Method for installation of a tile assembly

A do-it-yourself kit assembly and installation method for mounting a tile assembly to a predetermined support surface, such as a kitchen backsplash. The kit assembly includes the tile assembly comprised of one or more tile sheets as well as all of the installation materials and installation tools required to accomplish the do-it-yourself installation in a timely manner. Each tile sheet includes a plurality of fixed tile pieces, which may comprise glass mosaic tiles, and a self-adherent adhesive layer, which facilitates the mounting of the tile sheets to virtually any kind of surface. A ready-to-use grout supply makes it easy to apply the optimal quantity of grout onto the mounted tile sheet(s), wherein the installation materials and tools are cooperatively provided to facilitate the installation method.