NV C-17C Drywall Practice Questions - Nevada C-17C Drywall Contractor Examination Exam

Joint reinforcing tape and joint compound used to coat C-17C gypsum wallboard must comply with which standard?

ASTM C557 ASTM C1047 ASTM C475 (and C474 for testing) ASTM C514

Correct Answer:

ASTM C475 (and C474 for testing)

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