ROOFING CONTRACTOR LICENSE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS|ALREADY GRADED A+||BRAND
NEW!!
1. What is the primary purpose of roof flashing?
a. Improve roof color
b. Prevent water intrusion at transitions
c. Support roof loads
d. Increase insulation value
Correct Answer: b
Flashing seals joints and transitions (chimneys, valleys, walls) to prevent water penetration.
2. Which roofing material has the longest average service life?
a. Asphalt shingles
b. Wood shingles
c. Clay tile
d. Roll roofing
Correct Answer: c
Clay tile roofs can last 50–100 years with proper installation and maintenance.
3. OSHA requires fall protection on residential roofs at what height?
a. 4 feet
b. 6 feet
c. 8 feet
d. 10 feet
Correct Answer: b
OSHA requires fall protection when working 6 feet or more above lower levels.
4. What roof slope is considered “low-slope”?
a. 1:12 or less
b. 2:12 or less
c. 3:12 or less
d. 4:12 or less
Correct Answer: b
Low-slope roofs are typically defined as 2:12 or less.
,5. Which component allows airflow from the attic to the exterior?
a. Underlayment
b. Drip edge
c. Roof vent
d. Starter strip
Correct Answer: c
Roof vents allow heat and moisture to escape from attics.
6. The primary function of underlayment is to:
a. Support shingles
b. Improve aesthetics
c. Provide secondary weather protection
d. Secure flashing
Correct Answer: c
Underlayment acts as a moisture barrier beneath roofing materials.
7. Ice dam protection is most effectively achieved by:
a. Thicker shingles
b. Ice and water shield
c. Larger gutters
d. Darker roof colors
Correct Answer: b
Ice and water shield prevents water intrusion from ice dams.
8. What is the minimum headlap for asphalt shingles?
a. 2 inches
b. 3 inches
c. 4 inches
d. 6 inches
Correct Answer: b
Standard asphalt shingles require at least 3 inches of headlap.
9. Which fastener is recommended for asphalt shingles?
a. Staples
b. Roofing nails
c. Screws
d. Finish nails
Correct Answer: b
Galvanized roofing nails provide proper holding strength and corrosion resistance.
, 10. What does a roof “square” measure?
a. 10 sq ft
b. 50 sq ft
c. 100 sq ft
d. 200 sq ft
Correct Answer: c
A roofing square equals 100 square feet.
11. Which roof type sheds water the fastest?
a. Flat roof
b. Low-slope roof
c. Steep-slope roof
d. Built-up roof
Correct Answer: c
Steeper slopes improve water runoff efficiency.
12. What is the primary hazard when installing metal roofing?
a. UV exposure
b. Fire risk
c. Slipping
d. Noise
Correct Answer: c
Metal surfaces can be slippery, especially when wet.
13. Which roofing system uses layers of felt and asphalt?
a. Metal roofing
b. Built-up roofing (BUR)
c. EPDM
d. TPO
Correct Answer: b
BUR consists of multiple layers of bitumen and reinforcing felts.
14. What is the purpose of a drip edge?
a. Hold shingles in place
b. Protect fascia and direct water away
c. Vent attic air
d. Seal nail heads
DETAILED VERIFIED ANSWERS|ALREADY GRADED A+||BRAND
NEW!!
1. What is the primary purpose of roof flashing?
a. Improve roof color
b. Prevent water intrusion at transitions
c. Support roof loads
d. Increase insulation value
Correct Answer: b
Flashing seals joints and transitions (chimneys, valleys, walls) to prevent water penetration.
2. Which roofing material has the longest average service life?
a. Asphalt shingles
b. Wood shingles
c. Clay tile
d. Roll roofing
Correct Answer: c
Clay tile roofs can last 50–100 years with proper installation and maintenance.
3. OSHA requires fall protection on residential roofs at what height?
a. 4 feet
b. 6 feet
c. 8 feet
d. 10 feet
Correct Answer: b
OSHA requires fall protection when working 6 feet or more above lower levels.
4. What roof slope is considered “low-slope”?
a. 1:12 or less
b. 2:12 or less
c. 3:12 or less
d. 4:12 or less
Correct Answer: b
Low-slope roofs are typically defined as 2:12 or less.
,5. Which component allows airflow from the attic to the exterior?
a. Underlayment
b. Drip edge
c. Roof vent
d. Starter strip
Correct Answer: c
Roof vents allow heat and moisture to escape from attics.
6. The primary function of underlayment is to:
a. Support shingles
b. Improve aesthetics
c. Provide secondary weather protection
d. Secure flashing
Correct Answer: c
Underlayment acts as a moisture barrier beneath roofing materials.
7. Ice dam protection is most effectively achieved by:
a. Thicker shingles
b. Ice and water shield
c. Larger gutters
d. Darker roof colors
Correct Answer: b
Ice and water shield prevents water intrusion from ice dams.
8. What is the minimum headlap for asphalt shingles?
a. 2 inches
b. 3 inches
c. 4 inches
d. 6 inches
Correct Answer: b
Standard asphalt shingles require at least 3 inches of headlap.
9. Which fastener is recommended for asphalt shingles?
a. Staples
b. Roofing nails
c. Screws
d. Finish nails
Correct Answer: b
Galvanized roofing nails provide proper holding strength and corrosion resistance.
, 10. What does a roof “square” measure?
a. 10 sq ft
b. 50 sq ft
c. 100 sq ft
d. 200 sq ft
Correct Answer: c
A roofing square equals 100 square feet.
11. Which roof type sheds water the fastest?
a. Flat roof
b. Low-slope roof
c. Steep-slope roof
d. Built-up roof
Correct Answer: c
Steeper slopes improve water runoff efficiency.
12. What is the primary hazard when installing metal roofing?
a. UV exposure
b. Fire risk
c. Slipping
d. Noise
Correct Answer: c
Metal surfaces can be slippery, especially when wet.
13. Which roofing system uses layers of felt and asphalt?
a. Metal roofing
b. Built-up roofing (BUR)
c. EPDM
d. TPO
Correct Answer: b
BUR consists of multiple layers of bitumen and reinforcing felts.
14. What is the purpose of a drip edge?
a. Hold shingles in place
b. Protect fascia and direct water away
c. Vent attic air
d. Seal nail heads
