The Architect of the Capitol recently completed a multi-year project to completely restore the Dome for the first time since 1959-1960.

The United States Capitol Dome, symbol of American democracy and world-renowned architectural icon, was constructed of cast iron more than 150 years ago.

In Celebration of the U.S. Capitol Dome

The restoration project consisted of repairing more than 1,000 cracks to make the Dome watertight and included the restoration and replacement of cast iron and ornamentation. The exterior paint was removed and new layers were applied to protect the dome from corrosion and effects from the elements. The project required scaffolding around the exterior of the Dome, as well as in the Rotunda.

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Public Notice

Capitol Dome Successfully Restored

This morning, Architect of the Capitol Stephen T. Ayers, FAIA, LEED AP, announced that the first comprehensive restoration of the Capitol Dome in more than half a century is complete. 
Public Notice

Rotunda Reopens to the Public

The Architect of the Capitol is pleased to reopen the U.S. Capitol's Rotunda following the successful completion of its restoration. Tradesmen and experts from historic preservation officers to engineers, craftsmen and painters worked day and night to restore this hallowed space.

Capitol Rotunda Restoration

The restoration of the U.S. Capitol Rotunda will ensure this hallowed space will be enjoyed by generations for years to come. Work includes removing hazardous materials, restoring ironwork, upgrading electrical and mechanical systems, installing new lighting and repainting.

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