Zinsser B-I-N Shellac-Base Primer is a primer-sealer, stain and odor blocker for almost all interior surfaces as well as spot priming for exterior use. Can be used in low temperatures and sticks to any surface without sanding. The primer seals stains from water, smoke and fire damage. It also stops bleeding knots and sap streaks.
- Blocks stains and odors from fire and water damage, and seals stains from rust, sap, tannin, lipstick, creosote, dark colors and more 
- High-hiding formula permanently impedes the toughest stains and odors, including wood knots 
- Dries to the touch in 20 minute and covers up to 500 sq ft 
- Offers a smooth white finish that can be tinted with up to 2 ounces of universal colorant per gallon 
- Durable coating can be used in temperatures below freezing 
- Adheres to all surfaces without sanding 
- Dried film is hypo-allergenic and non-toxic 
- Clean up spills and drips with denatured alcohol