What Is The Difference Between PVA Primer And Drywall Primer?

What Is The Difference Between PVA Primer And Drywall Primer? Untreated drywall is porous and absorbs paint; priming provides a smooth surface for the paint to adhere to, according to Bob Vila. PVA primer covers seams, imperfections and sanded areas on the surface of the drywall. Typically, a wall that’s been primed first requires fewer