The unquestioned leader in driving
Window Wall technology.

After engineering and manufacturing millions of square feet of our Window Wall, Oldcastle BuildingEnvelope® is an unquestioned leader in driving window wall technology.

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So why choose us as your window wall supplier?

Exclusive designs and technological advancements, like our exclusive energy and performance calculations, visualization and full-scale mock- ups, set the industry standard. Our unique ability to offer both custom- engineered and standard solutions is unparalleled in our industry. Many of the nation’s finest hotels, luxury high-rises and numerous landmark properties feature our window walls.
Custom-engineering: Unlike traditional window wall manufacturers, we can start with a clean sheet of paper. Our custom window walls integrate seemlessly with Entrances, Storefronts and Architectural Windows in order to meet the expectations of designers, architects and building owners.
Architectural Glass: Oldcastle BuildingEnvelope® can provide a fully-glazed system from one source. We are the only curtain wall manufacturer that can design, manufacture, manage and deliver custom-engineered window walls with fully-integrated architectural glass all from one source.
Testing: Our exclusive computer design and analysis software applications allow us to test, simulate and fully develop custom-engineered designs. And since we also supply architectural glass we have the unique ability to test our designs as one system.
ICR 225

Resources & Tools


OBE Academy

Sharpen your skills, master the changing market, and learn the foundational techniques for success in your role with on-demand, AIA-approved continuing education courses.

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Compare thermal performance for complete architectural glass and metal systems using glass products or COG. Measure U-factor, download LEED documentation, and more!

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