Wieser Concrete is hosting Precast Days, presented by the National Precast Concrete Association, to provide a unique educational opportunity to local students, specifiers, engineers, and contractors. Experience a close-up look at precast concrete production at Wieser Concrete. We will open our plant to explain the precast manufacturing process and demonstrate the equipment, technology and engineering expertise that goes into making our products. Participating engineers can earn 1 PDH.