CASE STUDY: MANHOLE REHABILITATION Manholes Rehabilitated with Quadex GeoKrete still looking good after 10 years. Same Manholes originally lined with Polyurea coating failed after one year. Project Details In 2006 an annual inspection of manholes on Butte Des Morts Beach Road in Neenah, WI, revealed a lining failure of more than a dozen manholes that had been rehabilitated with a polyurea coating just one year prior. Extensive flaking and p

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