ARIZONA ROOFING LICENSE EXAM 100 QUESTIONS
& CORRECT ANSWERS LATEST 2026/2027
1. Minimum roof slope for standard asphalt shingle
3:12
2. Slope factor multiplier for a 4:12 roof pitch:
1.054=(166/144)sqrt=((12^2+4^2)/12^2)
3. Maximum GAP allowed between roof deck boards:
¼ inch
4. The maximum weight per square foot on a standard residential roof can
support:
20 psf
5. What height does OSHA require fall protection:
6 FT
6. Minimum roof insulation R value required by the Arizona Energy code for
a new commercial building in a climate zone 2B (Phoenix)
R-20 Continuous insulation'
7. Minimum overlap required for EPDM membrane seams
6 inches
8. BUR stands for what in roofing terminology
Built-Up Roofing
9. Flash points temperature of roofing asphalts
500-600 degrees F. Exceeding it can cause the asphalt to ignite
, 10. Required fire rating for roof assemblies of most commercial buildings per
the IBC
Class A
11. Minimum Slope recommended for a build-up roofing system to ensure
proper drainage
¼ inch per foot (¼:12)
12. What is a roof square equivalent to in area
100 square feet
13. Minimum safe distance to maintain between roofing operations &
overhead powerlines
10 feet
14. What is the NRCA recommendation for the maximum time a completed
BUR flood coat should remain exposed before aggregate is embedded?
Immediately-aggregate must be embedded while the flood coat is still hot & fluid
15. When applying hot asphalt for BUR, what is the typical application
temperature range for Type III asphalt?
400-475 degrees F
16. Under Arizona law, what is the statute of limitations for filing a complaint
against a roofing contractor with the AZ ROC?
2 years from discovery or completion of work
17. Under Arizona law, what is the statute of limitations for filing a complaint
against a roofing contractor with the AZ ROC?
Stop work immediately and notify the building owner; asbestos abatement requires
licensed specialists.
18. What should be inspected on a roof deck before installing new roofing
materials?
Structural integrity, moisture content, fastener condition, and flatness
19. What is the purpose of a cant strip at the base of a parapet wall on a BUR
system?
& CORRECT ANSWERS LATEST 2026/2027
1. Minimum roof slope for standard asphalt shingle
3:12
2. Slope factor multiplier for a 4:12 roof pitch:
1.054=(166/144)sqrt=((12^2+4^2)/12^2)
3. Maximum GAP allowed between roof deck boards:
¼ inch
4. The maximum weight per square foot on a standard residential roof can
support:
20 psf
5. What height does OSHA require fall protection:
6 FT
6. Minimum roof insulation R value required by the Arizona Energy code for
a new commercial building in a climate zone 2B (Phoenix)
R-20 Continuous insulation'
7. Minimum overlap required for EPDM membrane seams
6 inches
8. BUR stands for what in roofing terminology
Built-Up Roofing
9. Flash points temperature of roofing asphalts
500-600 degrees F. Exceeding it can cause the asphalt to ignite
, 10. Required fire rating for roof assemblies of most commercial buildings per
the IBC
Class A
11. Minimum Slope recommended for a build-up roofing system to ensure
proper drainage
¼ inch per foot (¼:12)
12. What is a roof square equivalent to in area
100 square feet
13. Minimum safe distance to maintain between roofing operations &
overhead powerlines
10 feet
14. What is the NRCA recommendation for the maximum time a completed
BUR flood coat should remain exposed before aggregate is embedded?
Immediately-aggregate must be embedded while the flood coat is still hot & fluid
15. When applying hot asphalt for BUR, what is the typical application
temperature range for Type III asphalt?
400-475 degrees F
16. Under Arizona law, what is the statute of limitations for filing a complaint
against a roofing contractor with the AZ ROC?
2 years from discovery or completion of work
17. Under Arizona law, what is the statute of limitations for filing a complaint
against a roofing contractor with the AZ ROC?
Stop work immediately and notify the building owner; asbestos abatement requires
licensed specialists.
18. What should be inspected on a roof deck before installing new roofing
materials?
Structural integrity, moisture content, fastener condition, and flatness
19. What is the purpose of a cant strip at the base of a parapet wall on a BUR
system?
