- Blocks stain from water, smoke and fire damage
- Seals knots and sap streaks
- Blocks odours permantely and completely
- Works over or under any topcoat
- Interior use and exterior spot use only
Rust-Oleum B-I-N® is the original shellac-based primer and sealer stain blocker. It is formulated to seal, prime and block out tough stains on previously painted or new work from water, smoke and fire damage. Any oil or latex paint can be applied over it.