The tiles are placed on steel shelves in an annealing oven that is holding at 930 degrees Fahrenheit. All glass must be cooled slowly and evenly to relieve stress. The length of the annealing cycle is dictated by the thickness of a given piece of glass. The ovens are computer controlled and are programmed to take over 3 days to cool the tiles to room temperature.

Once annealed, the tiles are laid out in the panels design and are siliconed into a steel frame. After one side has cured the panel is flipped over and the back is glued and finished.

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