3M Marine Premium Filler, quart.

Unique Vinyl Ester Formulation. Use for filling and fairing of fiberglass, wood, aluminum and steel surfaces. Cures fast - sandable in 30 minutes. Use for hulls, decks and other parts. Easy to sand; contains 3M Glass Bubbles. Easy to use pre-mixed formulation; simply add enclosed hardener. For use Above or Below the water line.