Illinois roofing NEWEST 2026 ACTUAL COMPLETE
REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
A roof system consists of material that are installed after the roof deck is
in place
A. TRUE
B. FALSE
A. TRUE
Roof system materials may include... which one doesn't belong?
A. Ice and water shields
B. Underlayment
C. Vapor retarders
D. Insulation
E. Wood planks
F. Roof covering like membranes or shingles
G. Aggregate or mineral surfacing
E. Wood planks
,Which of these are the most commonly used for underlayment in
asphalt roofs?
A. Synthetic Fiber Felts
B. Saturant-grade asphalt
C. Coating-grade asphalt
D. Wood and other cellulose fiber felts
D. Wood and other cellulose fiber felts
Should built-up membrane be laid continuously. or with breaks in
between?
A. Continuously
B. Breaks in between
A. Continuously
,Where should electrical conduit or other piping be installed?
A. Attached directly on top of the roof deck
B. Attached directly below the roof deck
C. Embedded within the roofing system
D. Suspended well below the roof deck
D. Suspended well below the roof deck
Which of these is LEAST likely to require tear-off and replacement of an
existing steep slope roof?
A. Leaking around or near a chimney
B. Frequent repairs of the existing roof
C. Damage occurring to structural components
D. Leaking resulting in damage to building contents
A. Leaking around or near a chimney
, What does the NRCA recommend as the minimum clearance between a
mechanical unit and walls drains, and perimeters and penetrations in a
roofing system?
A. 6 inches
B. 12 inches
C. 24 inches
D. 36 inches
C. 24 inches
Which of the following is NOT among the characteristics of cellular glass
roof insulation?
A) Durability
B. Flexibility
C. Fire resistance
D. Stable R-value
B. Flexibility
Which of these is best to use when estimating the coverage of two plies
of felt roofing underlayment on a steep-slope roof?
A. 25 square feet per factory square
B. 33 square feet per factory square
C. 50 square feet per factory square
D. 100 square feet per factory square
C. 50 square feet per factory square
REAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
A roof system consists of material that are installed after the roof deck is
in place
A. TRUE
B. FALSE
A. TRUE
Roof system materials may include... which one doesn't belong?
A. Ice and water shields
B. Underlayment
C. Vapor retarders
D. Insulation
E. Wood planks
F. Roof covering like membranes or shingles
G. Aggregate or mineral surfacing
E. Wood planks
,Which of these are the most commonly used for underlayment in
asphalt roofs?
A. Synthetic Fiber Felts
B. Saturant-grade asphalt
C. Coating-grade asphalt
D. Wood and other cellulose fiber felts
D. Wood and other cellulose fiber felts
Should built-up membrane be laid continuously. or with breaks in
between?
A. Continuously
B. Breaks in between
A. Continuously
,Where should electrical conduit or other piping be installed?
A. Attached directly on top of the roof deck
B. Attached directly below the roof deck
C. Embedded within the roofing system
D. Suspended well below the roof deck
D. Suspended well below the roof deck
Which of these is LEAST likely to require tear-off and replacement of an
existing steep slope roof?
A. Leaking around or near a chimney
B. Frequent repairs of the existing roof
C. Damage occurring to structural components
D. Leaking resulting in damage to building contents
A. Leaking around or near a chimney
, What does the NRCA recommend as the minimum clearance between a
mechanical unit and walls drains, and perimeters and penetrations in a
roofing system?
A. 6 inches
B. 12 inches
C. 24 inches
D. 36 inches
C. 24 inches
Which of the following is NOT among the characteristics of cellular glass
roof insulation?
A) Durability
B. Flexibility
C. Fire resistance
D. Stable R-value
B. Flexibility
Which of these is best to use when estimating the coverage of two plies
of felt roofing underlayment on a steep-slope roof?
A. 25 square feet per factory square
B. 33 square feet per factory square
C. 50 square feet per factory square
D. 100 square feet per factory square
C. 50 square feet per factory square
