Zinsser B-I-N®, developed in 1946, is the original shellac-based primer-sealer stain-blocker. It is formulated to seal, prime and block out tough stains on previously painted or new work. Any oil or latex paint can be applied over it.
- Blocks stains from water, smoke, fire damage
- Seals knots and sap streaks
- Blocks odours permanently and completely
- Lightning fast dry - recoat in 45 minutes
- Works under or over any topcoat
- Interior and spot exterior use
- 369g spray