Can I sand TotalBoat Seal or apply paint over it? Annette DiOrio December 08, 2021 21:05 Updated Yes, after TotalBoat Seal elastomeric sealant is fully cured, you can sand it and apply paint. Related articles Do I need to prime the surface before using TotalBoat Seal? Can I use TotalBoat Seal on teak deck seams? Can I use TotalBoat Seal below the waterline? What are the recommended applications for TotalBoat Seal elastomeric sealant? Should I stabilize wood before encapsulating it in TotalBoat Cast N Turn resin? Comments 0 comments Please sign in to leave a comment.