FREE ICC B2 Commercial Building Inspector Exam Guide 2026 (2024 IBC, 80 Qs, Pass First Try)
Video
According to the IBC, what is the minimum fire-resistance rating required for Type I-A construction?
Building Codes And Standards
Question · Medium
FREE 2026 ICC B2 Commercial Building Inspector guide: 80 open-book questions, 3.5 hours, 75 scaled pass, 2024 IBC outline, 10-week plan, salary data, tabbing strategy.
Blog
IBC scope — buildings regulated vs exempt (general principle)
Inspection Administration
Flashcard
What is the maximum allowable height (tabular, nonsprinklered) for a Type V-B building with a B (Business) occupancy per IBC Table 504.3?
Official authorization document issued by the building official that allows a specific construction activity to proceed.
General Administration
Guess the Term
Chapter 1: Exam Map, Occupancy & Building Size
Exam Format, ICC B2 Logistics & Blueprint Map
Study guide
Cheat sheet
In the IBC, which occupancy classification applies to a building used primarily for office work?
Occupancy Classification
Question · Easy
Read the clue and guess the term in 6 tries.
Game
Building official authority during construction
What is the minimum required width for a means of egress corridor serving an occupant load of 50 or more in a commercial building?
Means Of Egress
Manufacturer product identification bearing the producer name, performance characteristics, and the identity of an approved testing agency.
According to the IBC, when are two exits required from a story?
Certificate of Occupancy — legal significance
What is the maximum common path of egress travel for a Group B occupancy with a sprinkler system?
Restoring, renewing, or replacing damaged or worn parts of an existing building strictly for maintenance or damage correction.
Use & Occupancy Classification Groups
Which fire-protection system is required for all new commercial buildings exceeding 5,000 square feet per the IBC?
Fire Protection Systems
Question · Hard
Swap tiles to line up three of the same term.
Term Match
Group B (Business) occupancy — typical uses
Use and Occupancy
What is the minimum fire-resistance rating for a fire barrier separating two different occupancy groups in a mixed-use building?
Top-closed vertical interior volume linking at least two stories in Group I-2 or I-3 buildings or at least three stories elsewhere.
Building Planning
According to the IBC, what is the maximum riser height for a stairway in a commercial building?
Group A-2 vs Group A-3 assembly distinction
What is the minimum tread depth for a stairway in a means of egress?
Entertainment or presentation space equipped with overhead hanging curtains, drops, scenery, or effects beyond lighting and sound.
Mixed-Use, Accessory & Special Occupancies
Which occupancy classification includes restaurants and banquet halls?
Flip two cards at a time to find matching terms.
Term Pairs
Group R-1 vs Group R-2 residential occupancy
What is the occupant load factor for business areas in square feet per occupant per the IBC?
Enclosed vertical space extending through one or more stories to connect openings in successive floors, or a floor and roof.
What is the minimum headroom clearance required in a means of egress?
Group H occupancy — why it is high-hazard
When calculating the fire area of a building for sprinkler threshold purposes, how are fire walls treated?
Listed device installed inside ducts or air transfer openings that closes automatically to block flame or smoke passage.
Construction Types & Height/Area Limitations
What is the minimum width of an accessible route in a commercial building?
Accessibility
Find five hidden terms in a grid of letters.
Term Search
Accessory occupancy — definition and separation
What percentage of entrances to a commercial building must be accessible?
Opening between adjacent assemblies created by building tolerances or designed to allow independent thermal, seismic, or wind movement.
What is the maximum door-opening force for an interior hinged door in pounds per the IBC?
Mixed occupancy — separated vs non-separated
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