C-30 Roofing Trade Test with all Correct & 100%
Verified Answers |Latest Version |Already Graded A+
If there are two layers of no. 15 felt under asphalt shingles, the slope of the roof must be less than:
✔Correct Answer-4:12
Snap the vertical layout line for tile: ✔Correct Answer-Perpendicular to the horizontal chalk lines
How much does a roll of APP modified bitumen weigh? ✔Correct Answer-100-120 lb
When using a roof jack, how far should the top of the jack reach under the shingle? ✔Correct
Answer-5"
What is the correct exposure for typical hip tiles? ✔Correct Answer-14"
When laying tile to a hip, the hip nailing board should be set back at least _______ so the tile can be
set around the corner. ✔Correct Answer-10"
End shingles in an open valley are set in _______ of cement: ✔Correct Answer-3"
Mechanical fasteners and asphalt cementing must be used to attach the first ply of a roof membrane
to: ✔Correct Answer-Steel decks
What type of valley flashing should you use with steel shingles? ✔Correct Answer-Galvanized
metal
Which of the following is always true about roofing nails? ✔Correct Answer-They should be
designated specifically for roofing
What are normally doubled at all eaves for steep roofing applications? ✔Correct Answer-Shingles
Why do you trim, cut, and fold back corners of felt? ✔Correct Answer-So a nail driven through
them will hold better
Roofing materials should be installed when? ✔Correct Answer-Weather is warm
What type of below-grade waterproofing panel expands when it gets wet? ✔Correct Answer-
Bentonite/clay panel
If you install lightweight insulating concrete over a structural deck, you must vent the concrete:
✔Correct Answer-To allow for additional drying of concrete and to prevent the buildup of water-
vapor pressure
What regulates the heat in a LP kettle? ✔Correct Answer-Thermostat
The best way to tear off a gravel roof is: ✔Correct Answer-Top to bottom
What is the melting point of type II flat asphalt? ✔Correct Answer-158*-176* F
Verified Answers |Latest Version |Already Graded A+
If there are two layers of no. 15 felt under asphalt shingles, the slope of the roof must be less than:
✔Correct Answer-4:12
Snap the vertical layout line for tile: ✔Correct Answer-Perpendicular to the horizontal chalk lines
How much does a roll of APP modified bitumen weigh? ✔Correct Answer-100-120 lb
When using a roof jack, how far should the top of the jack reach under the shingle? ✔Correct
Answer-5"
What is the correct exposure for typical hip tiles? ✔Correct Answer-14"
When laying tile to a hip, the hip nailing board should be set back at least _______ so the tile can be
set around the corner. ✔Correct Answer-10"
End shingles in an open valley are set in _______ of cement: ✔Correct Answer-3"
Mechanical fasteners and asphalt cementing must be used to attach the first ply of a roof membrane
to: ✔Correct Answer-Steel decks
What type of valley flashing should you use with steel shingles? ✔Correct Answer-Galvanized
metal
Which of the following is always true about roofing nails? ✔Correct Answer-They should be
designated specifically for roofing
What are normally doubled at all eaves for steep roofing applications? ✔Correct Answer-Shingles
Why do you trim, cut, and fold back corners of felt? ✔Correct Answer-So a nail driven through
them will hold better
Roofing materials should be installed when? ✔Correct Answer-Weather is warm
What type of below-grade waterproofing panel expands when it gets wet? ✔Correct Answer-
Bentonite/clay panel
If you install lightweight insulating concrete over a structural deck, you must vent the concrete:
✔Correct Answer-To allow for additional drying of concrete and to prevent the buildup of water-
vapor pressure
What regulates the heat in a LP kettle? ✔Correct Answer-Thermostat
The best way to tear off a gravel roof is: ✔Correct Answer-Top to bottom
What is the melting point of type II flat asphalt? ✔Correct Answer-158*-176* F
