Hi Tech Resin Rich Marble and Stone Epoxy Flooring Products. Our trowel down system has been used on coast guard ships, military bases, hospitals, hotels and numerious other job through out the U.S. since 1977. City Epoxy prides itself on the training of its installers, because your floor is only as good as the installation. Our product can be applied over almost any substrate, and comes in a rainbow of colors with custom colors available.