Thomas Jefferson Memorial

Thomas Jefferson Memorial

Roof and Portico Restoration

The project scope included the restoration of the memorial’s portico roof and ceiling. Grunley replaced roof systems along the colonnade and upper roof and performed the associated repairs to the stone along the architrave. Work included the repair of leaking Portico roof tile, pediment stone and waterproofing system; replacement of damaged and missing stone coffers/beams of the portico ceiling; creation of access to the Portico attic space; re-grouting and cleaning all stone surfaces.

Project Details

Client:U.S. National Park Service

Location:Washington, D.C.


Contract TypesRenovation, Restoration

Completion DateJanuary 7, 2022

Amount$14.7 million

Contract MethodGeneral Contracting

Architects GWWO, Inc.

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