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Oldcastle Building Envelope

Oldcastle Building Envelope

The leading supplier of value-added, glazing-focused, interior and exterior products and services.

1-631-232-8600 Website

Our team of experts help architects, glaziers, contractors and owners solve design challenges and bring projects to life. We design, engineer, test and manufacture solutions in engineered curtain wall, storefronts and entrances, architectural glass, shower enclosures, glazing hardware, windows, railings and more.


We offer the most comprehensive collection of glazing-focused interior and exterior products and services in the industry.