Pre-Kote® is a unique V.O.C. compliant, single package, undercoater for use with Brightside® Polyurethane, Yacht Enamels or any one-part topside finish. Microspheres give Pre-Kote® superior build and hide while improving flow and sandability. Use anywhere above the true waterline where a coating is needed to provide a smooth, fair surface for overcoating with a topside enamel. Available in both White (4279) and Gray (4280). The use of Pre-Kote® Gray 4280 is recommended for use under dark colors. White (4279) and Gray (4280) may be blended for use under intermediate colors