Porcelain is a form of ceramic flooring which is much stronger, more pure, more dense, and water resistant than it’s ceramic counterpart. Durability levels of porcelain put this tile material in the category with the most robust floor tile options on the market. It’s high density, resistance to significant impact, and solid structure lends itself to common installation in commercial applications. The level of durability porcelain tiling has, puts this material in range of 4-5 PEI rating. This range means its very suitable for high volume foot traffic, or commercial walkways and halls. The stain resistance level of Porcelain is very high. Porcelain floor tile is glazed, and that makes it virtually impossible for stains or discoloration to form on the tile surface.