How long is the shelf life for TotalBoat Seal? Eric Boudreau April 01, 2022 14:55 Updated The shelf life for TotalBoat Seal is 36 months, if stored tightly sealed at an ambient temperature of 70°F. Related articles Does TotalBoat Seal require a primer before application? What is the cure time for TotalBoat Seal elastomeric sealant? Caulking and Marine Sealant Coverage Chart Is TotalBoat Seal a silicone, polyurethane, or polysulfide sealant? Is TotalBoat Seal an acceptable sealant for teak joints and deck seams? Comments 0 comments Article is closed for comments.