Louisiana (LA) 7-803 Residential Roofing Real Exam Test
Exam Questions And Correct Detailed Answers (Verified
Answers) |Already Graded A+.
1. What is the minimum slope required for a residential roofing system in
Louisiana?
A) 2:12
B) 3:12
C) 4:12
D) 5:12
Rationale: According to Louisiana's building codes for residential roofing, a minimum slope of
3:12 is required to ensure proper water drainage and prevent leaks.
2. Which material is commonly used for roofing in hurricane-prone areas of
Louisiana?
A) Asphalt shingles
B) Metal roofing
C) Slate roofing
D) Wood shakes
Rationale: Metal roofing is commonly used in hurricane-prone areas due to its durability and
resistance to high winds, which are frequent in Louisiana.
3. What is the required thickness of plywood for a residential roofing deck in
Louisiana?
A) 1/4 inch
B) 1/2 inch
C) 5/8 inch
D) 3/4 inch
Rationale: The standard thickness for a residential roofing deck in Louisiana is 5/8 inch to
provide adequate support for the roofing materials.
4. What is the primary function of underlayment in a roofing system?
, A) To prevent heat loss
B) To provide additional waterproofing
C) To enhance the appearance of the roof
D) To reduce sound transmission
Rationale: Underlayment's primary function is to provide additional waterproofing to the
roofing system, ensuring that water does not seep through the roofing material.
5. Which of the following is required when installing a roof in Louisiana to meet
hurricane resistance standards?
A) Ice and water shield
B) High wind-resistant shingles
C) Roof bracing
D) All of the above
Rationale: Louisiana's building codes require all of the above measures to ensure that roofs are
hurricane-resistant, including the installation of high-wind-resistant materials and structural
bracing.
6. How often should a residential roof in Louisiana be inspected?
A) Every 1-2 years
B) Every 3-5 years
C) Every 6-8 years
D) Every 10 years
Rationale: Residential roofs in Louisiana should be inspected every 1-2 years to check for
damage due to storms, humidity, and other environmental factors.
7. What is the minimum required roof covering in Louisiana for areas subject to
high winds?
A) 20 pounds per square
B) 30 pounds per square
C) 40 pounds per square
D) 50 pounds per square
Rationale: In areas subject to high winds, Louisiana requires a minimum of 30 pounds per
square of roofing material to ensure that it can withstand strong gusts.
8. Which of the following is NOT a common cause of roof damage in Louisiana?
A) Hail storms
B) Hurricanes
C) Snow accumulation
, D) High humidity
Rationale: Snow accumulation is less of a concern in Louisiana due to its warm climate. Hail
storms, hurricanes, and high humidity, however, are frequent causes of roof damage.
9. What is the recommended material for roofing in coastal areas of Louisiana?
A) Clay tiles
B) Concrete tiles
C) Metal roofing
D) Wood shingles
Rationale: Metal roofing is recommended for coastal areas because it is resistant to corrosion
and can withstand the saltwater exposure typical of coastal climates.
10. What is the maximum height of a roof ridge in Louisiana before additional
bracing is required?
A) 10 feet
B) 12 feet
C) 14 feet
D) 16 feet
Rationale: Roofs with ridges higher than 12 feet typically require additional bracing to ensure
the structure can withstand high winds, as mandated by Louisiana’s residential roofing codes.
11. How much overlap is required for roofing shingles in Louisiana?
A) 1 inch
B) 2 inches
C) 4 inches
D) 6 inches
Rationale: Roofing shingles must overlap by at least 4 inches in Louisiana to ensure that water
does not seep through the joints during heavy rains.
12. What is the purpose of ridge vents in a roofing system?
A) To enhance aesthetics
B) To allow for ventilation and reduce moisture buildup
C) To strengthen the roof structure
D) To prevent water penetration
Rationale: Ridge vents are installed to allow for proper ventilation in the attic, reducing
moisture buildup and preventing mold growth, which is crucial in Louisiana's humid climate.
Exam Questions And Correct Detailed Answers (Verified
Answers) |Already Graded A+.
1. What is the minimum slope required for a residential roofing system in
Louisiana?
A) 2:12
B) 3:12
C) 4:12
D) 5:12
Rationale: According to Louisiana's building codes for residential roofing, a minimum slope of
3:12 is required to ensure proper water drainage and prevent leaks.
2. Which material is commonly used for roofing in hurricane-prone areas of
Louisiana?
A) Asphalt shingles
B) Metal roofing
C) Slate roofing
D) Wood shakes
Rationale: Metal roofing is commonly used in hurricane-prone areas due to its durability and
resistance to high winds, which are frequent in Louisiana.
3. What is the required thickness of plywood for a residential roofing deck in
Louisiana?
A) 1/4 inch
B) 1/2 inch
C) 5/8 inch
D) 3/4 inch
Rationale: The standard thickness for a residential roofing deck in Louisiana is 5/8 inch to
provide adequate support for the roofing materials.
4. What is the primary function of underlayment in a roofing system?
, A) To prevent heat loss
B) To provide additional waterproofing
C) To enhance the appearance of the roof
D) To reduce sound transmission
Rationale: Underlayment's primary function is to provide additional waterproofing to the
roofing system, ensuring that water does not seep through the roofing material.
5. Which of the following is required when installing a roof in Louisiana to meet
hurricane resistance standards?
A) Ice and water shield
B) High wind-resistant shingles
C) Roof bracing
D) All of the above
Rationale: Louisiana's building codes require all of the above measures to ensure that roofs are
hurricane-resistant, including the installation of high-wind-resistant materials and structural
bracing.
6. How often should a residential roof in Louisiana be inspected?
A) Every 1-2 years
B) Every 3-5 years
C) Every 6-8 years
D) Every 10 years
Rationale: Residential roofs in Louisiana should be inspected every 1-2 years to check for
damage due to storms, humidity, and other environmental factors.
7. What is the minimum required roof covering in Louisiana for areas subject to
high winds?
A) 20 pounds per square
B) 30 pounds per square
C) 40 pounds per square
D) 50 pounds per square
Rationale: In areas subject to high winds, Louisiana requires a minimum of 30 pounds per
square of roofing material to ensure that it can withstand strong gusts.
8. Which of the following is NOT a common cause of roof damage in Louisiana?
A) Hail storms
B) Hurricanes
C) Snow accumulation
, D) High humidity
Rationale: Snow accumulation is less of a concern in Louisiana due to its warm climate. Hail
storms, hurricanes, and high humidity, however, are frequent causes of roof damage.
9. What is the recommended material for roofing in coastal areas of Louisiana?
A) Clay tiles
B) Concrete tiles
C) Metal roofing
D) Wood shingles
Rationale: Metal roofing is recommended for coastal areas because it is resistant to corrosion
and can withstand the saltwater exposure typical of coastal climates.
10. What is the maximum height of a roof ridge in Louisiana before additional
bracing is required?
A) 10 feet
B) 12 feet
C) 14 feet
D) 16 feet
Rationale: Roofs with ridges higher than 12 feet typically require additional bracing to ensure
the structure can withstand high winds, as mandated by Louisiana’s residential roofing codes.
11. How much overlap is required for roofing shingles in Louisiana?
A) 1 inch
B) 2 inches
C) 4 inches
D) 6 inches
Rationale: Roofing shingles must overlap by at least 4 inches in Louisiana to ensure that water
does not seep through the joints during heavy rains.
12. What is the purpose of ridge vents in a roofing system?
A) To enhance aesthetics
B) To allow for ventilation and reduce moisture buildup
C) To strengthen the roof structure
D) To prevent water penetration
Rationale: Ridge vents are installed to allow for proper ventilation in the attic, reducing
moisture buildup and preventing mold growth, which is crucial in Louisiana's humid climate.
