Everything you need to pass the B2 exam — study guides, practice tests, audio cram sessions, and a proven tabbing system for the 2024 IBC.
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Everything you need for the B2 Commercial Building Inspector exam — based on the 2024 International Building Code® (IBC)
6-hour structured review covering Public Safety and Special Construction, Wall Construction and Coverings, Building Planning, and more — weighted to match B2 exam percentages
Timed 80-question simulation matching the B2 exam format with detailed answer explanations
Digital flip-cards for key terms, code sections, and references from the 2024 International Building Code® (IBC)
Listen-and-learn audio covering high-yield B2 topics for studying on the go
Color-coded tab system for the 2024 International Building Code® (IBC) — find answers fast during your open-book exam
Win the computer-based PRONTO exam: digital code book search tactics and a category-by-category section-finding playbook for the B2
Insert sheets with key tables, formulas, and values from the 2024 International Building Code® (IBC) for blank code book pages
6-8 week structured program prioritized by B2 category weights — heaviest topics first
Intensive pre-exam review focusing on the highest-weighted B2 topics: Public Safety and Special Construction, Wall Construction and Coverings, Building Planning
Our study materials cover every category tested
Get a head start on your B2 Commercial Building Inspector exam preparation with this preview of our comprehensive study guide. Sign up for full access to all study materials.
This guide follows the official 2024 ICC B2 outline exactly: seven inspection-phase categories, each broken into the outline's named sub-topics. Every sub-topic names the governing 2024 IBC sections and tables and gives the numeric values an inspector is expected to look up and apply. Work the categories in weight order (Public Safety and Special Construction first), but do not skip the small ones -- the exam samples every sub-topic.
Exam format
Category weights (2024 outline)
| Category | Weight | Approx. questions | Sub-topics |
|---|---|---|---|
| General Administration | 6% | ~5 | Project Administration; Public Information and Legal; Plan Reading |
| Building Planning | 20% | ~16 | Fire Resistance-Rated Construction; Building Location; Interior Environment; Occupancy Classification and Type of Construction; Safeguards During Construction; Accessibility; Material Quality; Interior Coverings |
| Footings and Foundations | 8% | ~6 | Footings; Stepped Footings and Special Foundations; Piles and Piers; Foundation Walls |
| Floor Construction | 8% | ~6 | Floor Systems; Concrete Slabs |
| Wall Construction and Coverings | 21% | ~17 | Wood Wall Systems; Steel Framing Systems; Masonry Wall Systems; Concrete Wall Systems; Wall Reinforcement; Exterior Sheathing and Weather-Resistant Coverings |
| Roof/Ceiling Construction | 6% | ~5 | Roof/Ceiling Assemblies; Roof Sheathing and Coverings |
| Public Safety and Special Construction | 31% | ~25 | Means of Egress; Fire Protection Systems; Smoke and Fire Venting Control; Interior Finishes and Insulation; Safety Glazing and Glass; Opening Protectives, Penetrations, and Joint Systems; Miscellaneous Construction; Building Services and Special Construction; Fireplaces and Chimneys |
2024 edition notes. Section numbering is largely unchanged from 2021. Moves that matter: 104.11 is now 104.2.3 (alternatives) and 104.10 is 104.2.4 (modifications); the exterior wall openings table moved from 705.8 to 705.9 (now Table 705.9); 1107.6 is now 1108.6 (Type A/Type B units) and 1109.2 is 1110.2 (toilet facilities); conventional light-frame construction renumbered (2308.3 to 2308.7, 2308.4 to 2308.8, 2308.5 to 2308.9, 2308.7 to 2308.11, with cutting/notching consolidated in 2308.6); cold-formed steel moved from 2210/2211 to 2204/2206. The 2021 edition's exterior-wall table (602) no longer exists -- exterior wall ratings by fire separation distance are in Table 705.5. Table 601 gained Type IV-A, IV-B and IV-C columns. New sections: 428 (higher education laboratories), 1207 (classroom acoustics), 1208 (interior space dimensions), 3009 (private residence elevators), 3110-3114 (vehicular gates, solar, greenhouses, relocatable buildings, shipping containers).
Verify that project information is adequate, that the design is by approved persons where required, that products not detailed in the code are approved and installed per their listing, and that approved plans are available on site and retained by the building official.
| Requirement | Rule | Section |
|---|---|---|
| Enforcement authority | The building official is authorized and directed to enforce the code | 104.1 |
| Interpretations and policies | Building official determines compliance, renders interpretations, adopts policies | 104.2 |
| Listed compliance | Where a listing standard is specified, the listing must be to that standard | 104.2.1 |
| Alternative materials, design and methods | Permitted where approved; must not be prohibited by the code; 104.2.3.3 compliance with intent, 104.2.3.4 equivalency | 104.2.3 |
| Evaluation reports | Issued by an approved agency; use requires the building official's approval for the installation | 104.2.3.6.1 |
| Modifications | For individual cases with practical difficulties; must not lessen health, accessibility, life and fire safety or structural requirements | 104.2.4 |
| Design by registered design professional | Required where the statutes of the jurisdiction require it; documents submitted in two or more sets or digitally | 107.1 |
| Construction documents | Dimensioned, on suitable material, of sufficient clarity to show location, nature and extent of work | 107.2.1 |
| Approved documents | Stamped "Reviewed for Code Compliance"; one set retained by the building official, the other kept at the site and open to inspection | 107.3.1 |
| Retention | Approved documents retained not less than 180 days from completion, or as state/local law requires | 107.5 |
| Labels | Manufacturer's identification, model/serial number or performance information, and the approved agency's identification | 1703.5.3 |
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Created by Levi Mittag — a Certified Building Official, Field Inspection Supervisor, and Lean Six Sigma Black Belt with 19 ICC certifications and 26 years in the building industry.
7 days free, then $19/mo. All 28 exams included. No credit card required.
Not just practice questions — a complete study system with audio, tabbing, and strategy.
Built by an active supervisor who uses these methods to train his own inspection team.