Unsealed Saltillo tile is referred to as “Raw” or Terracotta tile.  It may contain efflorescence on the surface. Rustico’s sealed Saltillo tile comes with 5 coats of penetrating sealer applied to the clay. The tile is ready to install. Topcoat sealer is recommended after installation is complete to ensure proper sealing of the floor and to reduce maintenance. Learn More → Why You Should Buy Sealed Saltillo Tile Watch this short YouTube video to see the difference between Sealed and Unsealed Saltillo Tile.