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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!!
What does a GFCI (Ground-Fault Circuit Interrupter) protect?
REFERENCE: OSHA - 1926.404(b)(1)(i) - ANSWER-The
employee
Use of water-based single-ply adhesives should be limited to
periods when ambient temperatures are expected to remain at a
minimum of ___ and rising during application and the next 48
hours.
REFERENCE: NRCA-2019-Membrane pg. 213 - ANSWER-
50F
For roof, mounted equipment in a HVHZ, what is the required
minimum leg height of equipment with a width of 42 inches?
,2|Page
REFERENCE: FBC-B-2017 - Table 1522.3 - ANSWER-24
inches
A toe board shall be erected along the edge of platforms when
the height is more than:
REFERENCE: OSHA - 1926.451h(2)(ii) - ANSWER-10 feet
Which is not a standard for SBS polymer-modified bitumen
sheets?
REFERENCE: NRCA Membrane 2019 pg. 193 - ANSWER-
ASTM D6223
The use of what is required to provide resistance against wind
uplift in a loose-laid EPDM single-ply-systems?
REFERENCE: NRCA-2019-Membrane pg. 238 - ANSWER-
Ballast
Expansion joints on a Bermuda type roof should be used at least
every:
,3|Page
REFERENCE:SMACNA 7th Pg. 6.22 - ANSWER-25 feet
Field lap seams when installing EPDM are typically constructed
with:
REFERENCE: NRCA-2019-Membrane pg. 201 - ANSWER-
Seam tape.
Which steel is one of the oldest and most common metallic-
coated metals?
REFERENCE: NRCA-Architectural Metal (2018) - pg. 24 -
ANSWER-Galvanized
Which of the following may not be used when waterproofing
slabs below grade where compacted earth, non-reinforced
concrete slab is in place before installation of the membrane?
REFERENCE: NRCA-2014-Waterproofing - pg. 37 -
ANSWER-PVC Membrane
, 4|Page
The lift coefficient for concrete and clay tile shall be:
REFERENCE: FBC-B - 1609.5.3 - ANSWER-0.20
The aggregate area of penthouses and other roof top structures
shall not exceed:
REFERENCE: FBC-B - 1510.2.2 - ANSWER-33
1/3% the area of the supporting roof
What is the name of the flashing used where a roof area
intersects a vertical side wall, with individual pieces of metal
flashing installed at the end of each shingle course?
REFERENCE: NRCA Steep Slope (2021) pg. 60 - ANSWER-
Step flashing
According to Roofing Construction & Estimating, the biggest
problem you'll have with mineral-surfaced roll roofing is its
tendency to:
REFERENCE: RCE - Pg. 133 - ANSWER-Buckle
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!!
What does a GFCI (Ground-Fault Circuit Interrupter) protect?
REFERENCE: OSHA - 1926.404(b)(1)(i) - ANSWER-The
employee
Use of water-based single-ply adhesives should be limited to
periods when ambient temperatures are expected to remain at a
minimum of ___ and rising during application and the next 48
hours.
REFERENCE: NRCA-2019-Membrane pg. 213 - ANSWER-
50F
For roof, mounted equipment in a HVHZ, what is the required
minimum leg height of equipment with a width of 42 inches?
,2|Page
REFERENCE: FBC-B-2017 - Table 1522.3 - ANSWER-24
inches
A toe board shall be erected along the edge of platforms when
the height is more than:
REFERENCE: OSHA - 1926.451h(2)(ii) - ANSWER-10 feet
Which is not a standard for SBS polymer-modified bitumen
sheets?
REFERENCE: NRCA Membrane 2019 pg. 193 - ANSWER-
ASTM D6223
The use of what is required to provide resistance against wind
uplift in a loose-laid EPDM single-ply-systems?
REFERENCE: NRCA-2019-Membrane pg. 238 - ANSWER-
Ballast
Expansion joints on a Bermuda type roof should be used at least
every:
,3|Page
REFERENCE:SMACNA 7th Pg. 6.22 - ANSWER-25 feet
Field lap seams when installing EPDM are typically constructed
with:
REFERENCE: NRCA-2019-Membrane pg. 201 - ANSWER-
Seam tape.
Which steel is one of the oldest and most common metallic-
coated metals?
REFERENCE: NRCA-Architectural Metal (2018) - pg. 24 -
ANSWER-Galvanized
Which of the following may not be used when waterproofing
slabs below grade where compacted earth, non-reinforced
concrete slab is in place before installation of the membrane?
REFERENCE: NRCA-2014-Waterproofing - pg. 37 -
ANSWER-PVC Membrane
, 4|Page
The lift coefficient for concrete and clay tile shall be:
REFERENCE: FBC-B - 1609.5.3 - ANSWER-0.20
The aggregate area of penthouses and other roof top structures
shall not exceed:
REFERENCE: FBC-B - 1510.2.2 - ANSWER-33
1/3% the area of the supporting roof
What is the name of the flashing used where a roof area
intersects a vertical side wall, with individual pieces of metal
flashing installed at the end of each shingle course?
REFERENCE: NRCA Steep Slope (2021) pg. 60 - ANSWER-
Step flashing
According to Roofing Construction & Estimating, the biggest
problem you'll have with mineral-surfaced roll roofing is its
tendency to:
REFERENCE: RCE - Pg. 133 - ANSWER-Buckle
