How soon should I remove PVA from gelcoat after the gelcoat has cured? Annette DiOrio August 17, 2021 13:29 Updated PVA (polyvinyl alcohol) is sprayed on the surface of gelcoat without wax in order to make the gelcoat cure properly. Once the gelcoat has cured, it doesn't matter when you remove PVA from the surface. Related articles Can I wet out Kevlar® reinforcement fabric with TotalBoat Polyester Resin? How much bottom paint do I need? How soon can I apply TotalBoat Gelcoat after applying TotalBoat 2-Part Epoxy Primer? Is polyester resin UV stable? How long do I need to wait for gelcoat to cure before I can sand it? Comments 0 comments Please sign in to leave a comment.