Rust-Oleum Concrete & Garage Recoat Primer 338806Recoat Primer is an easy to use, revolutionary technology which allows you to coat over previously coated or sealed concrete without having to scuff, sand, or grind the surface. Transform your worn garage or basement floor with any floor coating (including water and solvent base). Simply Clean, Prime, & Coat! 1 Part water based formula and low odor. 400 sq ft per gallon. This Item Cannot be Shipped Internationally.