Model Codes › IBC 2021
International Building Code
IBC 2021 · International Code Council
This is the model code as published. It carries no state or local amendments. Most jurisdictions adopt an I-Code with amendments, and many are on a different edition — check what yours has adopted on its jurisdiction page before relying on anything here.
1,720 sections across 33 chapters on BuildSpec · 2 of the 35 chapters are not in the library yet
Chapters
Chapter 1
Scope and Administration
134 sections →
Chapter 2
Definitions
5 sections →
Chapter 3
Occupancy Classification and Use
77 sections →
Chapter 4
Special Detailed Requirements Based on Occupancy and Use
150 sections →
Chapter 5
General Building Heights and Areas
38 sections →
Chapter 6
Types of Construction
23 sections →
Chapter 7
Fire and Smoke Protection Features
136 sections →
Chapter 8
Interior Finishes
36 sections →
Chapter 9
Fire Protection and Life Safety Systems
176 sections →
Chapter 10
Means of Egress
185 sections →
Chapter 11
Accessibility
49 sections →
Chapter 12
Interior Environment
27 sections →
Chapter 13
Energy Efficiency
2 sections →
Chapter 14
Exterior Walls
30 sections →
Chapter 15
Roof Assemblies and Rooftop Structures
61 sections →
Chapter 16
Structural Design
69 sections →
Chapter 17
Special Inspections and Tests
57 sections →
Chapter 18
Soils and Foundations
69 sections →
Chapter 19
Concrete
26 sections →
Chapter 20
Aluminum
2 sections →
Chapter 21
Masonry
30 sections →
Chapter 22
Steel
24 sections →
Chapter 23
Wood
62 sections →
Chapter 24
Glass and Glazing
29 sections →
Chapter 25
Gypsum Board, Gypsum Panel Products, and Plaster
28 sections →
Chapter 26
Plastic
37 sections →
Chapter 27
Electrical
29 sections →
Chapter 28
Mechanical Systems
1 section →
Chapter 29
Plumbing Systems
17 sections →
Chapter 30
Elevators and Conveying Systems
30 sections →
Chapter 31
Special Construction
29 sections →
Chapter 32
Encroachments Into the Public Right-of-Way
18 sections →
Chapter 33
Safeguards During Construction
34 sections →
Chapter 34
Existing Buildings and Structures
Not in the library yet
Chapter 35
Referenced Standards
Not in the library yet
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