Reflections Mirrored Glass Tiles by GBM Tile. Reflections Glass Tiles offer a reflective shiny or matte finish to achieve eye catching beauty of your home/business. Reflections is suitable for installation on walls and backsplashes. *Please note: Reflections Mirrored Glass Tiles are NOT to be used in wet areas due to the natural silver used in the glass tiles.*ONLY Mirror Mastic or specific Mirror adhesive should be used to install these tiles. Regular thinsets, mastics, and silicons will cause an issue with the back of the tile that is specific to mirrors.