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

What must be applied to a finished gypsum-panel surface before paint or water-based texture?

Nothing; joint compound is already a primer A good-quality drywall primer compatible with the finish A second skim coat of topping compound in place of primer A solvent-based varnish to seal the paper

Correct Answer:

A good-quality drywall primer compatible with the finish

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