This project showcased TTG’s expertise in specialized cleaning techniques and conservation methods for sensitive historical monuments, demonstrating the company’s ability to innovate and exceed client expectations.

Bronze Sculpture Conservation

• Initial cleaning efforts using conventional water methods
• Development and implementation of alternative cleaning techniques using the Sponge-Jet system
• Effective removal of wax and surface contaminants without affecting existing patina
• Bronze repairs, including welding repairs
• Waxing of the bronze sculpture for ongoing protection

Granite Plinth Scope of Services 

• Cleaning and repairs of the granite plinth
• Utilization of Sponge-Jet cleaning system for polished granite surfaces
• Removal of stubborn stains without damaging polished surfaces
• Carving of new inscriptions for the Iraq and Afghanistan conflicts
• Re-gilding of all lettering and the USMC insignia

Innovative Cleaning Approach

• Presentation of alternative cleaning techniques to the National Park Service
• Performance of sample mockups for client approval
• Successful implementation of Sponge-Jet cleaning system, exceeding expectations for both bronze and granite cleaning

This project underscores TTG’s commitment to preserving America’s historical monuments through advanced conservation techniques and innovative cleaning methods. Our successful execution of the U.S. Marine Corps War Memorial conservation project further solidifies TTG’s position as a leader in historical preservation, capable of addressing complex conservation needs while ensuring the longevity and authenticity of significant national monuments.

Key aspects of TTG’s role included:

• Evaluating initial cleaning results and proposing improved methods
• Developing and implementing specialized cleaning techniques for both bronze and polished granite
• Ensuring the preservation of the sculpture’s patina while effectively cleaning the surface
• Managing a project scope that required careful handling of historically significant and sensitive materials
• Exceeding client expectations through innovative problem-solving and meticulous execution

This project restored a valuable piece of American history and contributed to the ongoing cultural and patriotic value of the U.S. Marine Corps War Memorial for visitors and future generations.

Video (U.S. National Park Service) (nps.gov)

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