Zinsser Cover Stain Oil Based White Interior/Exterior Primer and Sealer sticks to any surface and can be used under and over oil and latex topcoats. It features an oil-based formula that seals stains from water, smoke, fire, nicotine and tannin bleed. Excellent stain killer and bond coat, dries to the touch in just 30 minutes.
 
Ideal for interior or exterior use such as sealing exterior wood and blocking tanning bleed
Covers up to 400 sq. ft. per gallon
Flat/matte finish
High hiding all surface primer hides dark colors and seals most interior and exterior stains
Oil-based formula provides excellent adhesion to all surfaces without sanding
Ensures longer life of top coats
Fast-drying oil-based formula provides exceptional stain killing power, hides dark colors and blocks stubborn stains from water, smoke and more
Dries to touch in 30 minutes
Clean up spills and drips with a rag soaked in mineral spirits