IL-ROOF Pass Rate 2026: What the Data Shows

What "Pass Rate" Actually Means for IL-ROOF

Searching for an "IL-ROOF pass rate" usually means you want a number: some percentage that tells you how likely you are to pass the Illinois Residential, Commercial and Industrial Roofing Examination on the first try. That number doesn't exist in any public form from either the Illinois Department of Financial and Professional Regulation (IDFPR) or Continental Testing Services (CTS), the vendor that administers the exam. Instead of guessing at a figure, this article breaks down the mechanics that actually determine whether a candidate passes: the scoring threshold, the question distribution across the six content domains, the exam format, and the logistics that trip people up before they ever sit down at a testing station.

If you're building a study plan around statistics rather than substance, you're optimizing for the wrong thing. The exam rewards specific knowledge of Illinois roofing codes, safety protocols, and installation practices - not test-taking folklore.

Why Illinois Doesn't Publish a Public Pass Rate

Many state contractor licensing exams administered through third-party vendors like CTS don't release aggregate scoring data publicly. This is common across trade licensing - plumbing, electrical, and HVAC boards in many states follow the same pattern. The absence of a published rate isn't unusual, but it does mean candidates need to rely on the actual test blueprint rather than word-of-mouth estimates about difficulty.

What you can rely on is the structure IDFPR and CTS have published: the exam is multiple choice, contains 130 questions, and must be completed within 150 minutes. A score of 70 or higher is required to pass. Those are fixed, documented facts - unlike any percentage claiming to represent how many candidates succeed statewide.

The Passing Score Mechanics: 70 on 130 Questions

Because there's no published pass rate, the most useful planning tool is understanding exactly how the score works. You need 70 or higher out of 130 multiple-choice questions, completed inside a 150-minute window. That works out to roughly 1.15 minutes per question on average, though the real-world pacing varies since some questions (particularly load calculations or code citations) take longer than simple definitional items.

For a full breakdown of exactly what the passing threshold means in raw question counts and how to pace yourself across the test, see IL-ROOF Passing Score 2026: Exactly What You Need to Pass.

Domain Weighting and Where Points Concentrate

CTS publishes the official item allocation across the six content domains. This is the single most useful data point for prioritizing study time, because it tells you exactly how many questions come from each area:

For a deeper walkthrough of what each domain actually tests - including specific NRCA references and code sections - read IL-ROOF Exam Domains 2026: Complete Guide to All 6 Content Areas.

Why Steep-Slope and Safety Drive Most Outcomes

Two domains account for over 46% of the exam's total questions. If you're short on study time, these are non-negotiable priorities.

Between them, Steep-Slope and Safety represent the difference between a comfortable pass and a razor-thin score. If your background is heavier on commercial low-slope work, plan extra review time here rather than assuming general roofing experience covers it.

Registration, Fees, and Deadlines That Affect Readiness

Pass likelihood isn't only about content knowledge - it's also about not sabotaging yourself on logistics. The CTS exam fee is currently $248, separate from the $125 IDFPR business-license application that comes after passing. Passing the exam alone does not issue your license; you still submit the license application along with entity, insurance, and bonding documentation.

Registration deadlines matter more than most candidates expect. The November 4, 2026 examination has an October 7, 2026 registration deadline - miss that cutoff and you're pushed to the next available sitting, which delays your ability to bid work under an unlimited license. CTS currently lists Hillside and Springfield as testing locations, so factor travel time into your scheduling too.

For the complete fee breakdown including renewal costs and bonding requirements, see IL-ROOF Certification Cost 2026: Complete Pricing Breakdown, and for the full testing calendar see IL-ROOF Exam Dates 2026: Testing Windows, Deadlines & Scheduling.

Who Takes This Exam and Why Preparation Varies

The Illinois Residential, Commercial and Industrial Roofing Examination is taken by the responsible qualifying party for a roofing business - the individual authorized to supervise installation and participate in day-to-day operations. This isn't a generic industry certification; it's tied directly to whether a business can legally hold an unlimited roofing license in Illinois. Passing alone doesn't issue the license - the qualifying party must also complete the license application within three years and maintain the required $25,000 surety bond along with property-damage and personal-injury coverage.

Because the exam serves this licensing function, candidates range from experienced field superintendents transitioning into ownership roles to business owners who've subcontracted technical work for years but now need to personally qualify. That range in background is exactly why a published pass rate would be misleading anyway - a 20-year steep-slope foreman and a commercial estimator moving into ownership face very different domain gaps.

If you're still confirming eligibility before registering, check IL-ROOF Requirements 2026: Eligibility, Prerequisites & How to Qualify first.

A Domain-Aligned Study Timeline

Rather than a generic weekly template, align your preparation to the actual item allocation. Heavier domains get more calendar time; lighter domains get focused review passes closer to test day.

For structured content review organized this same way, IL-ROOF Study Guide 2026: How to Pass on Your First Attempt walks through each reference material in more depth. And to gauge your realistic readiness before test day, running full-length timed sets on our IL-ROOF practice platform is one of the few ways to simulate the actual 150-minute pressure.

What Actually Affects an Individual Candidate's Odds

Since there's no statewide pass rate to reference, focus on the variables you can control:

• Domain gaps. Field experience concentrated in one domain (say, residential steep-slope) can leave commercial and low-slope knowledge thin - exactly the areas Non-Residential Roofing Systems and Low-Slope questions target.
• Familiarity with the study guide references. The CTS study guide points to specific NRCA roofing, safety, waterproofing/repair, and estimating references plus NASCLA business material - skipping these in favor of generic roofing knowledge leaves gaps on the Rules, Regulations & Business Practices domain.
• Pacing under timed conditions. 130 questions in 150 minutes rewards candidates who've practiced maintaining pace, not just candidates who know the material.
• Logistics readiness. Missing the registration deadline, forgetting a compliant calculator, or misunderstanding the three-year application window can derail an otherwise qualified candidate.

To calibrate how much preparation time you realistically need, How Hard Is the IL-ROOF Exam? Complete Difficulty Guide 2026 breaks down difficulty by domain and background. And if you're weighing whether pursuing the unlimited license is worth the cost and time investment at all, Is the IL-ROOF Certification Worth It? Complete ROI Analysis 2026 covers that decision in detail.

Frequently Asked Questions