Evercoat Formula 27 Filler - 1/2 Pint | For Boats. Polyester filler for reliable dent, ding and gouge repairsQuality water-resistant, extra-white plastic filler for filling dents in wood, fiberglass and metal. Won't sag. Includes hardener. Formulation: White polyester filler Recommended Usage: Fills dents and scrapes in wood, fiberglass, stucco, cement, drywall and some metals Color: White, may be mixed with coloring agent to tint to desired shade Does not shrink after curing Won't crack or pop out White cream hardener included