I’m trying to caulk a window on a boat. Gap is ¾ x ¾, Too large for ordinary caulk. Exposed to sun and salt but no pressure. Will Flex Seal work?

Hey there! This sounds like a job for Flex Shot. It mimics traditional caulk but provides the power of Flex Seal. Please allow 24-48 hours for the product to fully cure. Send us questions anytime at humans@flexsealproducts.com. We're always here to help!