Today, glass tiles are made with various production methods and surface treatments. Below are some slideshow overviews of these processes.

Main production methods

Flat glass heated to high temperatures and fused to a color backing or sandiched with other layers of glass
[see slides]

Color and glass combined and heated to high temperatures
[see slides]

Glass and cement amalgam fired at high temperatures
[see slides]

Pieces of glass set in a refractory molding and fired with color
[see slides]

 
Surface Treatments