A.Michael Byrne, a JLC contributing editor, responds: Your question would be simple to answer if I could refer only to the tile, but given your uncertainty about such a basic issue, I wonder what your thinking is on the other important aspects of the installation? For instance, what do you consider an “appropriate” thinset? And how will you be using the Hardiebacker?

This is one of the most difficult of all tile installations to properly specify and install. First, I would stay away from using any unglazed tile in this area except for the floor, where slip resistance is desired. Unglazed tiles in a steam room may cause maintenance problems because salts tend to build up in such areas; salts are more easily...

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