Carpenter Red Seal Exam Prep · Question
A carpenter is framing a non-load-bearing interior wall. What is the minimum required size of studs for this application according to the National Building Code of Canada (NBC)?
For non-load-bearing interior walls, the NBC typically permits the use of 38 mm x 89 mm (2x4 nominal) studs. While smaller studs like 38 mm x 64 mm (2x3 nominal
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Question: A carpenter is framing a non-load-bearing interior wall. What is the minimum required size of studs for this application according to the National Building Code of Canada (NBC)?
Answer options:
- 38 mm x 64 mm (2x3 nominal) ✅ 38 mm x 89 mm (2x4 nominal)
- 38 mm x 140 mm (2x6 nominal)
- 38 mm x 38 mm (2x2 nominal)
Correct answer: 38 mm x 89 mm (2x4 nominal)
Explanation: For non-load-bearing interior walls, the NBC typically permits the use of 38 mm x 89 mm (2x4 nominal) studs. While smaller studs like 38 mm x 64 mm (2x3 nominal) might be used in some non-load-bearing applications, 2x4s are more common and provide better rigidity.
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