ICC Residential Building Inspector (B1) Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the ICC Residential Building Inspector (B1) Vocabulary Game
A free word game for the ICC Residential Building Inspector (B1) exam. Each round shows a clue for one of 44 exam terms across 7 topics. Recall the term, spell it out, then read a short explanation. Rounds pick a random term, so you can keep playing as long as you like.
How to Play
- 1Read the clue and type a term with the right number of letters (3 to 6). Abbreviations count: type the letters only.
- 2Press Check Answer or Enter. Each letter changes color to show how close you are.
- 3You have 6 tries. Stuck? Need a hint? asks the AI tutor for a nudge without giving the term away.
- 4After the round, read the explanation, ask the AI to explain it, share your result, or press Next.
- ARight letter, right spot
- AIn the term, wrong spot
- ANot in the term
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Topics in the ICC Residential Building Inspector (B1) Vocabulary Game
Code Administration
Building Planning
Footings and Foundations
Floor Construction
Wall Construction
Roof and Ceiling
Public Safety
Sources for these terms (21)
- ICC Certification & Exam Catalog — Residential Building Inspector (B1) · Source checked 2026-11-02
- ICC Current Certification Exams — National Exams (Updated January 12, 2026) · Source checked 2026-11-02
- 2026 Oregon Residential Specialty Code (2024 IRC) — Chapter 1: Scope and Administration · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 2: Definitions · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 3: Building Planning · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 4: Foundations · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 5: Floors · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 6: Wall Construction · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 7: Wall Covering · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 8: Roof-Ceiling Construction · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 9: Roof Assemblies · Source checked 2026-11-02
- 2021 International Residential Code (Seattle Residential Code) — Chapter 10: Chimneys and Fireplaces · Source checked 2026-11-02
- DOE Building America Solution Center — Final Grade Slopes Away from Foundation · Source checked 2026-11-02
- DOE Building America Solution Center — Footing Drain Pipe · Source checked 2026-11-02
- DOE Building America Solution Center — Flood-Resistant Pier, Pile, Post, and Column Foundations · Source checked 2026-11-02
- DOE Building America Solution Center — Seismic and Thermal Resistance in Slab-on-Grade Foundations with Turned-Down Footings · Source checked 2026-11-02
- DOE Building America Solution Center — Flood-Resistant Crawlspace Foundations · Source checked 2026-11-02
- DOE Building America Solution Center — Insulating and Sealing Structural Headers Code Compliance Brief · Source checked 2026-11-02
- DOE Building America Solution Center — Structural Sheathing (Plywood/OSB) in Exterior Walls · Source checked 2026-11-02
- DOE Building America Solution Center — Air Sealing and Insulating Garage Walls Code Compliance Brief · Source checked 2026-11-02
- DOE Building America Solution Center — Roof Valleys and Penetrations Sealed · Source checked 2026-11-02
About the ICC B1 Exam
The ICC Residential Building Inspector (B1) exam is administered by the International Code Council and certifies individuals to inspect one- and two-family dwellings, townhomes up to three stories, and accessory structures for compliance with the International Residential Code (IRC). The open-book exam tests knowledge of building planning, foundations, floor construction, wall construction, roof/ceiling construction, and public safety requirements. ICC B1 certification is recognized in all 50 states and is a critical credential for building inspection careers.
Exam sponsor: ICC (Pearson VUE / PRONTO). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
60 questions
Time Limit
2 hours
Passing Score
75 (scaled score)
Reported exam pass rate: ~60-70%. estimated first-time pass rate This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the ICC B1 vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How does the ICC B1 vocabulary game work?
Each round shows a clue for one of 44 ICC B1 terms. Guess the term in six tries: green means the right letter in the right spot, yellow means the letter is in the term but in another spot, and gray means it is not in the term. After the round, read the explanation and play the next term.
Where do the ICC B1 terms come from?
OpenExamPrep researched each term from the ICC (Pearson VUE / PRONTO) content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What score do I need to pass the ICC B1 exam?
The ICC B1 exam requires a scaled score of 75 to pass, which corresponds to approximately 75% of questions answered correctly (about 45 out of 60 questions). If you pass, you see 'PASS' on your results — no numerical score is shown for passing candidates. If you fail, you receive a diagnostic report showing your performance by content area. The exam uses scaled scoring set by the ICC Exam Development Committee.
Is the ICC B1 exam open-book?
Yes, the ICC B1 exam is open-book. You are allowed to use the International Residential Code (IRC) as your reference during the exam. You can tab, highlight, and annotate your codebook. However, with only 2 minutes per question on average, you need to be very familiar with the IRC layout and able to find information quickly. Most successful candidates tab key sections and practice code lookups before the exam.