Interlux Pre-Kote is a unique V.O.C. compliant, single package, under coater 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 sand ability. Use anywhere above the true waterline where a coating is needed to provide a smooth, fair surface for over coating 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