Illinois Roofing Exam with all Correct & 100% Verified
Answers |Actual Complete Exam| Already Graded A+
1. What is the estimated 9. On closed cut valleys,
coverage rate when shingles are installed on one
figuring 2-plys of un- side of the
derlayment?
2. What length of clearance is
need- ed between
mechanical units, parapets,
and wall drains?
3. How far should you clean
past the effected area when
patching a BUR?
4. What size step flashing is
recom- mended by the
NRCA for wood shingles?
5. Most common dimension
for ar- chitectural (strip
shingles)?
6. Wood panels with a span
rating of 32/16?
7. Min slope requirement for
wood roofing systems?
8. NRCA recommends what
when applying ice dam
protection membrane on
roof with slope less than
4/12
1/
21
, Illinois Roofing Exam with all Correct & 100% Verified
Answers |Actual Complete Exam| Already Graded A+
50 sq. ft. per square
2 ft.
18 inches
7" Long x 8" Wide
12" x 36"
Panel may be used for roof decking supports
up to 32 inches OC and for subflooring
over supports up to 16 inches OC.
4:12 and greater
2 inches
2/
21
, Illinois Roofing Exam with all Correct & 100% Verified
Answers |Actual Complete Exam| Already Graded A+
valley, while shingles on the
oth- er side are cut how
short of the center line?
10. Minimum thickness for 26 gauge
galva- nized steel in an open
valley with- in an asphalt
shingle roof sys- tem?
11. 45 mph winds will raise
1 inch
water how far vertically
up a wall?
24 inches and greater
12. At what chimney width is a
crick- et recommended
over backer flashing?
13. For a thermoset membrane, 3 inches
new fasteners should be
patched how far beyond the
plate?
8 inches
14. How far should a fastener
be kept from the center of
the val- ley?
15. How many pounds per cubic feet 52.4lbs/cf
does water weigh?
16. Temperature at which moppings of hot asphalt are
bitumen is heated to the required over two plies of
proper viscosity? fiberglass ply felt?
17. In order to achieve a perm
rat- ing of 0, how many
3/
21
Answers |Actual Complete Exam| Already Graded A+
1. What is the estimated 9. On closed cut valleys,
coverage rate when shingles are installed on one
figuring 2-plys of un- side of the
derlayment?
2. What length of clearance is
need- ed between
mechanical units, parapets,
and wall drains?
3. How far should you clean
past the effected area when
patching a BUR?
4. What size step flashing is
recom- mended by the
NRCA for wood shingles?
5. Most common dimension
for ar- chitectural (strip
shingles)?
6. Wood panels with a span
rating of 32/16?
7. Min slope requirement for
wood roofing systems?
8. NRCA recommends what
when applying ice dam
protection membrane on
roof with slope less than
4/12
1/
21
, Illinois Roofing Exam with all Correct & 100% Verified
Answers |Actual Complete Exam| Already Graded A+
50 sq. ft. per square
2 ft.
18 inches
7" Long x 8" Wide
12" x 36"
Panel may be used for roof decking supports
up to 32 inches OC and for subflooring
over supports up to 16 inches OC.
4:12 and greater
2 inches
2/
21
, Illinois Roofing Exam with all Correct & 100% Verified
Answers |Actual Complete Exam| Already Graded A+
valley, while shingles on the
oth- er side are cut how
short of the center line?
10. Minimum thickness for 26 gauge
galva- nized steel in an open
valley with- in an asphalt
shingle roof sys- tem?
11. 45 mph winds will raise
1 inch
water how far vertically
up a wall?
24 inches and greater
12. At what chimney width is a
crick- et recommended
over backer flashing?
13. For a thermoset membrane, 3 inches
new fasteners should be
patched how far beyond the
plate?
8 inches
14. How far should a fastener
be kept from the center of
the val- ley?
15. How many pounds per cubic feet 52.4lbs/cf
does water weigh?
16. Temperature at which moppings of hot asphalt are
bitumen is heated to the required over two plies of
proper viscosity? fiberglass ply felt?
17. In order to achieve a perm
rat- ing of 0, how many
3/
21
