C-39 Roofing Trade Exam Version 2 Newest 2025/2026 Complete Questions And Correct Detailed
Answers (Verified Answers) |Already Graded A+||Brand New Version!!
An asphalt-modified roof is: - (ANSWER)Torch-applied
A roof has a 7' run and 8" per unit rise. What is the total rise at the ridge? - (ANSWER)56"
Which of the following is NOT used as a weathering surface in single-ply roofing? - (ANSWER)Mica
If you know the lengths of two sides of a right angle, can you figure the length of the third side? -
(ANSWER)Yes, the third side squared = a2 + b2
The maximum heating temperature for steep asphalt is: - (ANSWER)525*F
What is the flash point of a coal-tar pitch kettle? - (ANSWER)240-280*F
What is the name of the thick, black, gummy plastic used for making temporary repairs to damp roof
surfaces? - (ANSWER)Wetpatch
Where are sump drains usually installed? - (ANSWER)Wood decks
Which would be used to strengthen the eaves of a gable roof? - (ANSWER)Fascia
For spans less than 10ft, what is the minimum size lumber that may be used with a roofing jack? -
(ANSWER)2" x 6"
Cal/OSHA may impose _______ concerning machinery. - (ANSWER)Fines and/or restraining orders
Trusses should be spaced _______ apart for tile roofs. - (ANSWER)2'-6"
Which of the following does not influence the exposure of wood shingles? - (ANSWER)Type of sheathing
Which of the following is least hazardous to your health? - (ANSWER)Hypalon
, C-39 Roofing Trade Exam Version 2 Newest 2025/2026 Complete Questions And Correct Detailed
Answers (Verified Answers) |Already Graded A+||Brand New Version!!
What is NOT a requirement when you reroof over a built-up roof? - (ANSWER)The deck must be torn up
Which of the following is not a correct statement about PVC sheet-laying adhesives? - (ANSWER)The
overlap should be 10"
The main purpose of a base sheet is to provide: - (ANSWER)A welding process
Why must kerosene kettles NOT burn at a low flame for a long time? - (ANSWER)Carbon will build up in
the coils
What is the best protector of metal? - (ANSWER)Red lead primer
What is a common requirement of asbestos, asphalt shingle, and slate roofs? - (ANSWER)Underlayment
What are rubber sheet, one-sided latex base, and Kraft paper used for? - (ANSWER)Vapor barrier
When setting up a ladder, how many feet per rung away from the wall should you set the base of the
ladder? - (ANSWER)1 foot per 4 rungs
When installing a shake roof over a comp roof, what must NOT be done? - (ANSWER)Remove valleys
with flashing
Corners on felt are folded and cemented: - (ANSWER)To prevent leaks
A raised delamination of roofing material usually caused by expansion of trapped water vapor or other
gases is called? - (ANSWER)A blister
In a 6" star pattern, how many chalk lines are needed? - (ANSWER)1
Answers (Verified Answers) |Already Graded A+||Brand New Version!!
An asphalt-modified roof is: - (ANSWER)Torch-applied
A roof has a 7' run and 8" per unit rise. What is the total rise at the ridge? - (ANSWER)56"
Which of the following is NOT used as a weathering surface in single-ply roofing? - (ANSWER)Mica
If you know the lengths of two sides of a right angle, can you figure the length of the third side? -
(ANSWER)Yes, the third side squared = a2 + b2
The maximum heating temperature for steep asphalt is: - (ANSWER)525*F
What is the flash point of a coal-tar pitch kettle? - (ANSWER)240-280*F
What is the name of the thick, black, gummy plastic used for making temporary repairs to damp roof
surfaces? - (ANSWER)Wetpatch
Where are sump drains usually installed? - (ANSWER)Wood decks
Which would be used to strengthen the eaves of a gable roof? - (ANSWER)Fascia
For spans less than 10ft, what is the minimum size lumber that may be used with a roofing jack? -
(ANSWER)2" x 6"
Cal/OSHA may impose _______ concerning machinery. - (ANSWER)Fines and/or restraining orders
Trusses should be spaced _______ apart for tile roofs. - (ANSWER)2'-6"
Which of the following does not influence the exposure of wood shingles? - (ANSWER)Type of sheathing
Which of the following is least hazardous to your health? - (ANSWER)Hypalon
, C-39 Roofing Trade Exam Version 2 Newest 2025/2026 Complete Questions And Correct Detailed
Answers (Verified Answers) |Already Graded A+||Brand New Version!!
What is NOT a requirement when you reroof over a built-up roof? - (ANSWER)The deck must be torn up
Which of the following is not a correct statement about PVC sheet-laying adhesives? - (ANSWER)The
overlap should be 10"
The main purpose of a base sheet is to provide: - (ANSWER)A welding process
Why must kerosene kettles NOT burn at a low flame for a long time? - (ANSWER)Carbon will build up in
the coils
What is the best protector of metal? - (ANSWER)Red lead primer
What is a common requirement of asbestos, asphalt shingle, and slate roofs? - (ANSWER)Underlayment
What are rubber sheet, one-sided latex base, and Kraft paper used for? - (ANSWER)Vapor barrier
When setting up a ladder, how many feet per rung away from the wall should you set the base of the
ladder? - (ANSWER)1 foot per 4 rungs
When installing a shake roof over a comp roof, what must NOT be done? - (ANSWER)Remove valleys
with flashing
Corners on felt are folded and cemented: - (ANSWER)To prevent leaks
A raised delamination of roofing material usually caused by expansion of trapped water vapor or other
gases is called? - (ANSWER)A blister
In a 6" star pattern, how many chalk lines are needed? - (ANSWER)1
