New answers tagged backsplash
With travertine you should be using thinset to apply it to the wall. You don't really need to grout - I have seen it done either way travertine. If you don't grout then make sure you use a darker grey thinset as it cures into more of a mortar look and also make sure that the thinset isn't squirting up out of your tiles. So there is a little cleanup to do ...
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