Oldcastle Building Envelope

Oldcastle BuildingEnvelope® is North America's leading vertically integrated manufacturer, fabricator, and distributor of architectural glass, glazing systems, and hardware and supplies. With over 80 locations across the U.S. and Canada, we serve as the single-source leader in our industry. We partner directly with glaziers, contractors, architects, and building owners to solve complex design challenges. With innovative products, specialized design services, and integrated tools, we simplify construction processes and optimize performance for both interior and exterior applications—from sophisticated curtain walls to custom shower enclosures.

Architectural Glass

Architectural Windows

Curtain Wall

Entrances

Skylights & Sun Controls

Storefronts

Structural Glass

Window Wall

One Source, Seamless Integration

Simplify projects with our single-source glazing solutions. Our integrated portfolio of glass, framing, and hardware ensures seamless compatibility, streamlined installation, and the simplicity of one source.

Architectural Glass

Our fabricated glass solutions, ranging from monolithic to insulating glass units, are designed for seamless integration with our framing systems to meet a wide range of performance and aesthetic criteria.

Architectural Glazing Systems

From curtain wall to architectural windows, and storefronts to skylights, we provide the industry's most comprehensive range of framing systems.

Architectural Hardware & Supplies

CRL is the industry’s leading full-service provider of architectural metals, glass fittings, and professional-grade glazing supplies.