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Florida Roofing Trade Knowledge Test Prep
(GCS) Newest 2025/2026 Complete 100
Questions And Correct Detailed Answers
(Verified Answers) |Already Graded
A+||Brand New Version!!
Who is responsible for requiring the wearing of
appropriate personal protective equipment?
REFERENCE: OSHA - 1926.28(a) - . . ANSWER ✔
✔The employer
Valley flashing for metal roof shingles shall extend at least:
REFERENCE: FBC-B 2020/2017 - 1507.5.7 - . . ANSWER
✔ ✔8 inches from the centerline each way
How many plies of coal tar built-membrane are needed to
waterproof a wall when the hydrostatic pressure is 49 feet?
REFERENCE: NRCA-2020-WATERPROOF-PG.43 & 44 -
. . ANSWER ✔ ✔3
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On counter flashing systems, flashing receivers should be:
REFERENCE: SMACNA-PG.4.6 - . . ANSWER ✔ ✔16
oz. copper
A roofing crew should be able to place ___ squares per
day of mechanically fastened EPDM roofing.
REFERENCE: WALKERS 31ST - PG.825 - . . ANSWER
✔ ✔35
In batten seam roofing, the recommended MAXIMUM
distance between battens is:
REFERENCE: SMACNA-(7th)-PG. 6.18 - . . ANSWER ✔
✔20 inches
In a HVHZ, no re-cover applications shall take place over
which of the following existing materials?
REFERENCE: FBC-B 2020/2017 - 1521.16 - . . ANSWER
✔ ✔Wood shingles
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It is recommended that drip edge metal for tile roof
systems be fabricated from:
REFERENCE: NRCA Steep Slope (2021) PG. 226 - . .
ANSWER ✔ ✔16 oz copper
A gallon of water weighs:
REFERENCE: NRCA-2020-WATERPROOFING - PG. 30 -
. . ANSWER ✔ ✔62.4 lbs per cubic foot
What is the nominal weight of 22-gage stainless steel?
REFERENCE: SMACNA-(7th) - PG. A.3 - TABLE A-4 - . .
ANSWER ✔ ✔1.31 lb. /ft2
On a sloping roof penetration extend the flashing flange a
minimum of:
REFERENCE: SMACNA-(7th) -PG. 8.24 - . . ANSWER ✔
✔4 inches onto the roof
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Special Kraft-faced fiberglass batts come in two
thicknesses and are:
REFERENCE: RCE-PG. 350 - . . ANSWER ✔ ✔24
inches wide and 48 inches long
Per NRCA, skylight frames should overlap the curb a
minimum of how many inches to act as a counterflashing
or a separate counterflashing should be installed?
REFERENCE: NRCA-METAL PANEL AND SPF - PG. 153
and PG. 165 (2016) and PG. 201 and PG. 440 (2020) - . .
ANSWER ✔ ✔3 inches
Per NRCA, which of the following is not a bitumen used
for built-up membrane systems (BUR)?
REFERENCE: NRCA-2019-MEMBRANE-PG. 174 - . .
ANSWER ✔ ✔Coal-tar system
According to Walker's, when performed metal siding is
laid on roofs, it should have an end lap of:
Florida Roofing Trade Knowledge Test Prep
(GCS) Newest 2025/2026 Complete 100
Questions And Correct Detailed Answers
(Verified Answers) |Already Graded
A+||Brand New Version!!
Who is responsible for requiring the wearing of
appropriate personal protective equipment?
REFERENCE: OSHA - 1926.28(a) - . . ANSWER ✔
✔The employer
Valley flashing for metal roof shingles shall extend at least:
REFERENCE: FBC-B 2020/2017 - 1507.5.7 - . . ANSWER
✔ ✔8 inches from the centerline each way
How many plies of coal tar built-membrane are needed to
waterproof a wall when the hydrostatic pressure is 49 feet?
REFERENCE: NRCA-2020-WATERPROOF-PG.43 & 44 -
. . ANSWER ✔ ✔3
,2|Page
On counter flashing systems, flashing receivers should be:
REFERENCE: SMACNA-PG.4.6 - . . ANSWER ✔ ✔16
oz. copper
A roofing crew should be able to place ___ squares per
day of mechanically fastened EPDM roofing.
REFERENCE: WALKERS 31ST - PG.825 - . . ANSWER
✔ ✔35
In batten seam roofing, the recommended MAXIMUM
distance between battens is:
REFERENCE: SMACNA-(7th)-PG. 6.18 - . . ANSWER ✔
✔20 inches
In a HVHZ, no re-cover applications shall take place over
which of the following existing materials?
REFERENCE: FBC-B 2020/2017 - 1521.16 - . . ANSWER
✔ ✔Wood shingles
,3|Page
It is recommended that drip edge metal for tile roof
systems be fabricated from:
REFERENCE: NRCA Steep Slope (2021) PG. 226 - . .
ANSWER ✔ ✔16 oz copper
A gallon of water weighs:
REFERENCE: NRCA-2020-WATERPROOFING - PG. 30 -
. . ANSWER ✔ ✔62.4 lbs per cubic foot
What is the nominal weight of 22-gage stainless steel?
REFERENCE: SMACNA-(7th) - PG. A.3 - TABLE A-4 - . .
ANSWER ✔ ✔1.31 lb. /ft2
On a sloping roof penetration extend the flashing flange a
minimum of:
REFERENCE: SMACNA-(7th) -PG. 8.24 - . . ANSWER ✔
✔4 inches onto the roof
, 4|Page
Special Kraft-faced fiberglass batts come in two
thicknesses and are:
REFERENCE: RCE-PG. 350 - . . ANSWER ✔ ✔24
inches wide and 48 inches long
Per NRCA, skylight frames should overlap the curb a
minimum of how many inches to act as a counterflashing
or a separate counterflashing should be installed?
REFERENCE: NRCA-METAL PANEL AND SPF - PG. 153
and PG. 165 (2016) and PG. 201 and PG. 440 (2020) - . .
ANSWER ✔ ✔3 inches
Per NRCA, which of the following is not a bitumen used
for built-up membrane systems (BUR)?
REFERENCE: NRCA-2019-MEMBRANE-PG. 174 - . .
ANSWER ✔ ✔Coal-tar system
According to Walker's, when performed metal siding is
laid on roofs, it should have an end lap of:
