Kerkstra Precast, Inc. is a PCI certified precast-prestressed concrete producer. Kerkstra produces superior precast/prestressed concrete products, including solid and insulated sandwich wall panels, hollowcore and solid floor plank, balconies, beams, columns, truss systems, highway sound walls, FHA J hook median barriers, manholes, septic tanks, ADS Pipe, as well as custom specialty precast products to meet the increasing demands from the construction industry. These products are used in many different applications - industrial, commercial, retail, educational, office, institutional, recreational, and residential. Produced at two locations, Jenison and Grandville, Michigan, these manufacturing facilities are equipped with the most state of the art equipment in the industry today.