Page |1
FLORIDA ROOFING TRADE KNOWLEDGE TEST PREP (GCS)
NEWEST 2025/2026 NEWEST ACTUAL EXAM WITH
COMPLETE QUESTIONS AND VERIFIED ANSWERS
|ALREADY GRADED A+|
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:
, Page |2
REFERENCE: RCE - Pg. 133 - ANSWER-Buckle
As per OSHA, a stairway or ladder shall be provided at all
personnel points of access where there is a break in elevation of
___ an no ramp, runway, sloped embankment, or personnel hoist
is provided.
REFERENCE: OSHA - 1926.1051(a) - ANSWER-19 inches or
more
Which material is not recommended for re-cover on an existing
asphalt T-lock roof, according to the Roofing Construction and
Estimating?
REFERENCE: RCE-2015 - Pg. 395 - ANSWER-Asphalt strip
shingles
, Page |3
Which of the following sheets are the only thermoset materials
commonly used in construction of single-ply roof membranes in
the North American market?
REFERENCE: NRCA-2019-Membrane pg. 200 - ANSWER-
EPDM
Which is not a physical property once liquid applied roof
membranes are cured?
REFERENCE: NRCA-2019-Membrane pg. 215 - ANSWER-Heat
resistance
Fish mouths are caused by:
REFERENCE: RCE-(2015) - pg. 330 - ANSWER-Improper
alignment of the felts
, Page |4
Where counter flashing is installed into a reglet, what would be
the recommended minimum gage of galvanized steel to use for
fabrication?
REFERENCE: SMACNA-(7th) - pg. 4.6 - ANSWER-26 gage
As a rule of thumb, adequate attic ventilation is to allow one
square foot of net free vent opening for ___ of horizontal attic
surface when the roof has no vapor barrier.
REFERENCE: RCE-2015 - pg. 402 - ANSWER-Each 150 sq ft
Per Roofing Construction and Estimating, back nailing is:
REFERENCE: RCE-(2015) - pg. 297 - ANSWER-To stop
membranes from slipping
It is recommended that designers specify asphalt felt
underlayment used in tile roof systems complying with:
FLORIDA ROOFING TRADE KNOWLEDGE TEST PREP (GCS)
NEWEST 2025/2026 NEWEST ACTUAL EXAM WITH
COMPLETE QUESTIONS AND VERIFIED ANSWERS
|ALREADY GRADED A+|
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:
, Page |2
REFERENCE: RCE - Pg. 133 - ANSWER-Buckle
As per OSHA, a stairway or ladder shall be provided at all
personnel points of access where there is a break in elevation of
___ an no ramp, runway, sloped embankment, or personnel hoist
is provided.
REFERENCE: OSHA - 1926.1051(a) - ANSWER-19 inches or
more
Which material is not recommended for re-cover on an existing
asphalt T-lock roof, according to the Roofing Construction and
Estimating?
REFERENCE: RCE-2015 - Pg. 395 - ANSWER-Asphalt strip
shingles
, Page |3
Which of the following sheets are the only thermoset materials
commonly used in construction of single-ply roof membranes in
the North American market?
REFERENCE: NRCA-2019-Membrane pg. 200 - ANSWER-
EPDM
Which is not a physical property once liquid applied roof
membranes are cured?
REFERENCE: NRCA-2019-Membrane pg. 215 - ANSWER-Heat
resistance
Fish mouths are caused by:
REFERENCE: RCE-(2015) - pg. 330 - ANSWER-Improper
alignment of the felts
, Page |4
Where counter flashing is installed into a reglet, what would be
the recommended minimum gage of galvanized steel to use for
fabrication?
REFERENCE: SMACNA-(7th) - pg. 4.6 - ANSWER-26 gage
As a rule of thumb, adequate attic ventilation is to allow one
square foot of net free vent opening for ___ of horizontal attic
surface when the roof has no vapor barrier.
REFERENCE: RCE-2015 - pg. 402 - ANSWER-Each 150 sq ft
Per Roofing Construction and Estimating, back nailing is:
REFERENCE: RCE-(2015) - pg. 297 - ANSWER-To stop
membranes from slipping
It is recommended that designers specify asphalt felt
underlayment used in tile roof systems complying with:
