LOUISIANA (LA) 7-803 RESIDENTIAL ROOFING
EXAM PRACTICE QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF
1. What is the minimum slope required for asphalt shingles on a
residential roof?
A. 1/4:12
B. 2:12
C. 3:12
D. 4:12
C. 3:12
Asphalt shingles require a minimum slope of 3:12 to allow proper water
drainage and prevent leakage.
2. Which type of underlayment is most commonly used under asphalt
shingles?
A. Felt paper
B. Metal sheet
C. Plywood
D. Fiberglass panel
A. Felt paper
Felt paper acts as a secondary water barrier under asphalt shingles,
protecting the roof deck.
,3. How far should roof shingles overhang the eaves?
A. 1 inch
B. 1/2 inch
C. 1 1/2 inches
D. 2 inches
C. 1 1/2 inches
Proper overhang ensures water drips into the gutters rather than
behind them.
4. What is the primary purpose of roof ventilation?
A. To reduce heating costs
B. To remove moisture and heat
C. To increase structural load
D. To prevent ice dams only
B. To remove moisture and heat
Ventilation prevents moisture buildup in the attic and reduces heat,
which extends shingle life.
5. Which fasteners are typically used for asphalt shingles?
A. Staples
B. Nails
C. Screws
D. Glue
B. Nails
Nails provide secure attachment of shingles and resist wind uplift.
,6. What is the recommended spacing for ridge vent installation?
A. 12 inches
B. 16 inches
C. 24 inches
D. Continuous along the ridge
D. Continuous along the ridge
Continuous ridge vents provide consistent airflow along the peak of the
roof.
7. How should flashing be installed around a chimney?
A. Under the shingles only
B. Over the shingles only
C. Step flashing along the sides and counter-flashing on top
D. Embedded in mortar
C. Step flashing along the sides and counter-flashing on top
Step and counter-flashing prevent water intrusion at vertical roof
intersections.
8. Which roof component prevents water from entering at the eaves?
A. Drip edge
B. Ridge vent
C. Hip cap
D. Valley flashing
A. Drip edge
Drip edges direct water into gutters and prevent damage to the fascia
and roof deck.
, 9. What is the typical exposure of a 3-tab asphalt shingle?
A. 3 inches
B. 5 inches
C. 6 inches
D. 8 inches
C. 6 inches
The 6-inch exposure ensures proper overlap and water shedding.
10. When installing shingles in high-wind areas, what is
recommended?
A. Reduce the overlap
B. Use more nails per shingle
C. Omit underlayment
D. Use adhesive only
B. Use more nails per shingle
Additional nails improve wind resistance and help prevent shingles from
lifting.
11. What is the main hazard when working on a roof with wet or icy
surfaces?
A. Fire
B. Slip and fall
C. Electrocution
D. Chemical exposure
B. Slip and fall
Slips and falls are the most common accidents during roofing work and
proper precautions are required.
EXAM PRACTICE QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF
1. What is the minimum slope required for asphalt shingles on a
residential roof?
A. 1/4:12
B. 2:12
C. 3:12
D. 4:12
C. 3:12
Asphalt shingles require a minimum slope of 3:12 to allow proper water
drainage and prevent leakage.
2. Which type of underlayment is most commonly used under asphalt
shingles?
A. Felt paper
B. Metal sheet
C. Plywood
D. Fiberglass panel
A. Felt paper
Felt paper acts as a secondary water barrier under asphalt shingles,
protecting the roof deck.
,3. How far should roof shingles overhang the eaves?
A. 1 inch
B. 1/2 inch
C. 1 1/2 inches
D. 2 inches
C. 1 1/2 inches
Proper overhang ensures water drips into the gutters rather than
behind them.
4. What is the primary purpose of roof ventilation?
A. To reduce heating costs
B. To remove moisture and heat
C. To increase structural load
D. To prevent ice dams only
B. To remove moisture and heat
Ventilation prevents moisture buildup in the attic and reduces heat,
which extends shingle life.
5. Which fasteners are typically used for asphalt shingles?
A. Staples
B. Nails
C. Screws
D. Glue
B. Nails
Nails provide secure attachment of shingles and resist wind uplift.
,6. What is the recommended spacing for ridge vent installation?
A. 12 inches
B. 16 inches
C. 24 inches
D. Continuous along the ridge
D. Continuous along the ridge
Continuous ridge vents provide consistent airflow along the peak of the
roof.
7. How should flashing be installed around a chimney?
A. Under the shingles only
B. Over the shingles only
C. Step flashing along the sides and counter-flashing on top
D. Embedded in mortar
C. Step flashing along the sides and counter-flashing on top
Step and counter-flashing prevent water intrusion at vertical roof
intersections.
8. Which roof component prevents water from entering at the eaves?
A. Drip edge
B. Ridge vent
C. Hip cap
D. Valley flashing
A. Drip edge
Drip edges direct water into gutters and prevent damage to the fascia
and roof deck.
, 9. What is the typical exposure of a 3-tab asphalt shingle?
A. 3 inches
B. 5 inches
C. 6 inches
D. 8 inches
C. 6 inches
The 6-inch exposure ensures proper overlap and water shedding.
10. When installing shingles in high-wind areas, what is
recommended?
A. Reduce the overlap
B. Use more nails per shingle
C. Omit underlayment
D. Use adhesive only
B. Use more nails per shingle
Additional nails improve wind resistance and help prevent shingles from
lifting.
11. What is the main hazard when working on a roof with wet or icy
surfaces?
A. Fire
B. Slip and fall
C. Electrocution
D. Chemical exposure
B. Slip and fall
Slips and falls are the most common accidents during roofing work and
proper precautions are required.
