What is ceramic tile?
Ceramic tile is a fired ceramic surface material made from minerals, with a glazed or unglazed face. Common ingredients include ball clay, feldspar, kaolin and bentonite.
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What is Ceramic Tile Made Of?
Ceramic tile commonly contains ball clay, feldspar, kaolin and bentonite. Why Tile explains that these minerals play different roles: ball clay helps the unfired shape hold together, while feldspar helps the ingredients melt and bond during firing. “Ceramic tile is most commonly composed of Ball Clay, Feldspar, Kaolin, and Bentonite.” Source: Why Tile, read 2026-10-31.
How is ceramic tile defined by Why Tile?
Why Tile defines ceramic tile by its fired ceramic surface, which may be glazed or unglazed. Its definition ties firing to the finished material’s characteristics; different ceramic tile subsets are produced differently and may suit different applications. “A ceramic surface component, glazed or unglazed, is fired at a temperature sufficiently high to produce specific, desirable characteristics and properties.” Source: Why Tile, read 2026-10-31.
Can ceramic tile be used outside?
Ceramic tile can be used outside when the particular tile is rated for that application and the installation follows the relevant methods. TCNA discusses ASTM C-1026 and ASTM C-373, but also warns that standing water and ice can damage even frost-resistant tiles. “Many manufacturers apply more stringent requirements to their internal tests before they recommend a tile for exterior applications.” Source: Tile Council of North America, read 2026-10-31.
What is reflective cracking?
Reflective cracking is a crack in the tile layer associated with cracking in the concrete underneath it. TCNA explains that a tile surface attached to concrete can carry through movement from its concrete base; the visible crack alone does not establish the exact cause. “Whenever tile is bonded to concrete, cracks occurring in the concrete can cause cracks in the tile layer – this is often called “reflective cracking.”” Source: Tile Council of North America, read 2026-10-31. “Whenever tile is bonded to concrete, movement in the concrete will cause cracks to occur in the tile layer.” Source: Tile Council of North America, read 2026-10-31.
What causes tile to tent?
Tenting means tile has heaved up from the floor, sometimes with cracking. TCNA identifies insufficient movement joints as a frequent sign associated with this behavior and explains that curing concrete can put the tile layer under compression. “Tile heaved off the floor, or tented, and sometimes cracked is often a sign that movement joints were not used sufficiently.” Source: Tile Council of North America, read 2026-10-31.
Sources
- Ceramic tile family — Why Tile; read 2026-10-31.
- What is Ceramic Tile Made Of? — Why Tile; read 2026-10-31.
- Frost Resistance — Tile Council of North America; read 2026-10-31.
- Cracked Tile — Tile Council of North America; read 2026-10-31.
- Tenting — Tile Council of North America; read 2026-10-31.