Tough, clear, 100% silicone sealant. Gorilla sealant is great for kitchen, bath, window, doors, auto, marine, plumbing, gutters and more! Ready for water exposure in just 30 minutes. The clear silicone sealant and won't yellow, shrink or crack over time! Directions: all surfaces should be clean and free of dirt, grease, oil and old sealant. Best if used above 40F. Cut tip to desired bead size. Apply sealant with a caulking gun. Smooth bead immediately after application, before a skin forms. Store in cool, dry location. Clean-up: wipe wet sealant off project immediately with a dry cloth. Isopropyl alcohol may be used according to solvent manufacturer’s instructions. Click on the Gorilla link at the top of this page to see other quality products from the Gorilla glue company.