261.
Jimmy Joe is trimming the upper corner of shingles along the valley centerline at a 45 degree angle. The process of trimming the shingles is known as
A
Dubbing
B
Cropping
C
Serration
D
Trimming the shingles
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277 practice sets · Page 14 of 14
Jimmy Joe is trimming the upper corner of shingles along the valley centerline at a 45 degree angle. The process of trimming the shingles is known as
Dubbing
Cropping
Serration
Trimming the shingles
Jimmy Joe installed the insulation using dead-level asphalt. Jimmy Joe is going to apply an EPDM roof membrane system. Jimmy Joe should
Know that is not a recommended roofing application
Never mix EPDM systems with any type of asphalt application
Insure the dead-level asphalt is completely dry before installing the EPDM roof membrane system
Install a slip sheet between the membrane and the incompatible substrate
is one of the least expensive metal valley flashing materials and therefore, most often used.
Copper
Zinc
Tin
Aluminum
In single layer applications, all felts should be lapped
Horizontally in shingle fashion a minimum of 3 inches
Vertically in shingle fashion a minimum of 4 inches
Horizontally in shingle fashion a minimum of 2 inches
Vertically in shingle fashion a minimum of 2 inches
In high wind areas the drip edge should be nailed on centers
10 inch
6 inch
4 inch
8 inch
In high wind areas the drip edge should be nailed on center how many inches apart?
6
8
12
2
In high wind areas joints should be lapped at least how many inches?
3
4
6
2
In damp areas where good ventilation is important clay tile roofs should have
hot mop application
ballast system
counter batten system
Double selvage
In a closed valley
Flash the valley with a 36 inch-wide layer of mineral or smooth surfaced roll roofing (50 pounds or heavier)
Metal flashing is the best choice
Do not use asphalt plastic cement
The felt underlayment must be doubled in the valley area
If a roof leaks it is most likely to leak
At a flashing point
Under the membrane
At a valley
At the perimeter
Hip and ridge bundles contain how many units per bundle?
40
50
60
30
good roofer should always when estimating a roof?
Sketch the roof
Secure the ladder
Photograph the roof
Measure the roof
Given number one handsplit shakes with 22 inch exposure, the number of bundles required per square is
2.27
4.17
2.78
9.09
Given four bundles of single-coursing No. 1 grade 16-inch wood shingles, the maximum recommended weather exposure for sidewall application is
150 square feet applied at a 7 1/2-inch exposure
160 square feet applied at a 8-inch exposure
170 square feet applied at a 8 1/2-inch exposure
140 square feet applied at a 7-inch exposure
Given a roof slope of 10 in 12 and a hip run of 12 feet, the actual length of any hip for the roof will be
12 feet
15.62 feet
19.7 feet
10 feet
For slate tile installed over copper crickets, the slate should lap the copper at least how many inches?
4
6
8
2
For open valleys, flash the valley with metal thats wide enough to extend at least
6 inches under the slate
8 inches under the slate
12 inches under the slate
4 inches under the slate