Zinsser B-I-N Primer is the ultimate shellac based primer, sealer, stain killer. It is perfect for use on interior surfaces and spot priming, use on wood, metal, varnished wood and so on. It offers unparalleled adhesion on any surface, without sanding, and has the hiding power to conceal the toughest of stains. The high-adhesion shellac formula seals porous surfaces with excellent enamel holdout, even sealing bleeding knots and sap streaks.

B-I-N works brilliantly on water stains, fungal degradation, nicotine, oil stains, marker pens stains and more. B-I-N permanently blocks every kind of odour. Its dried film is non-toxic and hypo-allergenic. It can be used in areas where incidental contact with food items occur.  

• For interior and spot exterior use
• Most effective stain sealer
• Seals knots and sap streaks
• Seals pet, smoke and musty odours
• Adheres to surfaces without sanding
• Lightning fast dry – recoat in 45 minutes