One of Detroit’s newest preservation success stories stands on the shoulders of some of the city’s most consequential innovators. The former Cadillac Motor Company assembly plant on Amsterdam Street was designed in 1905 by architect George D. Mason in collaboration with engineer Julius Kahn, whose pioneering Kahn Bar reinforcement system transformed the possibilities of industrial construction.
Their use of reinforced concrete in the early 20th Century was nothing short of groundbreaking: it delivered unprecedented fire protection at a time when factory fires were a constant threat; it reduced vibration on production floors; and it enabled the wide‑span, open interiors and expansive windows that defined early modern manufacturing.
This building is widely recognized as the world’s first reinforced‑concrete automobile factory, a prototype that helped propel Detroit’s industrial ascendancy and shaped the architectural language that Albert Kahn and his contemporaries would refine in the decades that followed.
Today, more than a century later, the structure’s adaptive reuse by McIntosh Poris Architects demonstrates how durable that innovation truly was. The project preserves the clarity of Mason and Kahn’s original design while giving the building a new life as housing.
Read the report from The Architect’s Newspaper about the adaptive reuse of Amsterdam Lofts:
McIntosh-Poris-Architects-converts-Detroit-assembly-plant-into-housing
