How long can PVA be allowed to stay on gelcoat after it has cured? Eric Boudreau April 01, 2022 14:52 Updated There is no maximum amount of time that PVA can be allowed to stay on gelcoat after it has cured. Related articles What is the cure time for TotalBoat Gelcoat with or without wax? Can TotalBoat Gelcoat be used to coat a gas tank? Do you have any tips for applying gelcoat by brush/roller? What is the mix ratio for MEKP catalyst when using TotalBoat Polyester Laminating Resin? Why did TotalBoat Gelcoat cure without a glossy finish?