Toyota wants to salute do-gooders by giving 100 cars over 100 days to organizations that could really use a new set of wheels. And voters like you decide who gets a new ride every day.
PEI is the abbreviation for Porcelain Enamel Institute. A PEI Rating is given to a tile product based the hardness of its glaze. This hardness is determined by the manufacturer using a standardized test.
1 View our tile label information PDF for additional information.  Make sure the PEI rating, or Porcelain Enamel Institute wear and break rating, is at least a 4. A rating of 4 or higher ensures your tile is suitable for all residential uses.