County Prestress supplied 274 insulated sandwich wall panels to Subaru of Indiana Automotive, to construct a large material storage facility at the company's main manufacturing plant in Lafayette, Indiana. Practical and cost-effective, insulated sandwich walls are a structural, load-bearing building envelope system that's efficient to install. Made of high-quality prestressed concrete, County Prestress' Insulated Sandwich Walls are ideal for large-scale projects such as the Subaru storage facility, which was erected in 14 days.