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Carpenter Red Seal Exam Prep · Question

A carpenter is installing several sheets of 12.7 mm (1/2 in.) drywall on a new wall framing. What is the maximum recommended spacing for drywall screws on the field of the sheet when fastening to wood studs?

According to typical building practices and drywall installation guidelines, drywall screws on the field of the sheet should be spaced at a maximum of 600 mm (2

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Question: A carpenter is installing several sheets of 12.7 mm (1/2 in.) drywall on a new wall framing. What is the maximum recommended spacing for drywall screws on the field of the sheet when fastening to wood studs?

Answer options:

  • 200 mm (8 in.)
  • 300 mm (12 in.)
  • 400 mm (16 in.) ✅ 600 mm (24 in.)

Correct answer: 600 mm (24 in.)

Explanation: According to typical building practices and drywall installation guidelines, drywall screws on the field of the sheet should be spaced at a maximum of 600 mm (24 in.) for walls. Closer spacing is required at edges and ends.

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