ROOFING 2025 EXAM WITH ALL CORRECT &
VERIFIED ANSWERS
A "square of shingles" covers Correct answer-100 sq. ft
The side of the roof that usually wears out first is the Correct answer-South and southwest side
Double underlayment is required for an asphalt shingle application where the roof has a maximum
slope of ________. Correct answer-4:12
What is the min slope for asphalt shingles? Correct answer-2:12
A notch located in the end of a solid lumber ceiling joist shall have a maximum depth of _______
Correct answer-One-fourth the joist depth
In the framing of an opening in ceiling construction, approved hangers shall be used for the header
joist to trimmer joist connections where the header joist span exceeds ___________feet. Correct
answer-6
Unless listed for lesser clearances, combustible insulation should be separated a minimum of
_________ from recessed lighting fixtures fan motors and other heat producing devices Correct
answer-3 inches
Where the roof slopes are less than________ , the structural members that support rafters and
ceiling joists (such as: ridge beams, hips, and valleys) shall be designed as beams Correct answer-
3 : 12
Class A,B or C roofing shall be installed unless the edge of the roof is a minimum of ______from the
property line. Correct answer-3 feet
An access opening is required in attics of combustible construction where the attic space
exceeds_______square feet in area Correct answer-30
What is the minimum distance a roof projection on a dwelling shall be located from an interior lot
line? Correct answer-0 feet; it may extend to the property line
When ceiling joists are spaced 24 inches o.c. what the minimum thickness in inches of gypsum
wallboard installed perpendicular to joists without adhesive? Correct answer-1/2
1 Blue grade wood shingles_________.
a) are 100% edge grain
b) are 100% heartwood
c) are free from knots (100% clear)
d) all of the above Correct answer-All of the above
Ice dam evidence includes everything listed here EXCEPT Correct answer-water running down
along rafters from peak
The pitch of a valley in a slopped roof with a 4 in 12 pitch is approximately Correct answer-3 in 12
VERIFIED ANSWERS
A "square of shingles" covers Correct answer-100 sq. ft
The side of the roof that usually wears out first is the Correct answer-South and southwest side
Double underlayment is required for an asphalt shingle application where the roof has a maximum
slope of ________. Correct answer-4:12
What is the min slope for asphalt shingles? Correct answer-2:12
A notch located in the end of a solid lumber ceiling joist shall have a maximum depth of _______
Correct answer-One-fourth the joist depth
In the framing of an opening in ceiling construction, approved hangers shall be used for the header
joist to trimmer joist connections where the header joist span exceeds ___________feet. Correct
answer-6
Unless listed for lesser clearances, combustible insulation should be separated a minimum of
_________ from recessed lighting fixtures fan motors and other heat producing devices Correct
answer-3 inches
Where the roof slopes are less than________ , the structural members that support rafters and
ceiling joists (such as: ridge beams, hips, and valleys) shall be designed as beams Correct answer-
3 : 12
Class A,B or C roofing shall be installed unless the edge of the roof is a minimum of ______from the
property line. Correct answer-3 feet
An access opening is required in attics of combustible construction where the attic space
exceeds_______square feet in area Correct answer-30
What is the minimum distance a roof projection on a dwelling shall be located from an interior lot
line? Correct answer-0 feet; it may extend to the property line
When ceiling joists are spaced 24 inches o.c. what the minimum thickness in inches of gypsum
wallboard installed perpendicular to joists without adhesive? Correct answer-1/2
1 Blue grade wood shingles_________.
a) are 100% edge grain
b) are 100% heartwood
c) are free from knots (100% clear)
d) all of the above Correct answer-All of the above
Ice dam evidence includes everything listed here EXCEPT Correct answer-water running down
along rafters from peak
The pitch of a valley in a slopped roof with a 4 in 12 pitch is approximately Correct answer-3 in 12
