wall covering R608.4.4 Flat ICF wall systems R608.5 Materials R608.5.1 Concrete and materials for concrete R608.5.1.1 Cements R608.5.1.2 Concrete mixing and delivery R608.5.1.3 Maximum aggregate size R608.5.1.4 Proportioning and slump of concrete R608.5.1.5 Compressive strength R608.5.1.6 Consolidation of concrete R608.5.2 Steel reinforcement and anchor bolts R608.5.2.1 Steel reinforcement R608.5.2.2 Anchor bolts R608.5.2.3 Sheet steel angles and tension tie straps R608.5.3 Form materials and form ties R608.5.4 Reinforcement installation details R608.5.4.1 Support and cover R608.5.4.2 Location of reinforcement in walls R608.5.4.3 Lap splices R608.5.4.4 Development of bars in tension R608.5.4.5 Standard hooks R608.5.4.6 Webs of waffle-grid walls R608.5.4.7 Alternate grade of reinforcement and spacing R608.5.5 Construction joints in walls R608.6 Above-grade wall requirements R608.6.1 General R608.6.2 Wall reinforcement for wind R608.6.3 Continuity of wall reinforcement between stories R608.6.4 Termination of reinforcement R608.6.5 Location of reinforcement in wall R608.7 Solid walls for resistance to lateral forces R608.7.1 Length of solid wall R608.7.1.1 Length of solid wall for wind R608.7.2 Solid wall segments R608.7.2.1 Minimum length of solid wall segment and maximum spacing R608.7.2.2 Reinforcement in solid wall segments R608.7.2.2.1 Horizontal shear reinforcement R608.7.2.2.2 Vertical reinforcement R608.7.2.2.3 Vertical shear reinforcement R608.7.2.3 Solid wall segments at corners R608.8 Requirements for lintels and reinforcement around openings R608.8.1 Reinforcement around openings R608.8.1.1 Horizontal reinforcement R608.8.1.2 Vertical reinforcement R608.8.2 Lintels R608.8.2.1 Lintels designed for gravity load-bearing conditions R608.8.2.2 Bundled bars in lintels R608.8.2.3 Lintels without stirrups designed for nonload-bearing conditions R608.9 Requirements for connections - general R608.9.1 Connections between concrete walls and light-framed floor, ceiling and roof systems R608.9.1.1 Anchor bolts R608.9.1.2 Removal of stay-in-place form material at bolts R608.9.2 Connections between concrete walls and light-framed floor systems R608.9.3 Connections between concrete walls and light-framed ceiling and roof systems R608.10 Floor, roof and ceiling diaphragms

R609 Overview ☆ R609.1 General R609.2 Performance R609.3 Testing and labeling R609.3.1 Comparative analysis R609.4 Garage doors R609.5 Other exterior window and door assemblies R609.6 Windborne debris protection R609.6.1 Fenestration testing and labeling R609.6.2 Impact protective systems-testing and labeling R609.7 Anchorage methods R609.7.1 Anchoring requirements R609.7.2 Anchorage details R609.7.2.1 Masonry, concrete or other structural substrate R609.7.2.2 Wood or other approved framing material R609.8 Mullions R609.8.1 Load transfer R609.8.2 Deflection R609.8.3 Structural safety factor

R610 Overview ☆ R610.1 General R610.2 Applicability limits R610.3 Materials R610.3.1 Lumber R610.3.2 SIP screws R610.3.3 Nails R610.4 SIP wall panels R610.5 Wall construction R610.5.1 Top plate connection R610.5.2 Bottom (sole) plate connection R610.5.3 Panel-to-panel connections R610.5.4 Corner framing R610.5.5 Wall bracing R610.5.6 Thermal barrier R610.6 Interior load-bearing walls R610.7 Drilling and notching R610.8 Headers R610.8.1 Wood structural panel box header

R701.1 Application R701.2 Installation

R702 Overview ☆ R702.1 General R702.2 Interior plaster R702.2.1 Gypsum plaster R702.2.2 Cement plaster R702.2.2.1 Application R702.2.2.2 Curing R702.2.3 Support R702.3 Gypsum board and gypsum panel products R702.3.1 Materials R702.3.1.1 Adhesives R702.3.2 Wood framing R702.3.3 Cold-formed steel framing R702.3.4 Insulating concrete form walls R702.3.5 Application R702.3.5.1 Screw fastening R702.3.6 Horizontal gypsum board diaphragm ceilings R702.3.7 Water-resistant gypsum backing board R702.3.7.1 Limitations R702.4 Ceramic tile R702.4.1 General R702.4.2 Backer boards R702.5 Other finishes R702.6 Wood shakes and shingles R702.6.1 Attachment R702.6.2 Furring strips R702.7 Vapor retarders R702.7.1 Class III vapor retarders R702.7.2 Material vapor retarder class R702.7.3 Minimum clear airspaces and vented openings for vented cladding

R703 Overview ☆ R703.1 General R703.1.1 Water resistance R703.1.2 Wind resistance R703.2 Water-resistive barrier R703.3 Wall covering nominal thickness and attachments R703.3.1 Soffit installation R703.3.1.1 Wood structural panel soffit R703.3.1.2 Vinyl soffit panels R703.3.2 Wind limitations R703.3.3 Fasteners R703.3.4 Minimum fastener length and penetration R703.4 Flashing R703.5 Wood, hardboard and wood structural panel siding R703.5.1 Vertical wood siding R703.5.2 Panel siding R703.5.3 Horizontal wood siding R703.6 Wood shakes and shingles R703.6.1 Application R703.6.2 Weather exposure R703.6.3 Attachment R703.6.4 Bottom courses R703.7 Exterior plaster (stucco) R703.7.1 Lath R703.7.2 Plaster R703.7.2.1 Weep screeds R703.7.3 Water-resistive barriers R703.7.4 Application R703.7.5 Curing R703.8 Anchored stone and masonry veneer, general R703.8.1 Interior veneer support R703.8.2 Exterior veneer support R703.8.2.1 Support by steel angle R703.8.2.2 Support by roof construction R703.8.3 Lintels R703.8.3.1 Allowable span R703.8.3.2 Maximum span R703.8.4 Anchorage R703.8.4.1 Size and spacing R703.8.4.1.1 Veneer ties around wall openings R703.8.4.2 Grout fill R703.8.5 Flashing R703.8.6 Weepholes R703.9 Exterior insulation and finish system (EIFS)/EIFS with drainage R703.9.1 Exterior insulation and finish system (EIFS) R703.9.2 Exterior insulation and finish system (EIFS) with drainage R703.10 Fiber cement siding R703.10.1 Panel siding R703.10.2 Lap siding R703.11 Vinyl siding R703.11.1 Installation R703.11.1.1 Fasteners R703.11.1.2 Penetration depth R703.11.1.3 Spacing R703.11.2 Installation over foam plastic sheathing R703.12 Adhered masonry veneer installation R703.12.1 Clearances R703.12.2 Flashing at foundation R703.12.3 Water-resistive barrier R703.13 Insulated vinyl siding R703.13.1 Insulated vinyl siding and accessories R703.14 Polypropylene siding R703.14.1 Polypropylene siding and accessories R703.14.1.1 Installation R703.14.1.2 Fastener requirements R703.14.2 Fire separation R703.14.3 Flame spread index R703.15 Cladding attachment over foam sheathing to wood framing R703.15.1 Direct attachment R703.15.2 Furred cladding attachment R703.16 Cladding attachment over foam sheathing to cold-formed steel framing R703.16.1 Direct attachment R703.16.2 Furred cladding attachment R703.17 Cladding attachment over foam sheathing to masonry or concrete wall construction

R801 Overview R801.1 Application R801.2 Requirements R801.3 Roof drainage

R802 Overview R802.1 General R802.1.1 Sawn lumber R802.1.1.1 End-jointed lumber R802.1.2 Structural glued-laminated timbers R802.1.3 Structural log members R802.1.4 Structural composite lumber R802.1.5 Fire-retardant-treated wood R802.1.5.1 Pressure process R802.1.5.2 Other means during manufacture R802.1.5.3 Testing R802.1.5.4 Labeling R802.1.5.5 Strength adjustments R802.1.5.6 Wood structural panels R802.1.5.7 Lumber R802.1.5.8 Exposure to weather R802.1.5.9 Interior applications R802.1.5.10 Moisture content R802.1.6 Cross-laminated timber R802.1.7 Engineered wood rim board R802.1.8 Prefabricated wood I-joists R802.2 Design and construction R802.3 Ridge R802.4 Rafters R802.4.1 Rafter size R802.4.2 Framing details R802.4.3 Hips and valleys R802.4.4 Rafter supports R802.4.5 Purlins R802.4.6 Collar ties R802.5 Ceiling joists R802.5.1 Ceiling joist size R802.5.2 Ceiling joist and rafter connections R802.5.2.1 Ceiling joists lapped R802.5.2.2 Rafter ties R802.5.2.3 Blocking R802.6 Bearing R802.6.1 Finished ceiling material R802.7 Cutting, drilling and notching R802.7.1 Sawn lumber R802.7.1.1 Cantilevered portions of rafters R802.7.1.2 Ceiling joist taper cut R802.7.2 Engineered wood products R802.8 Lateral support R802.8.1 Bridging R802.9 Framing of openings R802.10 Wood trusses R802.10.1 Truss design drawings R802.10.2 Design R802.10.2.1 Applicability limits R802.10.3 Bracing R802.10.4 Alterations to trusses R802.11 Roof tie-down R802.11.1 Truss design drawings R802.11.1.1 Truss uplift resistance R802.11.1.2 Rafter uplift resistance

R803 Overview R803.1 Lumber sheathing R803.2 Wood structural panel sheathing R803.2.1 Identification and grade R803.2.1.1 Exposure durability R803.2.1.2 Fire-retardant-treated plywood R803.2.2 Allowable spans R803.2.3 Installation

R804 Overview ☆ R804.1 General R804.1.1 Applicability limits R804.1.2 In-line framing R804.2 Structural framing R804.2.1 Material R804.2.2 Corrosion protection R804.2.3 Dimension, thickness and material grade R804.2.4 Identification R804.2.5 Fastening requirements R804.2.6 Web holes, web hole reinforcing and web hole patching R804.2.6.1 Web holes R804.2.6.2 Web hole reinforcing R804.2.6.3 Hole patching R804.3 Roof construction R804.3.1 Ceiling joists R804.3.1.1 Minimum ceiling joist size R804.3.1.2 Ceiling joist bottom flange bracing R804.3.1.3 Ceiling joist top flange bracing R804.3.1.4 Ceiling joist splicing R804.3.2 Roof rafters R804.3.2.1 Minimum roof rafter sizes R804.3.2.1.1 Eave overhang R804.3.2.1.2 Rake overhang R804.3.2.2 Roof rafter support brace R804.3.2.3 Roof rafter splice R804.3.2.4 Roof rafter to ceiling joist and ridge member connection R804.3.2.5 Roof rafter bottom flange bracing R804.3.3 Cutting and notching R804.3.4 Headers R804.3.5 Framing of opening roofs and ceilings R804.3.6 Roof trusses R804.3.7 Ceiling and roof diaphragms R804.3.7.1 Ceiling diaphragms R804.3.7.2 Roof diaphragm R804.3.8 Roof tie-down

R805.1 Ceiling Installation

R806 Overview R806.1 Ventilation required R806.2 Minimum vent area R806.3 Vent and insulation clearance R806.4 Installation and weather protection R806.5 Unvented attic and unvented enclosed rafter assemblies

R807 Overview R807.1 Attic access

R901.1 Scope

R902 Overview ☆ R902.1 Roofing covering materials R902.2 Fire-retardant-treated shingles and shakes R902.3 Building-integrated photovoltaic product R902.4 Rooftop-mounted photovoltaic panel systems

R903 Overview ☆ R903.1 General R903.2 Flashing R903.2.1 Locations R903.2.2 Crickets and saddles R903.3 Coping R903.4 Roof drainage R903.4.1 Secondary (emergency overflow) drains or scuppers

R904 Overview ☆ R904.1 Scope R904.2 Compatibility of materials R904.3 Material specifications and physical characteristics R904.4 Product identification

R905.1 Roof covering application R905.1.1 Underlayment R905.1.2 Ice barriers R905.2 Asphalt shingles R905.2.1 Sheathing requirements R905.2.2 Slope R905.2.3 Underlayment R905.2.4 Asphalt shingles R905.2.4.1 Wind resistance of asphalt shingles R905.2.5 Fasteners R905.2.6 Attachment R905.2.7 Ice barrier R905.2.8 Flashing R905.2.8.1 Base and cap flashing R905.2.8.2 Valleys R905.2.8.3 Sidewall flashing R905.2.8.4 Other flashing R905.2.8.5 Drip edge R905.3 Clay and concrete tile R905.3.1 Deck requirements R905.3.2 Deck slope R905.3.3 Underlayment R905.3.4 Clay tile R905.3.5 Concrete tile R905.3.6 Fasteners R905.3.7 Application R905.3.8 Flashing R905.4 Metal roof shingles R905.4.1 Deck requirements R905.4.2 Deck slope R905.4.3 Underlayment R905.4.3.1 Ice barrier R905.4.4 Material standards R905.4.5 Application R905.4.6 Flashing R905.5 Mineral-surfaced roll roofing R905.5.1 Deck requirements R905.5.2 Deck slope R905.5.3 Underlayment R905.5.3.1 Ice barrier R905.5.4 Material standards R905.5.5 Application R905.6 Slate shingles R905.6.1 Deck requirements R905.6.2 Deck slope R905.6.3 Underlayment R905.6.3.1 Ice barrier R905.6.4 Material standards R905.6.5 Application R905.6.6 Flashing R905.7 Wood shingles R905.7.1 Deck requirements R905.7.1.1 Solid sheathing required R905.7.2 Deck slope R905.7.3 Underlayment R905.7.3.1 Ice barrier R905.7.4 Material standards R905.7.5 Application R905.7.6 Valley flashing R905.7.7 Label required R905.8 Wood shakes R905.8.1 Deck requirements R905.8.1.1 Solid sheathing required R905.8.2 Deck slope R905.8.3 Underlayment R905.8.3.1 Ice barrier R905.8.4 Interlayment R905.8.5 Material standards R905.8.6 Application R905.8.7 Shake placement R905.8.8 Valley flashing R905.8.9 Label required R905.9 Built-up roofs R905.9.1 Slope R905.9.2 Material standards R905.9.3 Application R905.10 Metal roof panels R905.10.1 Deck requirements R905.10.2 Slope R905.10.3 Material standards R905.10.4 Attachment R905.10.5 Underlayment R905.11 Modified bitumen roofing R905.11.1 Slope R905.11.2 Material standards R905.11.2.1 Base sheet R905.11.3 Application R905.12 Thermoset single-ply roofing R905.12.1 Slope R905.12.2 Material standards R905.12.3 Application R905.13 Thermoplastic single-ply roofing R905.13.1 Slope R905.13.2 Material standards R905.13.3 Application R905.14 Sprayed polyurethane foam roofing R905.14.1 Slope R905.14.2 Material standards R905.14.3 Application R905.14.4 Foam plastics R905.15 Liquid-applied roofing R905.15.1 Slope R905.15.2 Material standards R905.15.3 Application R905.16 Photovoltaic shingles R905.16.1 Deck requirements R905.16.2 Deck slope R905.16.3 Underlayment R905.16.3.1 Ice barrier R905.16.4 Material standards R905.16.5 Attachment R905.16.6 Wind resistance R905.17 Building-integrated photovoltaic (BIPV) roof panels applied directly to the roof deck R905.17.1 Deck requirements R905.17.2 Deck slope R905.17.3 Underlayment R905.17.3.1 Ice barrier R905.17.4 Ice barrier R905.17.5 Material standards R905.17.6 Attachment R905.17.7 Wind resistance

R906 Overview ☆ R906.1 General R906.2 Material standards

R907.1 Rooftop-Mounted Photovoltaic Panel Systems

R908 Overview ☆ R908.1 General R908.2 Structural and construction loads R908.3 Roof replacement R908.3.1 Roof recover R908.3.1.1 Roof recover not allowed R908.4 Roof recovering R908.5 Reinstallation of materials R908.6 Flashings

R1001.1 General R1001.2 Footings and foundations R1001.2.1 Ash dump cleanout R1001.3 Seismic reinforcing R1001.3.1 Vertical reinforcing R1001.3.2 Horizontal reinforcing R1001.4 Seismic anchorage R1001.4.1 Anchorage R1001.4.1.1 Cold-formed steel framing R1001.5 Firebox walls R1001.5.1 Steel fireplace units R1001.6 Firebox dimensions R1001.7 Lintel and throat R1001.7.1 Damper R1001.8 Smoke chamber R1001.8.1 Smoke chamber dimensions R1001.9 Hearth and hearth extension R1001.9.1 Hearth thickness R1001.9.2 Hearth extension thickness R1001.10 Hearth extension dimensions R1001.11 Fireplace clearance R1001.12 Fireplace fireblocking

R1002 Overview ☆ R1002.1 Definition R1002.2 Installation R1002.3 Footings and foundation R1002.4 Seismic reinforcing R1002.5 Masonry heater clearance

R1003 Overview ☆ R1003.1 Definition R1003.2 Footings and foundations R1003.3 Seismic reinforcing R1003.3.1 Vertical reinforcing R1003.3.2 Horizontal reinforcing R1003.4 Seismic anchorage R1003.4.1 Anchorage R1003.5 Corbeling R1003.6 Changes in dimension R1003.7 Offsets R1003.8 Additional load R1003.9 Termination R1003.9.1 Chimney caps R1003.9.2 Spark arrestors R1003.9.3 Rain caps R1003.10 Wall thickness R1003.10.1 Masonry veneer chimneys R1003.11 Flue lining (material) R1003.11.1 Residential-type appliances (general) R1003.11.2 Flue lining for specific appliances R1003.11.3 Gas appliances R1003.11.4 Pellet fuel-burning appliances R1003.11.5 Oil-fired appliances approved for use with Type L vent R1003.11.6 Notice of usage R1003.12 Clay flue lining (installation) R1003.12.1 Listed materials R1003.12.2 Space around lining R1003.13 Multiple flues R1003.14 Flue area (appliance) R1003.15 Flue area (masonry fireplace) R1003.15.1 Option 1 R1003.15.2 Option 2 R1003.16 Inlet R1003.17 Masonry chimney cleanout openings R1003.18 Chimney clearances R1003.19 Chimney fireblocking R1003.20 Chimney crickets

R1004 Overview ☆ R1004.1 General R1004.2 Hearth extensions R1004.3 Decorative shrouds R1004.4 Unvented gas log heaters R1004.5 Gasketed fireplace doors

R1005 Overview ☆ R1005.1 Listing R1005.2 Decorative shrouds R1005.3 Solid-fuel appliances R1005.4 Factory-built fireplaces R1005.5 Support R1005.6 Medium-heat appliances R1005.7 Factory-built chimney offsets R1005.8 Insulation shield

R1006 Overview ☆ R1006.1 Exterior air R1006.1.1 Factory-built fireplaces R1006.1.2 Masonry fireplaces R1006.2 Exterior air intake R1006.3 Clearance R1006.4 Passageway R1006.5 Outlet

N1101.1 Scope N1101.2 (R101.3) Intent N1101.3 (R101.5.1) Compliance materials N1101.4 (R102.1.1) Above code programs

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N1101.5.1 (R103.2.1) Building thermal envelope depiction N1101.7 (R301.1) Climate zones N1101.7.1 (R301.2) Warm humid counties N1101.7.2 (R301.3) International climate zones N1101.8 (R301.4) Tropical climate zone N1101.9 (R302.1) Interior design conditions N1101.10 (R303.1) Identification N1101.11 (R303.2) Installation N1101.12 (R303.3) Maintenance information N1101.13 (R401.2) Compliance N1101.14 (R401.3) Certificate (Mandatory)

N1102.1 (R402.1) General (Prescriptive) N1102.1.1 (R402.1.1) Vapor Retarder N1102.1.2 (R402.1.2) Insulation and fenestration criteria N1102.1.3 (R402.1.3) R-value computation N1102.1.4 (R402.1.4) U-factor alternative N1102.1.5 (R402.1.5) Total UA alternative

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N1102.2.1 Ceilings with attic spaces N1102.2.2 (R402.2.2) Ceilings without attic spaces N1102.2.3 (R402.2.3) Eave baffle N1102.2.4 (R402.2.4) Access hatches and doors N1102.2.5 (R402.2.5) Mass walls N1102.2.6 (R402.2.6) Steel-frame ceilings, walls, and floors N1102.2.7 (R402.2.7) Walls with partial structural sheathing N1102.2.8 (R402.2.8) Floors N1102.2.9 (R402.2.9) Basement walls N1102.2.10 (R402.2.10) Slab-on-grade floors N1102.2.11 (R402.2.11) Crawl space walls N1102.2.12 (R402.2.12) Masonry veneer N1102.2.13 (R402.2.13) Sunroom insulation

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N1102.3.1 (R402.3.1) U-factor N1102.3.2 (R402.3.2) Glazed fenestration SHGC N1102.3.3 (R402.3.3) Glazed fenestration exemption N1102.3.4 (R402.3.4) Opaque door exemption N1102.3.5 (R402.3.5) Sunroom fenestration N1102.4 (R402.4) Air leakage (Mandatory) N1102.5 (R402.5) Maximum fenestration U-factor and SHGC (Mandatory)

N1103.1.1 (R403.1.1) Programmable thermostat N1103.3 (R403.3) Ducts N1103.4 (R403.4) Mechanical system piping insulation (Mandatory) N1103.6 (R403.6) Mechanical ventilation (Mandatory) N1103.6.1 (R403.6.1) Whole-house mechanical ventilation system fan efficacy N1103.7 (R403.7) Equipment sizing and efficiency rating (Mandatory) N1103.8 (R403.8) Systems serving multiple dwelling units (Mandatory) N1103.9 (R403.9) Snow melt system controls (Mandatory)

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N1103.10.1 (R403.10.1) Heaters N1103.10.2 (R403.10.2) Time switches N1103.10.3 (R403.10.3) Covers N1103.11 (R403.11) Portable spas (Mandatory) N1103.12 (R403.12) Residential pools and permanent residential spas

N1104.1 (R404.1) Lighting equipment (Mandatory)

N1105 Overview

N1106 Overview

N1107 Overview

N1108 Overview

N1109 Overview

N1110 Overview

N1111 Overview

§M1201 General §M1202 Existing Mechanical Systems

§M1301 General §M1302 Approval §M1303 Labeling of Appliances §M1304 Type of Fuel §M1305 Appliance Access §M1306 Clearances From Combustible Construction §M1307 Appliance Installation §M1308 Mechanical Systems Installation

§M1401 General §M1402 Central Furnaces §M1403 Heat Pump Equipment §M1404 Refrigeration Cooling Equipment §M1405 Baseboard Convectors §M1406 Radiant Heating Systems §M1407 Duct Heaters §M1408 Vented Floor Furnaces §M1409 Vented Wall Furnaces §M1410 Vented Room Heaters §M1411 Heating and Cooling Equipment §M1412 Absorption Cooling Equipment §M1413 Evaporative Cooling Equipment §M1414 Fireplace Stoves §M1415 Masonry Heaters

§M1501 General §M1502 Clothes Dryer Exhaust §M1503 Domestic Cooking Exhaust Equipment §M1504 Exhaust Ducts and Exhaust Openings §M1505 Mechanical Ventilation

Chapter 16 Overview §M1601 Duct Construction §M1602 Return Air

§M1701 General

§M1801 General §M1802 Vent Components §M1803 Chimney and Vent Connectors §M1804 Vents §M1805 Masonry and Factory-built Chimneys

§M1901 Ranges and Ovens §M1902 Sauna Heaters §M1903 Stationary Fuel Cell Power Plants §M1904 Gaseous Hydrogen Systems

§M2001 Boilers §M2002 Operating and Safety Controls §M2003 Expansion Tanks §M2004 Water Heaters Used For Space Heating §M2005 Water Heaters §M2006 Pool Heaters

Chapter 21 Overview §M2101 Hydronic Piping Systems Installation §M2102 Baseboard Convectors §M2103 Floor Heating Systems §M2104 Low Temperature Piping §M2105 Ground-Source Heat-Pump System Loop Piping

Chapter 22 Overview §M2201 Oil Tanks §M2202 Oil Piping, Fitting and Connections §M2203 Installation §M2204 Oil Pumps and Valves

Chapter 23 Overview §M2301 Solar Thermal Energy Systems

G2401 (101) Overview

G2402 (201) Overview

G2403 (202) Overview

G2404 (301) Overview

G2405 (302) Overview

G2406 (303) Overview G2406.2 Prohibited Locations

G2407 (304) Overview G2407.5.1 Standard Method

G2408 (305) Overview

G2409 (308) Overview

G2410 (309) Overview

G2411 (310) Overview

G2412 (401) Overview

G2413 (402) Overview

G2414 (403) Overview

G2415 (404) Overview

G2416 (405) Overview

G2417 (406)Overview

G2418 (407) Overview

G2419.4 (408) Sediment trap

G2420 (409) Overview

G2421 (410) Overview

G2422 (411) Overview

G2423 (413) Overview

G2424 (415) Overview

G2425 (501) Overview

G2426 (502) Overview

G2427 (503) Overview

G2428 (504) Overview

G2429 (505) Overview

G2430 (506) Overview

G2431 (601) Overview

G2432 (602) Overview

G2433 (603) Overview

G2434 (604) Overview

G2435 (605) Overview

G2436 (608) Overview

G2437 (609) Overview

G2438 (613) Overview

G2439 (614) Overview

G2440 (615) Overview

G2441 (617) Overview

G2442 (618) Overview

G2443 (619) Overview

G2444 (620) Overview

G2445 (621) Overview

G2446 (622) Overview

G2447 (623) Overview

G2448 (624) Overview

G2449 (627) Overview

G2450 (628) Overview

G2451 (630) Overview

G2452 (631) Overview

G2453 (634) Overview

G2454 (636) Overview

§P2501 General §P2502 Existing Plumbing Systems §P2503 Inspection and Tests

§P2601 General §P2602 Individual Water Supply and Sewage Disposal §P2603 Structural and Piping Protection §P2604 Trenching and Backfilling §P2605 Support §P2606 Penetrations §P2607 Waterproofing of Openings §P2608 Workmanship §P2609 Materials Evaluation and Listing

§P2701 Fixtures, Faucets and Fixture Fittings §P2702 Fixture Accessories §P2703 Tail Pieces §P2704 Slip-Joint Connections §P2705 Installation §P2706 Waste Receptors §P2707 Directional Fittings §P2708 Showers §P2709 Shower Receptors §P2710 Shower Walls §P2711 Lavatories §P2712 Water Closets §P2713 Bathtubs §P2714 Sinks §P2715 Laundry Tubs §P2716 Food-Waste Disposer §P2717 Dishwashing Machines §P2718 Clothes Washing Machine §P2719 Floor Drains §P2720 Whirlpool Bathtubs §P2721 Bidet Installations §P2722 Fixture Fitting §P2723 Macerating Toilet Systems §P2724 Specialty Temperature Control Devices and Valves §P2725 Nonliquid Saturated Treatment Systems

§P2801 General §P2802 Solar Water Heating Systems §P2803 Water Heaters Used for Space Heating §P2804 Relief Valves

Chapter 29 Overview §P2901 General §P2902 Protection of Potable Water Supply §P2903 Water Supply System §P2904 Dwelling Unit Fire Sprinkler Systems §P2905 Heated Water Distribution Systems §P2906 Materials, Joints and Connections §P2907 Changes in Direction §P2908 Support §P2909 Drinking Water Treatment Units §P2910 Nonpotable Water Systems §P2911 On-Site Nonpotable Water Systems §P2912 Nonpotable Rainwater Collection and Distribution Systems §P2913 Reclaimed Water Systems

Chapter 30 Overview §P3001 General §P3002 Materials §P3003 Joints and Connections §P3004 Determining Drainage Fixture Units §P3005 Drainage System §P3006 Sizing of Drain Pipe Offsets §P3007 Sumps and Ejectors §P3008 Backwater Valves §P3009 Subsurface Landscape Irrigation Systems §P3010 Replacement of Underground Building Sewers and Building Drains by Pipe Bursting Methods §P3011 Replacement of Underground Sewers by PVC Fold and Form Methods

Chapter 31 Overview §P3101 Vent Systems §P3102 Vent Stacks and Stack Vents §P3103 Vent Terminals §P3104 Vent Connections and Grades §P3105 Fixture Vents §P3106 Individual Vents §P3107 Common Vent §P3108 Wet Venting §P3109 Waste Stack Vent §P3110 Circuit Venting §P3111 Combination Waste and Vent System §P3112 Island Fixture Venting §P3113 Vent Pipe Sizing §P3114 Air Admittance Valves

Chapter 32 Overview §P3201 Fixture Traps

§P3301 General §P3302 Subsoil Drains §P3303 Sumps and Pumping Systems

§E3401 General §E3402 Building Structure Protection §E3403 Inspection and Approval §E3404 General Equipment Requirements §E3405 Equipment Location and Clearances §E3406 Electrical Conductors and Connections §E3407 Conductor and Terminal Identification

§E3501 General

§E3601 General Services §E3602 Service Size and Rating §E3603 Service, Feeder and Grounding Electrode Conductor Sizing §E3604 Overhead Service and Service-Entrance Conductor Installation §E3605 Service-Entrance Conductors §E3606 Service Equipment--General §E3607 System Grounding §E3608 Grounding Electrode System §E3609 Bonding §E3610 Grounding Electrode Conductors §E3611 Grounding Electrode Conductor Connection to the Grounding Electrodes

§E3701 General §E3702 Branch Circuit Ratings §E3703 Required Branch Circuits §E3704 Feeder Requirements §E3705 Conductor Sizing and Overcurrent Protection §E3706 Panelboards

Chapter 38 Overview ☆ §E3801 General Requirements §E3802 Above-Ground Installation Requirements §E3803 Underground Installation Requirements

Chapter 39 Overview ☆ §E3901 Receptacle Outlets §E3902 Ground-Fault and Arc-Fault Circuit Interrupter Protection §E3903 Lighting Outlets §E3904 General Installation Requirements §E3905 Boxes, Conduit Bodies and Fittings §E3906 Installation of Boxes, Conduit Bodies and Fittings §E3907 Cabinets and Panelboards §E3908 Grounding §E3909 Flexible Cords

Chapter 40 Overview ☆ §E4001 Switches §E4002 Receptacles §E4003 Luminaires §E4004 Luminaire Installation §E4005 Track Lighting

§E4101 General

§E4201 General §E4202 Wiring Methods for Pools, Spas, Hot Tubs and Hydromassage Bathtubs §E4203 Equipment Location and Clearances §E4204 Bonding §E4205 Grounding §E4206 Equipment Installation §E4207 Storable Swimming Pools, Storable Spas, and Storable Hot Tubs §E4208 Spas and Hot Tubs §E4209 Hydromassage Bathtubs

§E4301 General §E4302 Power Sources §E4303 Wiring Methods §E4304 Installation Requirements