EPIFANES POLYURETHANE TOPCOAT. This is Epifanes' hardest, toughest, longest lasting, two-component polyester saturated aliphatic urethane finish. It comes in 22 ultra high gloss colors. It's an excellent finishing coat for fiberglass, steel, aluminum and wood. For use on all epoxy primed substrates or direct application on painted wood or thoroughly cleaned and degreased fiberglass surfaces above the waterline. The outstanding characteristics make this two-component top-coat highly suitable for brush, roll, and spray application. Hard dry in 8 hours at 65 deg. F and recoatable in 24 hours.