AZ ROC C-1 C-10 Drywall & Acoustical Systems Practice Questions - Arizona ROC C-1 C-10 Drywall And Acoustical Systems Examination Exam

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What is the maximum allowed fastener spacing when single-layer 1/2-inch gypsum board is attached to ceiling joists spaced 16 inches on center using Type W screws without adhesive?

7 inches on center 8 inches on center 12 inches on center 16 inches on center

Correct Answer:

12 inches on center

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