Duluth City Hall Gets “Deep Clean” with Sponge Media
Duluth City Architect, Tari Rayala chose Sponge-Jet as the solution to clean the Duluth City Hall’s high profile, travertine limestone interior walls. Nearly a century of cigarette smoke, “dirtier forms of heating” and oils from visitors bumping the walls, left obscured the creamy fresh look that the stone can deliver.
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