1 Gal. Slate Gray Self-Priming 1-Part Epoxy Satin Interior/Exterior Concrete and por | 18 Jul 2026Slate Gray Self-Priming 1-Part Epoxy Satin Interior/Exterior Concrete and Garage Floor Paint. Color/Finish Slate Gray/Satin. Epoxy Type 1 Part Epoxy. Base Material Epoxy. Substrate/Surface Material Use Brick,Concrete,Stone.