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? Is TotalBoat Seal an acceptable sealant for teak joints and deck seams? Caulking and Marine Sealant Coverage Chart Is TotalBoat Seal a silicone, polyurethane, or polysulfide sealant? Comments 0 comments Article is closed for comments.