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

When is ASTM C954 required instead of ASTM C1002 for gypsum-board screws?

For attaching board to light-gauge steel thinner than 0.033 inch For attaching board to heavier steel, nominally 0.033 to 0.112 inch thick For attaching board only to wood studs C954 is a joint-compound standard, not a screw standard

Correct Answer:

For attaching board to heavier steel, nominally 0.033 to 0.112 inch thick

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