NV C-4E Drywall Practice Questions - Nevada C-4E Drywall Contractor Examination Exam

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For a horizontal wood-frame gypsum diaphragm ceiling under IBC 2018 Section 2508.6.4, what is the maximum fastener spacing at all supports, including perimeter blocking?

4 inches on center 16 inches on center 12 inches on center 7 inches on center

Correct Answer:

7 inches on center

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