PROJECT PORTFOLIO

Old Patent Office

Historical
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Old Patent Office exterior marble, granite and sandstone restoration, Washington DC
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About This Project

Restoration of exterior marble, granite, and sandstone on the historic Old Patent Office building, now home to the Smithsonian American Art Museum and the National Portrait Gallery. This project preserved the neoclassical grandeur of one of Washington's oldest public buildings.

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Whether you're planning a historic restoration, new construction, or monumental installation, our team brings decades of expertise to every project. Let's discuss how we can help.