Ameripolish® Classic Dyes were originally designed specifically for polished and exposed concrete, the Ameripolish® Classic Dyes penetrate into the surface of the concrete slab for extremley long-lasting color that will not wear from daily usage. Classic Dyes can be used as a base color or touch up for concrete that has received integral color, dry shake hardeners, acid stains or even layered to create a truly unique, mottled effect.