KILZ 2 Multi-Surface Stain Blocking Interior/Exterior Latex Primer/Sealer, White, 1-gallon A good primer makes paint stick better to surfaces, makes paint color truer, and lets you use less paint. KILZ 2 blocks mild to medium stains, hides previous colors, and has a mildew resistant film. KILZ 2 Latex blocks mild to medium staining from water, grease, ink, pencil and felt marker and is ideal to hide previous colors. It seals porous surfaces and offers strong adhesion for new paint. Use this versatile primer-sealer-stainblocker on interior/exterior surfaces including brick, painted metal, properly prepared glossy surfaces, drywall, paneling, stucco, masonry, plaster and wood. Use for interior/exterior walls or ceilings with mild to medium stains. Top coat with latex or oil-base paints. For tougher interior/exterior jobs, consider KILZ Premium primer. This is a 1-gallon can of KILZ 2 Latex Water-Based Primer, Sealer, and Stainblocker for interior and exterior surfaces in white. Covers approximately 300-400 square feet per gallon. Use on properly prepared surfaces free of dust, grease, chalk, mold, rust and peeling paint. Mix well before using. Apply with brush, roller, or spray. KILZ 2 dries to touch within 30 minutes and ready to recoat in an hour. KILZ has been making premium primers and paints for 40 years. KILZ was named Paint Brand of the Year in 2015 in the Harris Poll EquiTrend Rankings.