Zinsser Stain Block Ceiling Spray, 13 oz. is a versatile ceiling paint and primer in one spray that effectively blocks stains and provides a smooth, bright white finish. This spray is specially formulated to seal water stains and other household blemishes, making it i for quick touch-ups on new, primed, or previously painted ceilings. It works well on a variety of surfaces including drywall, plaster, wood, textured or popcorn acoustic ceilings, and painted metal. Designed for ease of use, the spray applies vertically and dries to the touch in just 30 minutes, with a wait time of at least 2 hours before recoating or applying a topcoat. The finish is non-yellowing, mold and mildew resistant, and matches the flat bright white look of Zinsser Ceiling Paint and Primer in One applied by brush or roller. Each 13 oz. can covers up to 15 square feet and cleanup is simple with mineral spirits. Model Number: