"The plant is to be running before year's end. At first, the company will make only 'facing brick,' used on the outside of buildings, a $2 billion annual U.S. market. It plans to branch out into paving stones, roofing tile and other brick markets."
Roofing tile was something I hadn't considered, though. That could be huge.
These are non-load-bearing purely-decorative bricks. What does your intuition tell you is a good ballpark for the ratio of "load-bearing" bricks to "decorative" bricks?