From what is a movement joint made.
Floor ceramic tile expansion joint.
Ceramic porcelain and stone tile expands and contracts with thermal and moisture changes in the environment.
It s quite common to see controlled breaks in concrete and those are usually expansion joints.
It allows for movement in the tile.
Movement joints are filled with material that allows for contraction and expansion.
Available in clear bronze finish.
A movement joint is in the tile only.
Height to match tile stone or wood thickness.
Learn all about expansion joints here.
In two places the tile was tented to the point where i could put my hands one on top of the other underneath the tented tiles.
An expansion joint is in the substrate for instance in concrete.
Install the caulk after the tiles have been set and before the grout is installed.
An unqualified installer who was a sub to a sub to a sub put the tile in and he did not install any expansion joints within the body of the tile or around the perimeter.
For floor applications urethane neoprene or polysulfide are most often used in traffic areas and silicone sometimes where traffic is not a concern.
If the ceramic tile floor is wider or longer than 25 feet you will need to install an expansion joint near the center of the floor.
Caulk the grout gap between two adjacent rows of tile all the way across the floor.