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Carpenter Red Seal Exam Prep · Question

When attaching gypsum board vertically to wall studs, what is the maximum recommended on-centre spacing for 38 mm x 89 mm (2x4) studs to adequately support the gypsum board and finish materials?

To properly support gypsum board and prevent cracking or sagging, studs are typically spaced at a maximum of 600 mm on centre when applying gypsum board vertica

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Question: When attaching gypsum board vertically to wall studs, what is the maximum recommended on-centre spacing for 38 mm x 89 mm (2x4) studs to adequately support the gypsum board and finish materials?

Answer options: ✅ 600 mm on centre

  • 400 mm on centre
  • 450 mm on centre
  • 500 mm on centre

Correct answer: 600 mm on centre

Explanation: To properly support gypsum board and prevent cracking or sagging, studs are typically spaced at a maximum of 600 mm on centre when applying gypsum board vertically. This aligns with standard construction practices.

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