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

Finished joints show as long ridges after paint in glancing light. What is the most likely C-17C cause?

Holding the bottom edge 1/4 inch off the floor Priming the surface before paint Joint ridging from butted ends, late hanger fasteners, or recoating before the compound finished shrinking Using Type X instead of regular board

Correct Answer:

Joint ridging from butted ends, late hanger fasteners, or recoating before the compound finished shrinking

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