Zinsser 1 qt. B-I-N Interior/Exterior Primer Sealer

Zinsser B-I-N Shellac-Base Primer is a versatile primer-sealer, stain killer, and bond coat formulated for use on interior ceilings, walls, doors, trim, cabinets, furniture, and related paintable surfaces. It provides exceptional stain blocking performance against water, grease, rust, smoke, asphalt, graffiti, and pet odors. Ideal for blocking sap streaks and severe knots, this primer adheres tightly to dense and glossy surfaces without requiring prior sanding. It offers rapid dry times allowing for quick recoating, making it suitable for interior projects and exterior spot priming applications.