Can TotalBoat Gelcoat be used for a fiberglass pool? Eric Boudreau December 07, 2020 18:28 Updated Yes, TotalBoat Gelcoat can be used to coat a fiberglass pool. The gelcoat must be applied and cured properly, or it may not have the desired results. Related articles Do you have any tips for applying gelcoat by brush/roller? What is the cure time for TotalBoat Gelcoat without wax? Which spray gun nozzle size should I use to apply gelcoat? How much resin do I need to wet out fiberglass cloth? How to prevent gelcoat blisters Comments 0 comments Please sign in to leave a comment.