Projects involving granite substrates are a contractor’s most common kind of masonry restoration. Granite is a beautiful, durable stone used on the interior and exterior of buildings, structures, and monuments.It has a Mohs hardness ratings between six and seven and therefore capable of withstanding the demands of everyday life.
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As part of New York’s Central Park Conservancy project to reconstruct Grand Army Plaza, the William Tecumseh Sherman monument was brought back to life with newly applied 23.75-karat gold leaf. The monument restoration, included as part of the larger Plaza restoration project, called for the removal and reapplication of gold leaf on Augustus St. Gauden’s 1903 masterpiece. The sculptor favored bright, shining monuments, and disdained the look of bronzing as it darkened with age. Unfortunately, with weather wear and time, this was happening to the Sherman monument’s failed gilding.
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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. Premium Plant Services and Sponge-Jet are teaming up to complete the cleaning and restoration of the two story project.
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Sponge Media™ abrasives are again used on a historic vessel for its ability to perform coating removal without damage to the substrate. This time it was on the replica HMB Endeavour and thanks to Sponge-Jet Australian distributor Rezitech Services Pty Ltd the project moved quickly enough to sail the Endeavour in time for the 100th Anniversary of the Royal Australian Navy’s Fleet Review.
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