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

What is the minimum penetration of a gypsum-board screw into wood framing and through steel framing?

3/8 inch into wood and 5/8 inch through steel 1-1/2 inches into wood and 1 inch through steel 5/8 inch into wood and 3/8 inch through steel Face-paper contact only; penetration is not specified

Correct Answer:

5/8 inch into wood and 3/8 inch through steel

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