PEI stands for the Porcelain Enamel Institute rating, which measures how much wear a tile can handle. It’s mainly used for floor tiles - ratings from PEI 3 to 5 indicate good durability and suitability for everyday use in homes.
PEI stands for the Porcelain Enamel Institute rating, which measures how much wear a tile can handle. It’s mainly used for floor tiles - ratings from PEI 3 to 5 indicate good durability and suitability for everyday use in homes.