Published at Sunday, May 19th, 2019 - 11:38:24 AM. Porcelain Tile. By Harrietta Metayer.
First off porcelain is a much denser tile than ceramic and less likely to chip. Also it's absorption rate is less, which makes it frost resistant and suitable for both indoor and outdoor installations.* But if a glazed porcelain tile chips, you will see the porcelain. In many cases buying a porcelain tile for a residential product is overdoing it and a ceramic tile will do just fine for your project. Every tile, ceramic or porcelain, has a PEI rating. The PEI rating should be the determining factor in making your final decision, not whether the tile is ceramic or porcelain. The PEI rating will tell us how resistant a tile is to chipping or scratching. Below are the PEI ratings and the recommended use for each rating.
Glazed porcelain tiles are coated with liquid glass, and then baked so that the protection is impervious to wear and tear as well as stains. Unglazed tiles do not have a coated surface, and full body porcelain tiles don't show wear anyhow due to the colour and design being throughout the entire tile. These types of tiles have a PEI rating of 0-5 meaning they can be used in any area. PEI classes are 0 through 5. The porcelain enamel institute scale is one that is used to help detect areas that tiles should be used in. The glazed tiles that have the overall 0 to 5 rating can be used anywhere from no foot traffic to industrial traffic, making them ideal for use in your home.
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