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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+||Newest Version!!!
Roll roofing materials used as reinforcing layers in built up
membranes consist of three categories as follows -
Answer-Base sheets, Ply sheets, Mineral surfaced cap
sheets
Where should an emergency overflow drain be
connected? - Answer-To an independent drain
Which of the following is not a procedure for preparing a
TPO membrane to receive a remedial patch? - Answer-
Spud aggregate and excessive flood coat
The lower the slope, the longer it will take for rain water to
dissipate from the roof surface. Rain water that has not
dissipated within a determined period of time after cease
of rainfall is considered to be "ponding". What is the time
determinate? - Answer-48 hours
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Before applying the low slope membrane, you must make
sure that _____ are in place at all parapet wall or other
needed locations of the roof deck. - Answer-Over-flow
protection
Over-flows are required on any low slope roof with ___. -
Answer-parapet walls
When opening a membrane, any incision made parallel to
a factory or field seam should be held back a minimum of -
Answer-8 inches from seam
TPO, PVC and EPDM are all classified as: - Answer-
Single Ply-Membranes, Low Slope Roofing Systems,
Class A-Fire Rated
__________ must be installed in walls or parapets with
metal counterflashing. - Answer-Reglets
A reglet is a type of ___ into a mortar joint - Answer-
groove cut
C-39 Roofing Trade Exam Version 2 Newest 2025/2026
Complete 100 Questions And Correct Detailed
Answers (Verified Answers) |Already Graded
A+||Newest Version!!!
Roll roofing materials used as reinforcing layers in built up
membranes consist of three categories as follows -
Answer-Base sheets, Ply sheets, Mineral surfaced cap
sheets
Where should an emergency overflow drain be
connected? - Answer-To an independent drain
Which of the following is not a procedure for preparing a
TPO membrane to receive a remedial patch? - Answer-
Spud aggregate and excessive flood coat
The lower the slope, the longer it will take for rain water to
dissipate from the roof surface. Rain water that has not
dissipated within a determined period of time after cease
of rainfall is considered to be "ponding". What is the time
determinate? - Answer-48 hours
, 2|Page
Before applying the low slope membrane, you must make
sure that _____ are in place at all parapet wall or other
needed locations of the roof deck. - Answer-Over-flow
protection
Over-flows are required on any low slope roof with ___. -
Answer-parapet walls
When opening a membrane, any incision made parallel to
a factory or field seam should be held back a minimum of -
Answer-8 inches from seam
TPO, PVC and EPDM are all classified as: - Answer-
Single Ply-Membranes, Low Slope Roofing Systems,
Class A-Fire Rated
__________ must be installed in walls or parapets with
metal counterflashing. - Answer-Reglets
A reglet is a type of ___ into a mortar joint - Answer-
groove cut
