Roofing Practice Exam #1 with 100%
correct answers
According to the architectural sheet metal manual, what is the minimum thickness of a 4" x 6"
plain rectangular copper downspout? - ANS16 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. - ANS4" 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 - ANS30 minutes
Which of the following is not a potential problem of ponding water due to the lack of drainage on
a low slope roof? - ANSMembrane 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? - ANS6.67 Bundles
Each self-supporting ladder shall be capable of supporting, without failure, _____ times the
maximum intended load - ANS4
According to the architectural sheet metal manual, which of the following metals cannot be
soldered? - ANSAluminum
A roll of #15 roofing felt contains ____ factory squares and is _____ square feet. - ANS4; 324
A _______ provides a hidden method of anchorage to avoid the exposure of mechanical
fasteners. - ANSCleat
Buildings of four stories or more in height shall be provided a stairway access to the roof unless
the roof slope is greater than ______. - ANS4: 12
According to Roofing Construction and Estimating, what is the most common type of solder
used on sheet metal roofing? - ANS50-50
According to the NRCA, what is the maximum exposure recommenced when installing 18"inch
wood shingles on a slope of 4:12? - ANS5-1/2"
According to the Florida Building Code - Test Protocols for High-Velocity Hurricanes Zones,
asphaltic shingles shall be fastened using _______ approved nails per shingle. - ANS6
, The NRCA recommends _____ plies of asphalt built-up membrane to resist 10" of hydrostatic
pressure head. - ANS3
What is the area of a plain rectangular downspout with actual dimensions of 3" x 4"? -
ANS12.000 inches square
What is the range of rib with for a wide rib steel deck? - ANS1-3/4" 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 - ANS94 square feet
According to roofing construction and Estimating, what in addition to underlayment is
recommended to flash a full lace valley? - ANS36" wide roll roofing (50lbs or heavier)
What is the minimum height for base flashing in a multi-ply membrane built-up roofing system? -
ANS8"
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.
- ANS1"
According to roofing construction and estimating, when installing shingles across a valley,
fasteners shall be a minimum of _____ from the centerline. - ANS6"
According to NRCa, what is the approximate coverage per square for a 24", No. 1 wood shingle
with the maximum exposure? - ANS100 square feet
What is minimum thickness for galvanized steel valley lining material? - ANS0.0179"
Which go the following is recommended for falling the open valley of a tile roof system over an
unsealed underlayment system? - ANS26ga 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"? - ANS4"
A construction site averages 165 employees per day. How many portable toilets are required to
be on this jobsite? - ANS5 toilets
What is the total cost, excluding tax, of 350 square feet of B&S gage 20 copper sheeting priced
at $3.75 per pound? - ANS$1,968.75 formula: 350sq x 1.5lb/sq x 3.75/lb = answer
According to OSHA, each scaffold component shall be capable of supporting, without failure,
_____ times the maximum intend load. - ANS4
correct answers
According to the architectural sheet metal manual, what is the minimum thickness of a 4" x 6"
plain rectangular copper downspout? - ANS16 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. - ANS4" 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 - ANS30 minutes
Which of the following is not a potential problem of ponding water due to the lack of drainage on
a low slope roof? - ANSMembrane 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? - ANS6.67 Bundles
Each self-supporting ladder shall be capable of supporting, without failure, _____ times the
maximum intended load - ANS4
According to the architectural sheet metal manual, which of the following metals cannot be
soldered? - ANSAluminum
A roll of #15 roofing felt contains ____ factory squares and is _____ square feet. - ANS4; 324
A _______ provides a hidden method of anchorage to avoid the exposure of mechanical
fasteners. - ANSCleat
Buildings of four stories or more in height shall be provided a stairway access to the roof unless
the roof slope is greater than ______. - ANS4: 12
According to Roofing Construction and Estimating, what is the most common type of solder
used on sheet metal roofing? - ANS50-50
According to the NRCA, what is the maximum exposure recommenced when installing 18"inch
wood shingles on a slope of 4:12? - ANS5-1/2"
According to the Florida Building Code - Test Protocols for High-Velocity Hurricanes Zones,
asphaltic shingles shall be fastened using _______ approved nails per shingle. - ANS6
, The NRCA recommends _____ plies of asphalt built-up membrane to resist 10" of hydrostatic
pressure head. - ANS3
What is the area of a plain rectangular downspout with actual dimensions of 3" x 4"? -
ANS12.000 inches square
What is the range of rib with for a wide rib steel deck? - ANS1-3/4" 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 - ANS94 square feet
According to roofing construction and Estimating, what in addition to underlayment is
recommended to flash a full lace valley? - ANS36" wide roll roofing (50lbs or heavier)
What is the minimum height for base flashing in a multi-ply membrane built-up roofing system? -
ANS8"
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.
- ANS1"
According to roofing construction and estimating, when installing shingles across a valley,
fasteners shall be a minimum of _____ from the centerline. - ANS6"
According to NRCa, what is the approximate coverage per square for a 24", No. 1 wood shingle
with the maximum exposure? - ANS100 square feet
What is minimum thickness for galvanized steel valley lining material? - ANS0.0179"
Which go the following is recommended for falling the open valley of a tile roof system over an
unsealed underlayment system? - ANS26ga 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"? - ANS4"
A construction site averages 165 employees per day. How many portable toilets are required to
be on this jobsite? - ANS5 toilets
What is the total cost, excluding tax, of 350 square feet of B&S gage 20 copper sheeting priced
at $3.75 per pound? - ANS$1,968.75 formula: 350sq x 1.5lb/sq x 3.75/lb = answer
According to OSHA, each scaffold component shall be capable of supporting, without failure,
_____ times the maximum intend load. - ANS4
