How to Protect 20,000 sq ft of Concrete
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Protecting a Los Angeles Landmark
Located in downtown Los Angeles, City Hall serves as the center of the civic district and houses the Office of the Mayor. Over the decades, the building has appeared in numerous films and television productions and continues to serve as a backdrop for major public announcements and civic events.
Historic Conservation and Preservation
During the summer of 2020, City Hall became a frequent target of graffiti vandalism while a permanent protest encampment occupied nearby Grand Park.
Following extensive cleaning efforts and evaluation with the assistance of conservation experts, a long-term protection strategy was developed to help preserve the building's historic surfaces while simplifying future maintenance.
Selecting a Protection System
The project required a solution that would help protect the building without altering the appearance of its historic materials.
For vertical surfaces susceptible to vandalism, 4G Surface Guard Walls and World's Best Graffiti Coating were specified.
For horizontal surfaces including stairs, landings, and paved courtyards, 4G Surface Guard Floors was selected to assist with the removal of graffiti and grime while maintaining the slip-resistant characteristics of the surface.
Preserving the Natural Appearance of Granite
A key requirement of the project was preserving the appearance of the natural granite walls and columns.
These products were chosen with a mandate of ensuring the natural granite walls and columns are unaffected in appearance and that allow further graffiti removal be done without damage or potential shadows.
