System Three 1400K42 Silvertip QuikFair Kit, 1.5 Quarts, Tan Use QuikFair on both fiberglass and wood-epoxy boats above or below the waterline QuikFair' s buttery consistency makes it easy to measure by weight or volume To ensure good adhesion, always sand QuikFair before applying additional coats of putty, resin, or other coatings/finishes For best results, apply at 50 deg. F or above