Do I need to prime the surface before using TotalBoat Seal? Annette DiOrio December 08, 2021 20:41 Updated No, you do not need to prime the surface before using TotalBoat Seal elastomeric sealant. Related articles Can I sand TotalBoat Seal or apply paint over it? What are the recommended applications for TotalBoat Seal elastomeric sealant? What is the shelf life for TotalBoat Seal? Can I apply wax to cured TotalBoat Wet Edge topside paint? Are surfaces coated with TotalBoat TotalShine finishing compound and TotalBoat TotalBuff rubbing compound safe for food contact? Comments 0 comments Please sign in to leave a comment.