Cornerstone’s security hollow metal windows and doors are built for facilities where strength, durability, and controlled access are essential. Designed for demanding correctional, detention, institutional, and other high-security environments, these assemblies provide a robust barrier while supporting the functional and architectural requirements of each space.
Cornerstone provides security hollow metal doors engineered for demanding correctional, detention, institutional, and other high-security applications. Built for strength, durability, and reliable performance, our door systems are designed to withstand heavy use while supporting controlled access and facility security requirements. We coordinate doors, frames, hardware, glazing, and surrounding construction to help ensure accurate fit, dependable operation, and long-term service in secure environments.
Cornerstone’s security hollow metal windows are designed to provide visibility, durability, and protection in areas where security is critical. Our capabilities include individual security windows, window walls, glazed assemblies, and related hollow metal framing systems that can be integrated with partitions, wall panels, and other secure construction. Each system is fabricated and installed with close attention to project requirements, helping create secure openings that deliver lasting performance and a clean, professional appearance.
