A worldwide network of dedicated Spancrete® hollowcore professionals, committed to the enhancement and promotion of the superior quality and unsurpassed benefits of precast prestressed concrete components and structural systems. Since 1960, the Spancrete Manufacturers' Association has helped to focus the attention of the construction industry on the most versatile, durable and economical building material ever developed – precast, prestressed concrete. The Association has provided a voice for the precast industry as well as a resource for research, testing, engineering and technological advancements in the manufacturing and use of Spancrete holllowcore and other precast construction components. SMA member companies have installed over a billion square feet of Spancrete precast, prestressed hollowcore plank, beams, columns, wall panels and double tees.