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