Not recommended. Concrete epoxy coatings need something hard and porous like concrete to stick. At Dreamcoat Flooring, our professionals will take off the tile, old coating, and even out the concrete in order to make the epoxy long lasting. Our team is licensed and certified to handle the work involved! There is a reason that we have repeat customers all over the Valley - in Scottsdale, Phoenix, Paradise Valley, Fountain Hills ,Tempe, Chandler, Gilbert, Mesa, Glendale, Peoria, Sun City, Avondale, Maricopa, and more.