I’ve heard that epoxy grout is better for some types of tile installations. But I’ve also heard that it’s expensive and difficult to work with. Assuming all of these claims are true, when is it best to use epoxy grout, and what are the keys to working with it?

A.Michael Byrne, a veteran tile installer and consultant and the moderator of JLC’s ceramic tile forum, responds: In my experience, regular and latex-cement grouts can be relatively trouble-free — even in harsh environments — if they are used correctly.

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