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Roofing
Roofer Red Seal Certification
Flat Roofing Systems
Knowledge Check
Flat Roofing Systems
Knowledge Check
Knowledge Check
1 / 10
At approximately what rate is gravel embedded into the flood coat on a built-up roof?
A
300 lbs per square
B
400 lbs per square
C
500 lbs per square
D
200 lbs per square
Check Answer
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