The industry still has room to expand in terms of production. As we've noted in our pages, industry leaders feel momentum behind factory-built housing, but it will only pick up speed once the industry scales up and bends the cost curve. “The demand definitely exceeds the supply,” says Robby Kullman of Capsys, which assembles modular structures inside a 75,000-square-foot factory at the Brooklyn Navy Yard.  Photo 6 of 6 in 5 Things You Should Know About Modern Prefab Construction