Gallon, White, Block Out Primer/Sealer, Exterior 100% Acrylic Latex Primer For Use Over Wood, Masonry, & Previous Painted Surfaces, Blocks Tannin Stains, Low Odor Low VOC, Strongly Bonds To Hard Glossy Surfaces, Levels To A Smooth Film, Cures In Low Temperatures, Soap & Water Clean Up, Do Not Apply When Surface Or Air Temperature Is Below 35 Degrees, Tack Free 30 Minutes, Re-Coat 4 Hours, Coverage 300-400 SQFT Per Gallon.