ROOFING EXAM QUESTIONS
WITH COMPLETE AND CORRECT
ANSWERS 2026
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"
WITH COMPLETE AND CORRECT
ANSWERS 2026
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"
