A “Mexican Tile” is a type of terra cotta (terracotta) tile, however, it has its own unique characteristics that requires another special page.  You might want to review that page also.

This page is specific for the non-Mexico made terra cotta tile (from Brazil, France, etc.) and these have different and specific requirements.

See below for ways to identify these “terracotta” tile from “Mexican” tile.

If your tile has been sealed by the supplier – it is a different tile.  See the “Factory Sealed Surfaces” page instead.