Gallon, super primer, unique, 100 % pure acrylic elastomeric plastic sealant, primer & adhesive for concrete, brick, tile, epdm rubber, stucco, wood, metal, & many hard to stick surfaces, leaves a clear & slightly tacky surface that substantially increases adhesion for Ames' coatings, more powerful than a water repellant, seals against water damage & seepage while penetrating deeply into the surface to strengthen & bind together the molecules of the surface it is applied to, helps stop concrete efflorescence, & blocks most gasses penetrating concrete, mortar, or stucco, easy to use, environmentally friendly, water base, nearly odorless, non-flammable, & voc free, simply brush, roll or spray, clean up with water, can be used as a primer for all of Ames products including super elasto barrier, maximum stretch & safe-t-deck, gallon covers per 200 sqft per coat.