Star brite Polyurethane 8200 Marine Sealant/Adhesive delivers a premium-grade, 1-part, non-sag polyurethane sealant that offers outstanding performance. Ideal for use above and below the waterline where a permanent bond is needed. Best suited for applications such as joining decks to hulls, joining wood to fiberglass, or for hull seams. Its ultra-strong formula ensures resistance to moisture, water, and UV light. The finish remains permanently flexible with minimal shrinkage. 1-part marine adhesive For joining decks to hull, wood to fiberglass, or for hull seams For use above and below waterline Resistant to moisture, water, and UV light Permanently flexible, minimal shrinkage