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Exam Review

Key Facts: AZ ROC CR-42 Roofing Exam

50 Questions

Official Question Count

PSI Content Outline

120 Minutes

Time Limit

PSI Content Outline

70%

Passing Score

Arizona Registrar of Contractors

$66

Exam Fee

PSI Services LLC

Open Book Computerized MCQ

Exam Format

PSI / AZ ROC Guidelines

100 Questions

Practice Question Bank

OpenExamPrep Practice Bank

The Arizona ROC CR-42 Roofing Examination consists of 50 multiple-choice questions administered in a 120-minute open-book PSI computer-delivered session with a 70% passing threshold ($66 exam fee). This online practice bank provides 100 realistic practice questions with detailed technical explanations, code citations, and worked calculations.

Sample AZ ROC CR-42 Roofing Practice Questions

Try these sample questions to review concepts for the AZ ROC CR-42 Roofing exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1According to OSHA 29 CFR 1926.501, at what trigger height above a lower level must contractors provide fall protection for employees constructing or repairing steep-slope roofs (slope greater than 4:12)?
A.4 feet
B.6 feet
C.8 feet
D.10 feet
Explanation: OSHA 1926.501(b)(11) mandates that each employee on a steep roof with an unprotected side or edge 6 feet (1.8 m) or more above lower levels must be protected from falling. Acceptable fall protection systems include guardrail systems with toeboards, safety net systems, or personal fall arrest systems. This 6-foot trigger height is the standard threshold across general construction roofing operations.
2On a low-slope roof with a width of 50 feet or less, which fall protection system combination is permitted by OSHA 1926.501(b)(10) without requiring personal fall arrest systems or guardrails?
A.Safety monitoring system alone
B.Warning line system alone without any monitor
C.Catch platforms without guardrails
D.Controlled access zone with no monitor
Explanation: Under OSHA 1926.501(b)(10), on roofs 50 feet (15.25 m) or less in width, the use of a safety monitoring system alone (without a warning line system) is permitted during performance of roofing activities. On roofs wider than 50 feet, a safety monitoring system can only be used in combination with a warning line system.
3When setting up an OSHA-compliant warning line system on a low-slope roof where mechanical equipment is NOT in use, what is the minimum distance the warning line must be erected from the roof edge?
A.3 feet
B.6 feet
C.8 feet
D.10 feet
Explanation: OSHA 1926.502(f)(1)(i) mandates that warning lines must be erected not less than 6 feet (1.8 m) from the roof edge when mechanical equipment is not being used. The line must be flagged at 6-foot intervals with high-visibility material and rigged between 34 inches and 39 inches high.
4When mechanical equipment is operated perpendicular to the roof edge on a low-slope roof, what minimum distance from the edge must the warning line be placed?
A.6 feet
B.8 feet
C.10 feet
D.12 feet
Explanation: Per OSHA 1926.502(f)(1)(ii), when mechanical equipment is being used, the warning line must be erected not less than 6 feet from the roof edge that is parallel to the direction of equipment operation, and not less than 10 feet (3.0 m) from the roof edge that is perpendicular to the direction of equipment operation.
5According to OSHA 1926.502(d)(15), anchorages used for attachment of Personal Fall Arrest Systems (PFAS) must be capable of supporting how much weight per employee attached?
A.2,500 pounds
B.3,000 pounds
C.4,000 pounds
D.5,000 pounds
Explanation: OSHA 1926.502(d)(15) specifies that anchorages used for PFAS must be independent of any anchorage being used to support or suspend platforms, and capable of supporting at least 5,000 pounds (22.2 kN) per employee attached, or designed, installed, and used under the supervision of a qualified person as part of a complete PFAS with a safety factor of two.
6What is the maximum allowable free fall distance permitted by OSHA when utilizing a personal fall arrest system?
A.4 feet
B.6 feet
C.8 feet
D.10 feet
Explanation: OSHA 1926.502(d)(16)(iii) requires that personal fall arrest systems be rigged such that an employee can neither free fall more than 6 feet (1.8 m) nor contact any lower level. Additionally, deceleration distance must not exceed 3.5 feet.
7Portable extension ladders used to access an elevated roof deck must extend how far above the landing surface according to OSHA 1926.1053(b)(1)?
A.2 feet (24 inches)
B.3 feet (36 inches)
C.4 feet (48 inches)
D.5 feet (60 inches)
Explanation: OSHA 1926.1053(b)(1) requires that when portable ladders are used for access to an upper landing surface, the ladder side rails must extend at least 3 feet (0.9 m) above the upper landing surface. If such an extension is not possible, the ladder must be secured at its top and a grasping device like a grabrail must be provided.
8What is the maximum pitch ratio required when positioning a portable non-self-supporting ladder against a roof edge?
A.3:1 ratio (70 degrees)
B.4:1 ratio (75.5 degrees)
C.5:1 ratio (78.5 degrees)
D.6:1 ratio (80.5 degrees)
Explanation: Per OSHA 1926.1053(b)(5)(i), non-self-supporting ladders must be used at an angle such that the horizontal distance from the top support to the foot of the ladder is approximately one-quarter of the working length of the ladder (a 4:1 ratio or 75.5 degrees).
9On low-slope roofs, what is the maximum roof width allowed for a contractor to use a safety monitoring system as the SOLE fall protection system?
A.25 feet
B.40 feet
C.50 feet
D.75 feet
Explanation: OSHA 1926.501(b)(10) specifies that on roofs 50 feet (15.25 m) or less in width, the use of a safety monitoring system alone is permitted. On roofs wider than 50 feet, safety monitoring must be combined with a warning line system.
10Which of the following is a strict OSHA requirement for a designated safety monitor on a roofing jobsite?
A.The monitor can perform roofing duties if within 20 feet of the edge
B.The monitor must be on the same walking/working surface and have visual contact with workers
C.The monitor may oversee workers on multiple roof levels simultaneously
D.The monitor must wear a full-body harness tied off to a 5,000-lb anchor
Explanation: OSHA 1926.502(h)(1) requires the safety monitor to be a competent person, located on the same walking/working surface as employees, within visual sighting distance of employees, close enough to communicate orally, and having no other responsibilities that take attention away from monitoring.

About the AZ ROC CR-42 Roofing Exam

The Arizona ROC CR-42 Roofing Examination is a computer-delivered, open-book trade examination administered by PSI Services LLC for the Arizona Registrar of Contractors. The exam tests comprehensive roofing construction knowledge including OSHA 1926 Subpart M fall protection, steep-slope tile and shingle installation, low-slope BUR/Modified Bitumen/TPO/EPDM membranes, flashing and sheet metal details, decking and insulation substrates, and roof plan math calculations.

Exam sponsor: Arizona ROC / PSI Services LLC. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

50 questions

Time Limit

120 minutes

Passing Score

70%

Exam / Certification Fees

$66

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

40%

Steep and Low Slope Roofing, including BUR and Waterproofing

20 of 50 items on the official PSI content outline. Asphalt shingles, tile, metal, single-ply and built-up membranes, and waterproofing assemblies.

20%

Roofing Components

10 of 50 items on the official PSI content outline. Underlayment, flashing, drip edge, vents, drainage and accessories.

12%

Safety

6 of 50 items on the official PSI content outline. OSHA 29 CFR 1926 fall protection, ladders, hot-work and material handling on roofs.

10%

Estimating and Plan Reading

5 of 50 items on the official PSI content outline. Roof area and slope factors, squares, waste and material takeoffs from plans.

10%

Surface Preparation and Planning

5 of 50 items on the official PSI content outline. Deck inspection and preparation, sequencing, weather and staging.

8%

Repairs and Reroofing

4 of 50 items on the official PSI content outline. Tear-off versus recover, repair methods and existing-roof evaluation.

Preparing for the AZ ROC CR-42 Roofing Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 50 questions
  • Time limit: 120 minutes
  • Exam / certification fees: $66 Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

AZ ROC CR-42 Roofing: Suggested Study Strategy

1Master OSHA 1926 Subpart M: memorize 6-ft fall trigger height on steep slopes, 6-ft warning line setbacks (10-ft for perpendicular mechanical equipment), 5,000-lb anchor requirements, and 3-ft extension ladder rule.
2Understand steep-slope underlayment rules: 4:12 minimum pitch for standard shingle application; double-layer underlayment (19-inch lap) required for 2:12 to 4:12 slopes.
3Study tile installation standards: mechanical fastening required on all tiles at 5:12 pitch and greater; 3-inch minimum headlap; high-temp underlayment (up to 250°F) required in desert climates.
4Know low-slope membrane properties: TPO/PVC joined by hot-air fusion welding; EPDM joined by primer and double-sided seam tape; APP modified bitumen is plasticized/torch-applied; SBS is rubberized.
5Practice roof plan calculations: pitch multiplier formula sqrt(1 + (rise/run)^2), converting sq ft to roofing squares (100 sq ft = 1 square), and factoring waste.

Frequently Asked Questions

How many questions are on the official Arizona ROC CR-42 Roofing exam?

The official PSI CR-42 Roofing content outline lists 50 multiple-choice questions with 120 minutes allowed.

What passing score is required for the AZ ROC CR-42 exam?

A minimum passing score of 70% (35 correct out of 50 questions) is required to pass the trade exam.

Is the Arizona ROC CR-42 Roofing exam open book?

Yes, the examination is open-book. Approved reference books (such as NRCA Roofing Manuals, IBC 2021, IRC 2021, SMACNA Architectural Sheet Metal Manual, and OSHA 29 CFR 1926) may be brought into the PSI test center.

What topics carry the highest weight on the exam?

Steep-Slope Roofing carries the highest weight at 24%, followed by Low-Slope Roofing at 22% and OSHA Fall Protection & Safety at 18%.

Where can I schedule the AZ ROC CR-42 Roofing exam?

Examinations are scheduled online through PSI Services LLC at https://test-takers.psiexams.com/azcon or by phone with PSI candidate services.