Already Passed Answers.
According to the architectural sheet metal manual, what is the minimum thickness of a 4" x 6"
plain rectangular copper downspout? - Answer 16 Oz
When using step or channel flashing where a tile roof area intersects a side wall, NRCA
recommends extending the flashing a minimum of ______ up the wall. - Answer 4" inch
When installing EPDM waterproofing, lay the membrane on the substrate or flat surface and
allow it to relax for a minimum of ______ before use - Answer 30 minutes
Which of the following is not a potential problem of ponding water due to the lack of drainage
on a low slope roof? - Answer Membrane Seperation
According to Roofing Construction and Estimating, how many bundles of No. 2 Tapersplit shakes
are required per square of roofing when applied with 1/2" inch spacing and 7-1/2" exposure? -
Answer 6.67 Bundles
Each self-supporting ladder shall be capable of supporting, without failure, _____ times the
maximum intended load - Answer 4
According to the architectural sheet metal manual, which of the following metals cannot be
soldered? - Answer Aluminum
A roll of #15 roofing felt contains ____ factory squares and is _____ square feet. - Answer 4;
324
A _______ provides a hidden method of anchorage to avoid the exposure of mechanical
fasteners. - Answer Cleat
Buildings of four stories or more in height shall be provided a stairway access to the roof unless
the roof slope is greater than ______. - Answer 4: 12
According to Roofing Construction and Estimating, what is the most common type of solder
used on sheet metal roofing? - Answer 50-50
According to the NRCA, what is the maximum exposure recommenced when installing 18"inch
wood shingles on a slope of 4:12? - Answer 5-1/2"
, According to the Florida Building Code - Test Protocols for High-Velocity Hurricanes Zones,
asphaltic shingles shall be fastened using _______ approved nails per shingle. - Answer 6
The NRCA recommends _____ plies of asphalt built-up membrane to resist 10" of hydrostatic
pressure head. - Answer 3
What is the area of a plain rectangular downspout with actual dimensions of 3" x 4"? - Answer
12.000 inches square
What is the range of rib with for a wide rib steel deck? - Answer 1-3/4" to 2-5/8"
How many square feet will 5 bundles of 18" x3/8" shakes cover when applied with 1/2" spacing
and an 8" exposure - Answer 94 square feet
According to roofing construction and Estimating, what in addition to underlayment is
recommended to flash a full lace valley? - Answer 36" wide roll roofing (50lbs or heavier)
What is the minimum height for base flashing in a multi-ply membrane built-up roofing system?
- Answer 8"
According the architectural sheet metal manual, standing seam roofs utilizing the pan method.
and. field formed method are recommenced for roofs having a slope of ____ per foot or greater.
- Answer 1"
According to roofing construction and estimating, when installing shingles across a valley,
fasteners shall be a minimum of _____ from the centerline. - Answer 6"
According to NRCa, what is the approximate coverage per square for a 24", No. 1 wood shingle
with the maximum exposure? - Answer 100 square feet
What is minimum thickness for galvanized steel valley lining material? - Answer 0.0179"
Which go the following is recommended for falling the open valley of a tile roof system over an
unsealed underlayment system? - Answer 26ga galvanized flashing, 2-1/2" water diverter
and 1" water guards
What is the average thickness of a piece of tapered insulation sloping from 2" to 6"? - Answer
4"