Since 1966, DiversiFoam Products has been an industry leader with a strong commitment to engineering excellence, competitive pricing, outstanding quality, and customer service. Our wide variety of products can meet any of your insulation, packaging, and OEM needs.

DiversiFoam Products manufactures block-molded expanded polystyrene (EPS) products, as well as extruded boards of polystyrene and fabricated urethane blocks. Most of these products are sold for use in the construction industry (new and retrofit).

DiversiFoam Products, a Minnesota corporation is a manufacturer of expanded and extruded polystyrene. The company operates three plants; two in Rockford, Minnesota and one in Mendota, Illinois. The corporate office is maintained in Rockford, Minnesota.