What’s The Difference Between PVA Primer And Regular Primer?

What’s The Difference Between PVA Primer And Regular Primer? Polyvinyl acetate (PVA) primer, exclusively used on new drywall, is an economical alternative to standard primers. Untreated drywall is porous and absorbs paint; priming provides a smooth surface for the paint to adhere to, according to Bob Vila. … PVA primer, unlike oil-based primers, dries in