Zinsser BIN Shellac-Based Ultimate Stain Blocker Spray Paint Primer, 369g

Blocking tough stains such as water marks, smoke damage, nicotine, ink, crayon, and tannin bleed. Sealing odors from smoke, pets, and mildew. Priming difficult surfaces without extensive sanding. Spot-priming knots and sap streaks in wood. Shellac-based formula (stronger stain blocking than most water-based primers). Dries very quickly and can typically be recoated in about 45 minutes. Suitable for interior use and limited exterior spot priming. Adheres to wood, drywall, plaster, metal, masonry, glass, and many previously painted surfaces