Our finest exterior oil-based primer for use on exterior wood, manufactured siding, rough-sawn siding and trim. It provides excellent adhesion, resistance to mildew, resistance to the staining of redwood and cedar, and good flexibility. Creates a smooth base for latex or alkyd topcoats. Dries to touch in 2 to 4 hours and to recoat in 24 hours. Color: White. Covers approximately 400 sq. ft. per gallon and can be applied with brush, roller, or spray. (May be thinned with up to 1 pint mineral spirits per gallon for spray application). Clean tools with paint thinner or mineral spirits. White.