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

What is the preferred single-layer gypsum thickness for a ceiling with framing spaced 24 inches on center?

1/4-inch regular board 3/8-inch regular board 1/2-inch regular board applied parallel to the joists 5/8-inch board applied perpendicular to the joists

Correct Answer:

5/8-inch board applied perpendicular to the joists

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