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Carpenter Red Seal Exam Prep · Question

According to typical Canadian residential construction practices, what is the maximum recommended spacing for studs in a non-load-bearing interior wall, when finished with 12.7 mm (1/2 in.) drywall?

For non-load-bearing interior walls finished with commonly used drywall, a 600 mm (24 in.) on-centre stud spacing is often acceptable, though 400 mm (16 in.) is

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Question: According to typical Canadian residential construction practices, what is the maximum recommended spacing for studs in a non-load-bearing interior wall, when finished with 12.7 mm (1/2 in.) drywall?

Answer options:

  • 300 mm (12 in.) on centre
  • 400 mm (16 in.) on centre ✅ 600 mm (24 in.) on centre
  • 800 mm (32 in.) on centre

Correct answer: 600 mm (24 in.) on centre

Explanation: For non-load-bearing interior walls finished with commonly used drywall, a 600 mm (24 in.) on-centre stud spacing is often acceptable, though 400 mm (16 in.) is also common for stability and ease of finishing.

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