Illinois Residential Roofing
Comprehensive Resource To Help You Ace
2026-2027 Includes Frequently Tested
Questions With ELABORATED 100% Correct
COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1. 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 - ANSWER D. Wood and other cellulose
fiber felts
2. 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 - ANSWER D. Suspended well below
the roof deck
,3. 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 - ANSWER A. Leaking
around or near a chimney
4. 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 - ANSWER C. 24 inches
5. 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 - ANSWER B. Flexibility
6. 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 - ANSWER C. 50 square feet per factory
square
7. How far away should a ladder be from the base of a building?
A. 1 foot out for every 4 feet vertically
B. 2 feet out for every 4 feet vertically
C. 1 foot out for every 5 feet vertically
D. 2 feet out for every 5 feet vertically - ANSWER A. 1 foot out for every 4 feet
vertically
8. What are the main functions of a roof deck?
A. Provides a substrate that the roof system can be attached to.
B. Support loads- both dead loads(which are permanent and stationary) and live
loads
C. Accommodates a buildings movement- that is, provide enough flexibility in the
deck construction to deal with earth movement and changes in temperature an
humidity
D. provides fire resistance from the inside of the and outside of a building.
E. All of the above - ANSWER E. All of the above
9. A roof system consists of material that are installed after the roof deck is in
place
, A. TRUE
B. FALSE - ANSWER A. TRUE
10. 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 - ANSWER E. Wood planks
11. What is a roof assembly?
A. Assembling the roof
B. Assembling the roof deck
C. Assembling the roof system
D. A combination of the roof deck and the roof system - ANSWER D. A
combination of the roof deck and the roof system
12. What type of roof does a stell deck panel most commonly go on?
A. Low-slope roof
B. High-slope
C. Hipped roof
Comprehensive Resource To Help You Ace
2026-2027 Includes Frequently Tested
Questions With ELABORATED 100% Correct
COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1. 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 - ANSWER D. Wood and other cellulose
fiber felts
2. 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 - ANSWER D. Suspended well below
the roof deck
,3. 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 - ANSWER A. Leaking
around or near a chimney
4. 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 - ANSWER C. 24 inches
5. 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 - ANSWER B. Flexibility
6. 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 - ANSWER C. 50 square feet per factory
square
7. How far away should a ladder be from the base of a building?
A. 1 foot out for every 4 feet vertically
B. 2 feet out for every 4 feet vertically
C. 1 foot out for every 5 feet vertically
D. 2 feet out for every 5 feet vertically - ANSWER A. 1 foot out for every 4 feet
vertically
8. What are the main functions of a roof deck?
A. Provides a substrate that the roof system can be attached to.
B. Support loads- both dead loads(which are permanent and stationary) and live
loads
C. Accommodates a buildings movement- that is, provide enough flexibility in the
deck construction to deal with earth movement and changes in temperature an
humidity
D. provides fire resistance from the inside of the and outside of a building.
E. All of the above - ANSWER E. All of the above
9. A roof system consists of material that are installed after the roof deck is in
place
, A. TRUE
B. FALSE - ANSWER A. TRUE
10. 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 - ANSWER E. Wood planks
11. What is a roof assembly?
A. Assembling the roof
B. Assembling the roof deck
C. Assembling the roof system
D. A combination of the roof deck and the roof system - ANSWER D. A
combination of the roof deck and the roof system
12. What type of roof does a stell deck panel most commonly go on?
A. Low-slope roof
B. High-slope
C. Hipped roof
