Marine Adhesive Sealant 5200 Fast Cure, 10 oz White — Permanent Watertight Bond Above & Below Waterline, UV Resistant Marine Caulk for Boats, Hulls, Decks & Fittings by Berkland, American Owned

Customers find the marine adhesive sealant effective, noting it cures well overnight and provides a long-term permanent seal. The product holds up beautifully for 6 months and dries in 24 hours, offering great value for money. While many find it easy to work with, opinions about its flexibility are mixed, with some describing it as flexible while others find it hard as a rock.