100+ Free AZ Roofing Contractor Practice Questions

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What is the difference between a 'reroof' and a 'roof replacement' in Arizona building codes?

A reroof is only for commercial buildings

A reroof may include overlay over existing materials while a replacement requires complete tear-off to the deck

A replacement is always cheaper

They are identical terms

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ArticleFree Roofing Contractor Practice Test by State 2026: 1,900+ Questions22 min read

2026 Statistics

Key Facts: AZ Roofing Contractor Exam

70%

Passing Score

AZ ROC

100 Q

Practice Questions

OpenExamPrep

2 hrs

Exam Time

PSI

50 Q

Exam Questions

PSI

4 years

Experience Required

AZ ROC

Arizona requires roofing contractors to pass the CR-42 trade exam. The exam covers roof system installation, BUR, waterproofing, estimating, components, safety, and repair methods specific to Arizona construction standards.

Sample AZ Roofing Contractor Practice Questions

Try these sample questions to test your AZ Roofing Contractor exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which agency oversees roofing contractor licensing in Arizona?

A.Arizona Department of Commerce

B.Arizona Registrar of Contractors (AZ ROC)

C.Arizona Department of Labor

D.Arizona Building Safety Division

Explanation: The Arizona Registrar of Contractors (AZ ROC) oversees all contractor licensing in Arizona, including the CR-42 roofing classification. The ROC issues licenses, investigates complaints, and enforces contractor licensing laws under A.R.S. Title 32, Chapter 10.

2What is the Arizona roofing contractor license classification code?

A.CR-40

B.CR-42

C.CR-44

D.CR-46

Explanation: The CR-42 classification is the Arizona Registrar of Contractors designation for roofing contractors. This license authorizes installation, repair, and maintenance of all roofing systems on residential and commercial structures.

3How many years of experience are required to qualify for an Arizona CR-42 roofing license?

A.2 years

B.3 years

C.4 years

D.5 years

Explanation: Arizona requires 4 years of verifiable roofing experience to qualify for the CR-42 roofing contractor license. This experience must be documented and may include a combination of journeyman work and supervisory roles.

4What is the minimum passing score for the Arizona CR-42 roofing trade exam?

A.60%

B.65%

C.70%

D.75%

Explanation: A minimum score of 70% is required to pass the Arizona CR-42 roofing contractor trade exam. The exam consists of 50 trade-specific questions with a 120-minute time limit.

5Which testing administrator delivers the Arizona CR-42 roofing exam?

A.Prometric

B.Pearson VUE

C.PSI

D.NASCLA

Explanation: PSI administers the Arizona CR-42 roofing contractor trade exam on behalf of the Arizona Registrar of Contractors. Candidates schedule their exam through PSI's testing centers or online scheduling system.

6What is the primary purpose of roof decking?

A.To provide insulation

B.To serve as the structural base for roofing materials

C.To act as a vapor barrier

D.To channel water to drains

Explanation: Roof decking serves as the structural base or substrate to which roofing materials are attached. It transfers the weight of roofing materials and environmental loads to the structural framing. Common decking materials include plywood, OSB, and concrete.

7What minimum roof slope is typically considered 'steep-slope' roofing?

A.2:12

B.3:12

C.4:12

D.6:12

Explanation: A slope of 3:12 (3 inches of rise per 12 inches of horizontal run) or greater is generally classified as steep-slope roofing. Slopes below 3:12 are considered low-slope. This classification determines which roofing materials and methods are appropriate.

8Which roofing material is most commonly used on steep-slope residential roofs in Arizona?

A.Built-up roofing

B.TPO membrane

C.Concrete tile or asphalt shingles

D.EPDM rubber

Explanation: Concrete tile and asphalt shingles are the most common steep-slope residential roofing materials in Arizona. Concrete tile is especially popular due to its durability in extreme heat and its fire resistance, while asphalt shingles offer cost-effectiveness.

9What does BUR stand for in roofing terminology?

A.Building Under Repair

B.Built-Up Roofing

C.Base Underlayment Roof

D.Bitumen Utility Reinforcement

Explanation: BUR stands for Built-Up Roofing, a time-tested low-slope roofing system consisting of alternating layers of bitumen (asphalt or coal tar) and reinforcing fabrics (felts). BUR systems are finished with a flood coat and aggregate or a cap sheet.

10What is the primary function of roof flashing?

A.To add aesthetic appeal

B.To prevent water infiltration at joints and transitions

C.To provide structural support

D.To increase insulation value

Explanation: Flashing prevents water infiltration at vulnerable joints, transitions, and penetrations in the roof system. It is installed at areas such as valleys, chimneys, walls, vents, and roof edges where different surfaces meet and water could otherwise penetrate.

About the AZ Roofing Contractor Exam

The Arizona CR-42 Roofing contractor trade exam covers estimating and plan reading, surface preparation, steep-slope and low-slope roofing including built-up roofing and waterproofing, roofing components, safety regulations, and repairs and reroofing.

Questions

50 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$100 (PSI (for Arizona Registrar of Contractors))

AZ Roofing Contractor Exam Content Outline

40%

Steep/Low Slope Roofing, BUR & Waterproofing

Built-up roofing, single-ply, modified bitumen, steep-slope shingles, tile, metal, waterproofing membranes

20%

Roofing Components

Flashing, vents, drains, underlayment, vapor barriers, insulation, fasteners

12%

Safety

Fall protection, OSHA roofing standards, hot-work safety, hazard communication

10%

Estimating & Plan Reading

Blueprint reading, material takeoffs, roof area calculations, specifications

10%

Surface Preparation

Deck inspection, substrate requirements, moisture testing, tear-off procedures

Repairs & Reroofing

Leak diagnosis, overlay vs. tear-off, patch repairs, reroofing code requirements

How to Pass the AZ Roofing Contractor Exam

What You Need to Know

Passing score: 70%
Exam length: 50 questions
Time limit: 2 hours
Exam fee: $100

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

AZ Roofing Contractor Study Tips from Top Performers

1Focus on steep-slope and low-slope roofing systems — they make up the largest portion of the exam

2Master built-up roofing (BUR) application methods, materials, and layering sequences

3Know roofing component functions: flashing types, underlayment, drainage, and fasteners

4Study OSHA fall protection standards for roofing work at various heights

5Practice roof area calculations and material takeoff estimation

Frequently Asked Questions

What does the Arizona CR-42 roofing exam cover?

The AZ CR-42 exam covers steep-slope and low-slope roofing, built-up roofing, waterproofing, roofing components, estimating and plan reading, surface preparation, safety, and repairs and reroofing.

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

A minimum score of 70% is required to pass the Arizona CR-42 roofing contractor trade exam.

How many questions are on the AZ roofing contractor exam?

The Arizona CR-42 roofing trade exam has 50 questions with a 2-hour time limit.

What experience is needed for an Arizona roofing contractor license?

Arizona requires 4 years of verifiable roofing experience to qualify for the CR-42 roofing contractor license.