Zinsser COVERS UP Ceiling Paint and Primer in One extends the life of stained or dingy ceilings. This ultra-convenient product features a vertical aerosol spray that kills stains and touches up ceiling paint in a single, smooth, even blast. Stain-blocking interior primer and sealer dries to a smooth white finish. Features Ideal for treating common overhead stains from smoke and moisture Fast drying formula offers exceptional hiding ability Flat white finish matches most ceiling tiles and won't yellow over time Low odor formula for use in all interior applications May be used as a primer or primer/finish Great for use under or over any latex or oil-based paint