Multiple Choice
A double- layer roof underlayment is required in an asphalt shingle roof if the roof slope is
A) between 3:12 and 4:12.
B) between 3:12 and 9:12.
C) between 3:12 and 6:12.
D) between 3:12 and 5:12.
E) none of the above.
Correct Answer:
Verified
Correct Answer:
Verified
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