Zinsser 320991-2PK B-I-N Shellac-Base Primer, Gallon, White, 2 Pack

Use to prime wide range of interior surfaces as well as for exterior spot priming Shellac-based formula fully seals deep stains and odors and can be used on knots and sap streaks Dries to the touch in 20 minutes, can be top coated in 45 minutes and covers approximately 500 sq. ft. per gallon Sticks to most surfaces without sanding for exception paint adhesion Works as a strong, smooth primer for any top coating