Oldcastle Glass, located in Houston, is one of more than 40 Oldcastle Glass branch offices located throughout the United States and Canada. Oldcastle Glass provides the architectural and glazing communities with a comprehensive range of architectural glass products and services, including heat-treated glass, structural glass, laminated glass, insulating glass and silk-screened glass. Architectural installations in North America that feature Oldcastle Glass include the Getty Center, the William J. Clinton Presidential Library, The Hawaii Convention Center and Santiago Calatrava s Sundial Bridge in Redding, Calif. Oldcastle Glass is a subsidiary of CRH plc, a leading international building materials and products company based in Dublin, Ireland.