Best rain chances arrive by Thursday in San Antonio. Pebble tiles provide a unique look. Like most mosaics, they are comprised of lots of small pieces conveniently adhered to a mesh backing material.

Q: I stayed at a rental house that had a pebble shower floor. The rounded pebbles were beautiful, and I loved how they massaged my feet as I showered. I want these pebbles in my own home. How hard is ...