U.S. Chamber of Commerce

U.S. Chamber of Commerce

Exterior Renovation

Grunley renovated the historic headquarters building’s exterior envelope by cleaning and repointing all limestone and brick facades; waterproofing the balustrade, stylobate, pediments, and cornices; repairing the brick masonry walls; replacing the plaster clad walls and all roofs except at the paved terrace area on the 7th floor level; infilling several penetrations in the upper roofs with concrete slabs including the ventilation well; repairing, refinishing and sealing all windows including installation of blast resistant window film; replacing façade lighting fixtures to match current systems; installing roof tie-offs at the east and north facades; and adding a green roof and terrace on the main roof level.

Project Details

Client:U.S. Chamber of Commerce

Location:Washington, D.C.


Contract TypeRenovation

Completion DateAugust 1, 2021

Amount$15.7 million

Contract MethodsConstruction Management at Risk

Architect Hartman-Cox

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