Oldcastle BuildingEnvelope
Wholesale Building MaterialsTexas, United States1001-5000 Employees
Oldcastle BuildingEnvelope is a wholesale building materials company focused on architectural glass, glazing systems, and aluminum framing, along with branded hardware and glazing supplies. It operates as a vertically integrated manufacturer, fabricator, and distributor across North America, with facilities in multiple countries and a broad footprint in major markets. Headquartered in Dallas, Texas, the company emphasizes products designed for glazing and façade applications. Its customer base includes architects, glaziers, contractors, and developers working on residential and commercial construction projects. The company functions within the wholesale building materials industry as a substantial provider of architectural glass, glazing systems, and related hardware across a wide geographic footprint. In 2026, Oldcastle BuildingEnvelope introduced the Relianceä-TC SS thermal-control curtain wall system, reflecting ongoing product development to address energy-performance requirements.