EXAM
Exam Solution
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ICC certification J1 final 2026 A+ GRADE ASSURED COM
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PLETE SOLUTIONS AND VERIFIED ANSWERS (505E9) +t +t +t +t +t
QUESTION 1 +t
Wood wall framing supporting gypsum board and gypsum panel product shall not be les
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s than __________ nominal thickness in the least dimension.
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ANSWER
2-inch
QUESTION 2 +t
The fire-resistant rated wall or assembly separating townhomes shall be......
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ANSWER
continuous from foundation to the underside of roof shading
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QUESTION 3 +t
What is the maximum span for a 2 x 8Douglas fir-
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larch #2 ceiling joists with an attic without storage and joist spacing of 16 inches?
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ANSWER
23 feet 4 inches
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QUESTION 4 +t
Wall and ceiling finishes shall have a flame spread index not exceeding
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ANSWER
200
, QUESTION 5 +t
Habitable room shall not be less than _____________ in any horizontal dimension.
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ANSWER
7 feet
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QUESTION 6 +t
A track splice for cold form steel framed walls shall have
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ANSWER
four #8 screws on each side of the splice
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QUESTION 7 +t
How many coats of portland cement exterior plaster are required at a minimum when a
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pplied over masonry or concrete?
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ANSWER
2 coats
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QUESTION 8 +t
the greatest tread depth within any flight of stairs shall not exceed the smallest by more
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than
ANSWER
3/8 - inch +t +t
QUESTION 9 +t
Cold-
formed steel ceiling joist shall have a bearing support length of not less than _________ and
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shall be connected to rafters.
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ANSWER
1 1/2 inches
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QUESTION 10 +t
Fasteners used to install vinyl siding shall penetrate sheathing, furring framing or other
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nailable substrate a minimum of +t +t +t +t
Exam Solution
+t
ICC certification J1 final 2026 A+ GRADE ASSURED COM
+t +t +t +t +t +t +t +t
PLETE SOLUTIONS AND VERIFIED ANSWERS (505E9) +t +t +t +t +t
QUESTION 1 +t
Wood wall framing supporting gypsum board and gypsum panel product shall not be les
+t +t +t +t +t +t +t +t +t +t +t +t +t
s than __________ nominal thickness in the least dimension.
+t +t +t +t +t +t +t +t
ANSWER
2-inch
QUESTION 2 +t
The fire-resistant rated wall or assembly separating townhomes shall be......
+t +t +t +t +t +t +t +t +t
ANSWER
continuous from foundation to the underside of roof shading
+t +t +t +t +t +t +t +t
QUESTION 3 +t
What is the maximum span for a 2 x 8Douglas fir-
+t +t +t +t +t +t +t +t +t +t
larch #2 ceiling joists with an attic without storage and joist spacing of 16 inches?
+t +t +t +t +t +t +t +t +t +t +t +t +t +t
ANSWER
23 feet 4 inches
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QUESTION 4 +t
Wall and ceiling finishes shall have a flame spread index not exceeding
+t +t +t +t +t +t +t +t +t +t +t
ANSWER
200
, QUESTION 5 +t
Habitable room shall not be less than _____________ in any horizontal dimension.
+t +t +t +t +t +t +t +t +t +t +t
ANSWER
7 feet
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QUESTION 6 +t
A track splice for cold form steel framed walls shall have
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ANSWER
four #8 screws on each side of the splice
+t +t +t +t +t +t +t +t
QUESTION 7 +t
How many coats of portland cement exterior plaster are required at a minimum when a
+t +t +t +t +t +t +t +t +t +t +t +t +t +t
pplied over masonry or concrete?
+t +t +t +t
ANSWER
2 coats
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QUESTION 8 +t
the greatest tread depth within any flight of stairs shall not exceed the smallest by more
+t +t +t +t +t +t +t +t +t +t +t +t +t +t +t +t
than
ANSWER
3/8 - inch +t +t
QUESTION 9 +t
Cold-
formed steel ceiling joist shall have a bearing support length of not less than _________ and
+t +t +t +t +t +t +t +t +t +t +t +t +t +t +t
shall be connected to rafters.
+t +t +t +t +t
ANSWER
1 1/2 inches
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QUESTION 10 +t
Fasteners used to install vinyl siding shall penetrate sheathing, furring framing or other
+t +t +t +t +t +t +t +t +t +t +t +t +t
nailable substrate a minimum of +t +t +t +t