Marine Seal 4200 Wht10Oz

3M Marine Adhesive Sealant Fast Cure 4200FC is a one-component medium-strength moisture-curing gap-filling polyurethane that delivers strong flexible bonds to aluminum wood gelcoat and fiberglass. It forms watertight weather-resistant seals above and below the waterline. In addition its flexibility allows for dissipation of stress caused by shock vibration swelling or shrinking.