Glazed porcelain stoneware: the rare variant

In order to maintain the positive material properties, porcelain stoneware tiles are almost always unglazed. For optical reasons, however, in recent years there has been a repeated transition to offering glazed models. You can find out here what effects this has on the properties and where you can get glazed stoneware tiles.

Porcelain stoneware - glazed is rare

Unglazed porcelain stoneware has some special properties compared to glazed tiles.

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  • its enormous hardness, which even surpasses diamond
  • the surface, which is completely insensitive to mechanical loads
  • the frost resistance that glazed tiles usually do not have
  • unglazed FSZ is almost always highly abrasion-resistant and non-slip, while glazed tiles can have different properties.

For optical reasons, porcelain stoneware is sometimes glazed, but it loses a part of the special features that make it superior otherwise conventional glazed tiles.

So you should always consider what you move to your decision - and whether you are ready to take the resulting disadvantages in this case really. The lower non-slip life is already worth a serious consideration.

If you still want to have the glazed variant of porcelain stoneware tiles or plates, you usually have to look for a little longer - and contact the professional tile retailer. Such as companies like Kerana.DE, or

So you can save costs

For products that are rarely asked how glazed FSZ tiles, prices are almost always higher than comparable variants. You should therefore always consider whether you shouldn't use unglazed tiles, possibly with a polished surface.

Tips & Tricks Abrasion resistance and slip resistance are actually not an issue for unglazed tiles - but there are also quality differences here. Be sure to ask before buying. Some tile models also have special surfaces that make them particularly non-slip.