Chicago, IL – Building Blocks works with Mark 1 Restoration to furnish the facade materials for the National Building restoration. Originally it was also known as the City National Bank Building. The twenty-story Daniel Burnham designed building is located at 125 S Clark in Chicago. It is under redevelopment by Blue Star Properties. Specifically, they are reworking the historic building into high-end commercial office space. In addition, the updated building features Revival Food Hall. Klein & Hoffman is the engineer of record for the project.