PROBLEM: A 60-year old 23,000 sq. ft. soft water basin was leeching water into the concrete and dissolving the surface. The previous coal tar epoxy coating had cracked, and failed to seal the water containment system. SOLUTION: The owner selected SPI’s Polyshield™ SS 100 polyurea coating for this project. The basin was hydro-blasted at 6,500 PSI and followed up by the application of a cementitious grout on the seams. The basin was

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