IRC 2021 · Model
Chapter 3: Building Planning
162 sections in this chapter of the IRC 2021 model text — not Model's amended edition.
301.1.4 Intermodal shipping containers Intermodal shipping containers that are repurposed for use as buildings or structures shall be designed in accordance with the structural provisions in Section 3115 of the International Building Code.
Plain-English guides for this chapter
- Stairs — IRC R311.7.5.1, IRC R311.7.5.2
- Egress Windows — IRC R310.1, IRC R310.2.1
- Handrails & Guards — IRC R311.7.8, IRC R311.7.8.1
- Smoke & CO Alarms — IRC R314.3, IRC R314.3
- Tempered Glass — IRC R308.4.1, IRC R308.4.2
- Window Wells — IRC R310.2.3, IRC R310.2.3
- Garage Separation — IRC R302.6, Table R302.6, IRC Table R302.6
- Window Fall Protection — IRC R312.2.1, IRC R312.2.1
- Ceiling Height — IRC R305.1, IRC R305.1
- Bedroom Requirements — IRC R304.1, R304.3, IRC R304.2
- Ramps — IRC R311.8.1, IRC R311.8.1
- Landings at Doors & Stairs — IRC R311.3, IRC R311.3.1
- Egress Door & Hallways — IRC R311.2, IRC R311.2
- Deck Stairs — IRC R311.7.1, IRC R311.7.5.1, R311.7.5.2
- ADU Code Basics — IRC R202, IRC R305.1
- Fireblocking — IRC R302.11, IRC R302.11
- Bathroom Clearances — IRC R307.1, Fig. R307.1, IRC R307.1
- Basement Finishing — IRC R305.1, IRC R310.1
- Garage Floor Slope & Drainage — IRC R309.1, IRC R309.1
- Bathroom Ventilation — IRC R303.3, IRC R303.3
- Shower Size — IRC P2708.1, IRC P2708.1
- Fence Height — IRC R105.2, Local zoning ordinance (not IRC)
- Deck Ledger — IRC R507.9.1.3, IRC R507.9.1.1, R507.9.1.2
- Crawl Space Ventilation — IRC R408.1, R408.2, IRC R408.2
- Floor Joist Spans — IRC R502.3, Table R502.3.1(2), IRC Table R502.3.1(1)
- Pool Barriers — IRC R326 / ISPSC 305, ISPSC 305
- Retaining Walls — IRC R105.2, IRC R404.4
- Anchor Bolts — IRC R403.1.6, IRC R403.1.6
- Driveway Slope — IRC R401.3, Local public works / zoning standards (not IRC)
- Roof Snow Load — IRC Table R301.2, IRC R301.2.3
- 301.1.4Intermodal shipping containers
- 308.1.1Identification of multiple assemblies
- 312.1Guards
- 312.2Window fall protection
- 314.1General
- 315.1General
- R301.1Application
- R301.1.1Alternative provisions
- R301.1.2Construction systems
- R301.1.3Engineered design
- R301.2Climatic and geographic design criteria
- R301.2.1Wind design criteria
- R301.2.1.1Wind limitations and wind design required
- R301.2.1.2Protection of openings
- R301.2.1.4Exposure category
- R301.2.2Seismic provisions
- R301.2.2.1Determination of seismic design category
- R301.2.2.2Weights of materials
- R301.2.2.3Stone and masonry veneer
- R301.2.3Snow loads
- R301.2.4Floodplain construction
- R301.3Story height
- R301.4Dead load
- R301.5Live load
- R301.6Roof load
- R301.7Deflection
- R302.1Exterior walls
- R302.10Flame spread index and smoke-developed index for insulation
- R302.10.1Insulation
- R302.11Fireblocking
- R302.11.1Fireblocking materials
- R302.12Draftstopping
- R302.13Fire protection of floors
- R302.2Townhouses
- R302.2.1Double walls
- R302.2.2Common walls
- R302.2.3Continuity
- R302.3Two-family dwellings
- R302.3.1Supporting construction
- R302.4Dwelling unit rated penetrations
- R302.4.2Membrane penetrations
- R302.5Dwelling-garage opening and penetration protection
- R302.5.1Opening protection
- R302.6Dwelling-garage fire separation
- R302.7Under-stair protection
- R302.8Foam plastics
- R302.8.1Interior finish
- R302.9Flame spread index and smoke-developed index for wall and ceiling finishes
- R302.9.1Flame spread index
- R303.1Habitable rooms
- R303.10Required heating
- R303.2Adjoining rooms
- R303.3Bathrooms
- R303.7Interior stairway illumination
- R303.8Exterior stairway illumination
- R303.9Required glazed openings
- R304.1Minimum area
- R304.2Minimum dimensions
- R304.3Height effect on room area
- R305.1Minimum height
- + 102 more sections
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