Install a cement backer board over the surface you are tiling. Cement backer board is sturdier than drywall, and will also smooth out an uneven surface. Attach the backer board to the surface with flat head masonry screws.

Granite floor tiles are an elegant and durable addition to any home. Granite is harder and more durable than marble or limestone, but still brings the look and beauty of natural stone to an area. While granite is extremely dense, it can be damaged by repeated exposure to dirt, spills and stains. To help protect the stone, and give you time to wipe these substances up, seal granite floor tiles on a yearly basis.