Graffiti on granite and concrete

Has anyone any knowledge of the use of Protectosil Antigraffiti on
concrete and granite as a graffiti protection?  If not, any
recommendations on what could be used without causing longterm
damage to the concrete or granite?

Donovan Michael Gray
Preservation Planner
State Capitol Campus
Division of Facilities
General Administration
State of Washington
360-902-0969


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                  Conservation DistList Instance 19:37
                 Distributed: Friday, February 17, 2006
                       Message Id: cdl-19-37-014
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