Is it OK to apply TotalBoat Polyester Fairing Compound on top of a one-part primer? Annette DiOrio May 05, 2021 19:05 Updated No, do not apply TotalBoat Polyester Fairing Compound on a one-part primer. Finish any fairing job before priming and painting. Paint will not adhere properly to the polyester fairing compound. Related articles Will TotalBoat TotalFair stick to a plastic surface? How much surface can I cover with one gallon of mixed epoxy? What causes pinholes in cured TotalBoat TotalFair and how do I remove them? Does TotalBoat Gelcoat require thinning? How soon can I apply TotalBoat Gelcoat after applying TotalBoat 2-Part Epoxy Primer? Comments 0 comments Please sign in to leave a comment.