As the original shellac primer/sealer, nearly nothing is better at sealing porous materials while permanently covering and blocking wood knots, sap streaks, graffiti and a wide variety of stains as well as almost every kind of odor. Though designed specifically for indoor application, it's also capable of spot priming certain exterior surfaces (see product packaging for more details).

• The original shellac primer/sealer—trusted for decades.
• High-hiding formula covers even the most stubborn and persistent stains.
• Seals porous surfaces with excellent enamel holdout.
• Permanently blocks most every kind of odor.
• Excellent adhesion to all, even glossy, surfaces—no scuff sanding required.
• Dried film is non-toxic and hypo-allergenic.
• Can be applied in freezing temperatures.