C-39 Roofing Trade UPDATED ACTUAL Exam Questions and CORRECT Answers
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C-39 Roofing Trade
Institution
C-39 Roofing Trade
C-39 Roofing Trade UPDATED ACTUAL
Exam Questions and CORRECT Answers
A roof is 80' x 64' and one pallet has 6.45 squares of material. How many pallets are needed?
- CORRECT ANSWER- 8 pallets
The size of a house with a flat roof is 25' x 28'. It has a garage with a flat roof of 15' x 18'.
Ho...
C-39 Roofing Trade UPDATED ACTUAL
Exam Questions and CORRECT Answers
A roof is 80' x 64' and one pallet has 6.45 squares of material. How many pallets are needed?
- CORRECT ANSWER✔✔- 8 pallets
The size of a house with a flat roof is 25' x 28'. It has a garage with a flat roof of 15' x 18'.
How much roofing do the both of them need? - CORRECT ANSWER✔✔- 10 squares
A roof is 30' x 40'. If you need 1 square for the starter, 1 square for waste, and 1 2/3 square
for hip and ridge, how much roofing material will you need? - CORRECT ANSWER✔✔- 16
squares
Given that a sloped roof has an area of 1,160 sq ft. How many rolls of 15 pound felt (4
sq/roll) are needed to cover the roof with one layer? - CORRECT ANSWER✔✔- 3
Which statement is most correct? - CORRECT ANSWER✔✔- Tar is distilled from soft coal
Given a scale 1/4" = 1' what is 3'-6" - CORRECT ANSWER✔✔- 7/8"
Which of the following is the correct order for installing a tile roof? - CORRECT
ANSWER✔✔- Lay underlayment; snap chalkline; load tile; install tile
What is the purpose of a shake liner? - CORRECT ANSWER✔✔- To waterproof the roof
Which of the following are you most likely to use when nailing composition roof shingles on
a felted plywood deck? - CORRECT ANSWER✔✔- Coil nail gun
Which of the following types of insulation cannot be used in direct contact with BUR? -
CORRECT ANSWER✔✔- Polystyrene board
, How should you walk on a roof with flat concrete tiles? - CORRECT ANSWER✔✔- Step of
the headlap of the tiles
How would you load tile onto a roof? - CORRECT ANSWER✔✔- Load 6 tiles high and 3 ft
from the edge
The chalk line for installing tile should be set - CORRECT ANSWER✔✔- Perpendicular to
the eave
In a moderate climate with a normal slope, how far should back flashing go upside off a
chimney? - CORRECT ANSWER✔✔- 18"
Why should you not install composition single roofs when the temperature is 40* F or below?
- CORRECT ANSWER✔✔- The shingles can crack too easily with handling and nailing
What in the best way to prevent a leak behind a 36" wide masonry chimney? - CORRECT
ANSWER✔✔- Install a cricket
What is the best way to walk on spaced seating? - CORRECT ANSWER✔✔- Step on the 1"
x 4" and on the rafters
Composition flashing (base flashing) should be fastened with? - CORRECT ANSWER✔✔-
One inch solid cap-head nails or nails driven through tin disks
Reinforced concrete can be used as a structural deck. Which of the following is a correct
statement? - CORRECT ANSWER✔✔- Some moisture will remain in concrete decks even
after the surface is dry
On plywood decks not covered with insulation, a base ply should be ____________ to serve
as the base ply of the roof membrane. - CORRECT ANSWER✔✔- Attached with annular-
threaded nails
On slopes over 2 inches per foot, felt should be laid: - CORRECT ANSWER✔✔- Parallel to
the slope
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