How long does TotalBoat Seal take to cure? Annette DiOrio December 08, 2021 20:19 Updated The full cure time for TotalBoat Seal elastomeric sealant is about 1-7 days, depending on temperature and humidity conditions. Related articles What type of caulk gun do I need to dispense TotalBoat Seal? What is the shelf life for TotalBoat Seal? What are the recommended applications for TotalBoat Seal elastomeric sealant? Which TotalBoat epoxy is best for my project? Can I sand TotalBoat Seal or apply paint over it? Comments 0 comments Please sign in to leave a comment.