AS-210 is a clear 100% acrylic elastomeric roof primer and sealer of constant flexibility for crack resistance. This primer and sealer penetrates and waterproofs concrete to stop leaks thoroughly. The product also protects exposed architectural concrete, aggregate sidewalks and ornamental stone. May be applied with roller, brush, squeegee or sprayer Covers approximately 350 sq. ft. per gallon (1,750 sq. ft. per pail) For previously coated roofs, concrete/masonry, metal, rubberized asphalt, rubberized mastic, trailers, RVs, and wood Dry to touch: 30 minutes; Dry to recoat: 4 hours Dimensions Product Depth (in.) 12 in Product Height (in.) 12.75 Product Weight (gal) 5 gal Product Width (in.) 12 in Details Application Method Brush On, Roll On, Spray On Coating Base Acrylic Cold Applied Non Cold Applied Features Paintable, Quick Dry, Waterproof Returnable 30-Day Roof Repair Type Roof Sealant Roofing Product Type Primer Surface Recommended Concrete Roofs, Concrete/Masonry