California Roofing Contractor Exam– COMPLETE
QUESTIONS AND DETAILED SOLUTIONS LATEST
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SECTION 1: PLANNING & ESTIMATING (QUESTIONS 160)
1. What is the area of one roofing "square"?
A) 10 square feet
B) 50 square feet
C) 100 square feet
D) 1,000 square feet
,age 2 of 89
Answer: C) 100 square feet
Rationale: A roofing "square" is the standard unit of
measurement in the roofing industry and equals 100 square feet
(10 ft × 10 ft). All material quantities are calculated in squares .
2. A roof is 80' × 64'. One pallet contains 6.45 squares of
material. How many pallets are needed for the entire roof?
A) 6 pallets
B) 7 pallets
C) 8 pallets
D) 9 pallets
,age 3 of 89
Answer: C) 8 pallets
Rationale: Area = 80 × 64 = 5,120 sq ft. 5,120 ÷ 100 = 51.2
squares. 51.2 ÷ 6.45 = 7.94, which rounds up to 8 pallets.
Always round up when calculating material quantities .
3. A house with a flat roof is 25' × 28', and the garage has a
flat roof of 15' × 18'. How much roofing material is needed in
squares?
A) 7 squares
B) 8 squares
C) 9 squares
D) 10 squares
, age 4 of 89
Answer: D) 10 squares
Rationale: House area = 25 × 28 = 700 sq ft. Garage area =
15 × 18 = 270 sq ft. Total = 970 sq ft. 970 ÷ 100 = 9.7 →
round up to 10 squares .
4. A roof is 30' × 40'. If you need 1 square for the starter
course, 1 square for waste, and 1⅔ square for hip and ridge,
how much material is required?
A) 14 squares
B) 15 squares
C) 16 squares
D) 17 squares