Alright DIYers and pros, listen up - this Rust-Oleum B-I-N Advanced Synthetic Shellac Primer is seriously powerful stuff. We're talking about a 5-gallon container of pure priming power that tackles the toughest staining problems. Whether you're dealing with water stains, ink, nicotine, or tannin bleeding from knots, this primer blocks them like a champ. The synthetic shellac formula means it dries crazy fast and has much lower odor than traditional shellac primers. It creates this bright white base that provides excellent hide and adhesion for your top coats. I've used this on everything from fire and water restoration projects to new construction and remodeling jobs. It seals knots, sap, and other problem areas that would normally bleed through regular primers. The coverage is impressive, and it sands beautifully once dry. What's really great is how it works on both interior whole-surface priming and exterior spot priming. The advanced formula gives you all the benefits of traditional shellac without the strong odor and cleanup headaches. If you've got stubborn stains that other primers can't handle, this is your solution. Just make sure you have proper ventilation and use synthetic brushes for easy cleanup. This 5-gallon size is perfect for larger projects or if you do this kind of work regularly. Trust me, this primer will save you from callbacks and do-overs.
Free 30-day returns 
Free 30-day returns
