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C-39 Roofing Trade Exam Version 2 Newest 2025/2026 Complete 100 Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+||Brand New Version!!
With slate roofing, the overlap from one course to the next
should cover nail holes of the lower course by at least: -
ANSWER-3"
With slate roofing, nail holes are usually found _______ of the length down from the top of the slate. - ANSWER-1/3
Standard roofing slate is _______ thick. - ANSWER-3/16"
The best tool for nailing slate is: - ANSWER-A slater's hammer
Do not use slate on roofs with a slope less than: - ANSWER-
3:12
Offset joints of overlapping slate courses by at least: -
ANSWER-3"
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On a tile roof, what type of rafter should be used? - ANSWER- 2" x 6" spaced 16" o.c
Which tile has different tones of red color in a single tile? - ANSWER-Variegated
Why do the horizontal and vertical chalk lines NOT have to be perfectly straight when installing mission tile? - ANSWER- Irregularities gives an appearance of being handmade
What is the proper way to seal the ridge when working with clay tile? - ANSWER-Cement mortar or mastic
What type of felt underlayment should you use for metal tiles? - ANSWER-30 pound or two plies of 15 pounds
What is the minimum underlayment for asphalt shingles? - ANSWER-15 lb
What is the minimum underlayment for wood shingles? - ANSWER-None required
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