The Zinsser B-I-N Primer Sealer and Stain Killer is a top-choice solution for tackling challenging surfaces and stubborn stains with ease. This shellac-based primer is perfect for interior use and spot priming on exteriors, providing exceptional adhesion on glossy surfaces like glass without the need for scuff sanding.

Its powerful formula excels in blocking persistent stains caused by water, nicotine, and ink, while effectively sealing porous surfaces for superb enamel holdout. It also seals knots and sap streaks and blocks odours from smoke, fire, and pets, leaving a non-toxic, hypo-allergenic dried film safe for areas with incidental food contact. Quick to dry, this versatile primer allows recoating in just 45 minutes.

• Size: 1L
• Shellac-based primer for interior & spot exterior use
• High adhesion to glossy surfaces without sanding
• Blocks persistent stains like water, oil & markers
• Seals porous surfaces for excellent enamel holdout
• Permanently blocks odours from smoke, fire & pets
• Non-toxic & hypo-allergenic dried film
• Dries in 15 minutes; recoatable in 45 minutes