Services - Types of Ceramic Tile

Ceramic tiles are thin slabs that are generally used to surface floors and walls.

They are made from clay composites and other inorganic materials, that are ground and/or slipped, moulded and subsequently dried and fired at adequate temperatures to make them aquire the required properties in a stable way.

Ceramic tiles may be unglazed (UGL) or glazed (GL). UNglazed tiles undergo a snigle firing; glazed tiles have a vitreous coat applied between the first and second firing (double firing) or before the only firing (single firing).

The following names and descriptions take into account the objective criteria that may be used, such as technical information, duty or other, as well as most commonly used commercial terms. However, no standardized nor generally accepted definitions and denominations are available for the different types fo ceramic tiles, for which reason it may be necessary to elaborate when using the names suggested, especially in cases where it is indicated.

The following include descriptions of several types of ceramic tiles, with information on their characteristics, most frequest use, production, appearance, standardized classification, etc.

Type of Tile Body Moulding Standard Measurement (cm) Thickness (mm) Glaze Group Standard ISO 13006
UNE 67-087
Tile Porous Pressed 10 x0 10 to 45 x 60 <10 Yes BIII
Stoneware floor tile Non-Porous Pressed 10 x 10 to 60 x 60 >8 Yes BIb-BIIa
Porcelain stoneware Non-Porous Pressed 15 x 15 to 60 x 60 >8 No BIa
Catalonian floor tile Porous Extruded 13 x 13 to 24 x 40 <8 No AIIb-AIII
Rustic stoneware Non-Porous Extruded 11.5 x 11.5 to 37 x 37 >10 No-Yes AI-AIIa
Earthenware Porous Extruded Wide Variety >10 No AIIb2a-AIII