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​S.P.I, was established on the premise of delivering the highest quality prestressed products coupled with an unsurpassed dedication to customer service. S.P.I.'s objectives in providing key innovative ideas through the estimating or actual construction phases will avoid the probabilities of unexpected costs and delays. 

Leading Architects, Engineers, General Contractors, Developers, and Builders have relied on this cost effective system for over three decades with proven results. Our Joist and Soffit Beams are the ideal solution for builders/owners who want to achieve hurricane wind load resistance, open spans, fire resistance and attractive designs with one type of structural system. These components are suitable for any low and high rise structures. Highly effective, these concrete units can be installed to accommodate between 10,000 – 20,000 square feet a week. The system is widely used in Parking Garages, Office Buildings, Schools, Industrial Buildings, Hospitals, Residential construction and many other facilities.