Bay Foam, located in Hayward, Calif., designs, fabricates and manufactures wall systems for residential and commercial purposes. It offers various exterior wall systems, including old-world wall finishes, architecture and contemporary styles. The company specializes in plaster and stonework finishes. It provides services for entries, window and door surrounds, eave trims and corrections, corbels, medallions, columns and decks. Bay Foam is a part of the BayStone Group, which also operates other companies, including Western Wall and BayStone. Bay Foam also provides themed wall construction services for residential and commercial purposes. It utilizes full-auto computer-aided designs for the desig and construction of exterior walls. Bay Foam provides various elements for use with concrete, gypsum and plaster