AK Roofing Contractor Exam Questions
And Correct Answers (Verified Answers)
Plus Rationale2026 Q&A| Instant
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1. What is the primary purpose of underlayment in a
roofing system?
A. Enhance curb appeal
B. Provide UV protection
C. Provide secondary moisture protection
D. Reduce attic heat
Rationale: Underlayment acts as a secondary water-
shedding layer beneath the roof covering.
2. Which roofing material is most commonly used in
Alaska due to snow-shedding capability?
A. Wood shakes
B. Metal roofing
C. Built-up roofing
D. Clay tile
Rationale: Metal roofs shed snow and ice efficiently, ideal
for cold climates.
3. What is the typical minimum slope required for
asphalt shingles?
,A. 1:12
B. 2:12
C. 4:12
D. 8:12
Rationale: Standard shingles require 4:12 for optimal
water shedding.
4. Ice dams are primarily caused by:
A. Excessive attic ventilation
B. Heat loss from the building into the attic
C. Heavy rain
D. Poor insulation under the slab
Rationale: Heat escaping into the attic melts snow, which
refreezes at the eaves forming dams.
5. Which type of nail is recommended for asphalt
shingles?
A. Aluminum nails
B. Stainless steel brads
C. Galvanized roofing nails
D. Drywall screws
Rationale: Galvanized nails resist corrosion and meet
roofing code requirements.
6. How many layers of roofing are typically permitted
before tear-off is required?
A. One
B. Two
, C. Three
D. Unlimited
Rationale: Most codes allow two layers maximum to
prevent excess weight.
7. Which component is installed at the ridge to allow attic
air escape?
A. Drip edge
B. Valley metal
C. Ridge vent
D. Eave vent
Rationale: Ridge vents exhaust warm air from the attic.
8. What is the main function of flashing?
A. Reflect sunlight
B. Prevent water intrusion at joints and penetrations
C. Strengthen deck sheathing
D. Support roof loads
Rationale: Flashing waterproofs areas around chimneys,
walls, and transitions.
9. Step flashing is commonly used at which location?
A. Ridge
B. Roof valleys
C. Sidewalls
D. Eaves
Rationale: Step flashing protects shingle-to-vertical-wall
transitions.
And Correct Answers (Verified Answers)
Plus Rationale2026 Q&A| Instant
Download Pdf
1. What is the primary purpose of underlayment in a
roofing system?
A. Enhance curb appeal
B. Provide UV protection
C. Provide secondary moisture protection
D. Reduce attic heat
Rationale: Underlayment acts as a secondary water-
shedding layer beneath the roof covering.
2. Which roofing material is most commonly used in
Alaska due to snow-shedding capability?
A. Wood shakes
B. Metal roofing
C. Built-up roofing
D. Clay tile
Rationale: Metal roofs shed snow and ice efficiently, ideal
for cold climates.
3. What is the typical minimum slope required for
asphalt shingles?
,A. 1:12
B. 2:12
C. 4:12
D. 8:12
Rationale: Standard shingles require 4:12 for optimal
water shedding.
4. Ice dams are primarily caused by:
A. Excessive attic ventilation
B. Heat loss from the building into the attic
C. Heavy rain
D. Poor insulation under the slab
Rationale: Heat escaping into the attic melts snow, which
refreezes at the eaves forming dams.
5. Which type of nail is recommended for asphalt
shingles?
A. Aluminum nails
B. Stainless steel brads
C. Galvanized roofing nails
D. Drywall screws
Rationale: Galvanized nails resist corrosion and meet
roofing code requirements.
6. How many layers of roofing are typically permitted
before tear-off is required?
A. One
B. Two
, C. Three
D. Unlimited
Rationale: Most codes allow two layers maximum to
prevent excess weight.
7. Which component is installed at the ridge to allow attic
air escape?
A. Drip edge
B. Valley metal
C. Ridge vent
D. Eave vent
Rationale: Ridge vents exhaust warm air from the attic.
8. What is the main function of flashing?
A. Reflect sunlight
B. Prevent water intrusion at joints and penetrations
C. Strengthen deck sheathing
D. Support roof loads
Rationale: Flashing waterproofs areas around chimneys,
walls, and transitions.
9. Step flashing is commonly used at which location?
A. Ridge
B. Roof valleys
C. Sidewalls
D. Eaves
Rationale: Step flashing protects shingle-to-vertical-wall
transitions.
