Arizona R-26 Roofing Contractor Exam
200 Practice Questions with Verified
Answers & Detailed Rationales
ARIZONA REGISTRAR OF CONTRACTORS (ROC)
R-26 Roofing Contractor License Examination
Complete Practice Test Bank | 2026/2027 Edition
Exam Provider: PSI Services (Arizona ROC)
License Classification: R-26 Roofing Contractor (Residential Specialty)
Exam Format: Closed Book (Trade Exam), Multiple Choice
Number of Questions: 80 (Trade Exam) + 80 (Statutes & Rules Exam)
Time Limit: 180 minutes total
Passing Score: 70% (Minimum)
Primary References: NRCA Roofing Manual, IRC 2012, OSHA 29 CFR 1926, Roofing
Construction & Estimating
TABLE OF CONTENTS
1. Exam Overview & Key Information ………………………………………………………… 3
2. Section 1: General Roofing Principles (Questions 1-30) ……………………………… 4
3. Section 2: Roofing Materials & Systems (Questions 31-65) …………………………… 7
4. Section 3: Installation Techniques (Questions 66-95) ………………………………… 10
5. Section 4: Safety & OSHA Regulations (Questions 96-125) …………………………… 12
6. Section 5: Codes & Standards (Questions 126-155) …………………………………… 14
,7. Section 6: Business & Law (Questions 156-185) ……………………………………… 16
8. Section 7: Estimating & Project Management (Questions 186-200) ………………… 18
9. Complete Answer Key ……………………………………………………………………… 19
1. EXAM OVERVIEW & KEY INFORMATION
What Is the R-26 Roofing Contractor License?
The Arizona R-26 Roofing Contractor License is issued by the Arizona Registrar of Contractors
(ROC). It authorizes the holder to install, repair, and replace roofing systems on residential
structures, including single-family homes, townhouses, condominiums, and apartment buildings
of four units or less. Roofing is classified as a specialty trade in Arizona.
Exam Structure
| Feature | Detail |
||--|
| Trade Exam (R-26) | Closed Book, 60-80 questions, 2-3 hours |
| Statutes & Rules Exam (SRE) | 80 questions, 3 hours |
| Passing Score | 70% minimum on each exam |
| Administered By | PSI Services |
Key Trade Exam Topics (PSI Content Outline)
| Subject Area | of Items |
|--||
| Safety | 5 |
| Roofing Substrates | 8 |
| Steep Roofing | 16 |
| Roofing Repairs | 4 |
| Elastomeric Roofing | 7 |
| Built-up Bituminous Roofing | 7 |
| Sheet Metal and Flashing | 3 |
| Siding | 8 |
| Photovoltaic Systems | 2 |
Key Requirements for Licensure
- Minimum 4 years of verifiable roofing experience within the last 10 years
,- Pass the Trade Exam (R-26) and the Statutes and Rules Exam (SRE)
- Secure a surety bond ($15,000 minimum)
- Submit a criminal background check
- Register business entity with Arizona Corporation Commission
- Carry workers' compensation insurance
References Used to Create Exam Questions
- NRCA Roofing Manual (Steep Slope Roof Systems, 2017)
- International Residential Code (IRC) 2012
- International Building Code (IBC) 2012
- OSHA 29 CFR Part 1926
- Roofing Construction & Estimating (Craftsman Book Company, 1995)
How to Use This Practice Exam
1. Complete all 200 questions under timed conditions (suggested: 3 hours)
2. Review each rationale – Understand why the correct answer is right and why distractors are
wrong
3. Identify weak areas – Focus additional study on sections where you scored lowest
4. Reference the NRCA Manual and IRC – The actual exam is based on these codes
2. SECTION 1: GENERAL ROOFING PRINCIPLES (Questions 1-30)
Q1. What is the primary purpose of a roof underlayment?
A) To provide structural support to the roof deck
B) To act as a secondary barrier against water infiltration
C) To enhance the aesthetic appeal of the roof
D) To support heavy roofing materials
Answer: B
Rationale: Underlayment is installed under the roofing material to provide an extra layer of
protection against water penetration. It acts as a secondary waterproof barrier.
Q2. What is the standard exposure of a 3-tab asphalt shingle?
, A) 3 inches
B) 4 inches
C) 5 inches
D) 6 inches
Answer: C
Rationale: Standard 3-tab shingles have an exposure of 5 inches for proper overlap and water
shedding.
Q3. What is the primary cause of shingle blow-off?
A) Excessive weight
B) Poor insulation
C) Improper nailing or wind uplift
D) Heavy underlayment
Answer: C
Rationale: Shingles are most vulnerable to wind uplift at the corners and edges. Improper
nailing (too high, too deep, or insufficient nail quantity) is the primary cause of blow-offs.
Q4. What is the purpose of a drip edge?
A) To direct water away from the fascia and underlying roof deck
B) To provide structural support
C) To seal roof valleys
D) To attach shingles
Answer: A
Rationale: Drip edges protect the fascia board and roof deck from water damage at eaves and
rakes.
Q5. Which roofing element covers the peak of a sloped roof?
A) Drip edge
B) Soffit
200 Practice Questions with Verified
Answers & Detailed Rationales
ARIZONA REGISTRAR OF CONTRACTORS (ROC)
R-26 Roofing Contractor License Examination
Complete Practice Test Bank | 2026/2027 Edition
Exam Provider: PSI Services (Arizona ROC)
License Classification: R-26 Roofing Contractor (Residential Specialty)
Exam Format: Closed Book (Trade Exam), Multiple Choice
Number of Questions: 80 (Trade Exam) + 80 (Statutes & Rules Exam)
Time Limit: 180 minutes total
Passing Score: 70% (Minimum)
Primary References: NRCA Roofing Manual, IRC 2012, OSHA 29 CFR 1926, Roofing
Construction & Estimating
TABLE OF CONTENTS
1. Exam Overview & Key Information ………………………………………………………… 3
2. Section 1: General Roofing Principles (Questions 1-30) ……………………………… 4
3. Section 2: Roofing Materials & Systems (Questions 31-65) …………………………… 7
4. Section 3: Installation Techniques (Questions 66-95) ………………………………… 10
5. Section 4: Safety & OSHA Regulations (Questions 96-125) …………………………… 12
6. Section 5: Codes & Standards (Questions 126-155) …………………………………… 14
,7. Section 6: Business & Law (Questions 156-185) ……………………………………… 16
8. Section 7: Estimating & Project Management (Questions 186-200) ………………… 18
9. Complete Answer Key ……………………………………………………………………… 19
1. EXAM OVERVIEW & KEY INFORMATION
What Is the R-26 Roofing Contractor License?
The Arizona R-26 Roofing Contractor License is issued by the Arizona Registrar of Contractors
(ROC). It authorizes the holder to install, repair, and replace roofing systems on residential
structures, including single-family homes, townhouses, condominiums, and apartment buildings
of four units or less. Roofing is classified as a specialty trade in Arizona.
Exam Structure
| Feature | Detail |
||--|
| Trade Exam (R-26) | Closed Book, 60-80 questions, 2-3 hours |
| Statutes & Rules Exam (SRE) | 80 questions, 3 hours |
| Passing Score | 70% minimum on each exam |
| Administered By | PSI Services |
Key Trade Exam Topics (PSI Content Outline)
| Subject Area | of Items |
|--||
| Safety | 5 |
| Roofing Substrates | 8 |
| Steep Roofing | 16 |
| Roofing Repairs | 4 |
| Elastomeric Roofing | 7 |
| Built-up Bituminous Roofing | 7 |
| Sheet Metal and Flashing | 3 |
| Siding | 8 |
| Photovoltaic Systems | 2 |
Key Requirements for Licensure
- Minimum 4 years of verifiable roofing experience within the last 10 years
,- Pass the Trade Exam (R-26) and the Statutes and Rules Exam (SRE)
- Secure a surety bond ($15,000 minimum)
- Submit a criminal background check
- Register business entity with Arizona Corporation Commission
- Carry workers' compensation insurance
References Used to Create Exam Questions
- NRCA Roofing Manual (Steep Slope Roof Systems, 2017)
- International Residential Code (IRC) 2012
- International Building Code (IBC) 2012
- OSHA 29 CFR Part 1926
- Roofing Construction & Estimating (Craftsman Book Company, 1995)
How to Use This Practice Exam
1. Complete all 200 questions under timed conditions (suggested: 3 hours)
2. Review each rationale – Understand why the correct answer is right and why distractors are
wrong
3. Identify weak areas – Focus additional study on sections where you scored lowest
4. Reference the NRCA Manual and IRC – The actual exam is based on these codes
2. SECTION 1: GENERAL ROOFING PRINCIPLES (Questions 1-30)
Q1. What is the primary purpose of a roof underlayment?
A) To provide structural support to the roof deck
B) To act as a secondary barrier against water infiltration
C) To enhance the aesthetic appeal of the roof
D) To support heavy roofing materials
Answer: B
Rationale: Underlayment is installed under the roofing material to provide an extra layer of
protection against water penetration. It acts as a secondary waterproof barrier.
Q2. What is the standard exposure of a 3-tab asphalt shingle?
, A) 3 inches
B) 4 inches
C) 5 inches
D) 6 inches
Answer: C
Rationale: Standard 3-tab shingles have an exposure of 5 inches for proper overlap and water
shedding.
Q3. What is the primary cause of shingle blow-off?
A) Excessive weight
B) Poor insulation
C) Improper nailing or wind uplift
D) Heavy underlayment
Answer: C
Rationale: Shingles are most vulnerable to wind uplift at the corners and edges. Improper
nailing (too high, too deep, or insufficient nail quantity) is the primary cause of blow-offs.
Q4. What is the purpose of a drip edge?
A) To direct water away from the fascia and underlying roof deck
B) To provide structural support
C) To seal roof valleys
D) To attach shingles
Answer: A
Rationale: Drip edges protect the fascia board and roof deck from water damage at eaves and
rakes.
Q5. Which roofing element covers the peak of a sloped roof?
A) Drip edge
B) Soffit
