Since my troubles with the glass tiles the first day, I wanted to postpone my pain as long as I could, and simply installed support bars to help me with all the upper rows, leaving a gap for my glass tiles to be installed later. But now I had to tackle it. So I applied mortar to the band on the wall, back-buttered the glass tiles with a thin layer, laid the tiles on the wall, and used green tape to hold the tiles at the correct level. A trick I used is to use a thin wedge on the...