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Ensuring Longevity: Recoating Chiller Water Tanks


Optum Technology commissioned TMI Coatings, Inc. (TMI) for its expertise in industrial coating solutions to recoat two of their 6” long x 11’- 6 ½” wide x 6’ high chiller water tanks. The objective was clear: to enhance the longevity of the concrete tanks by applying a new coating that would withstand chemicals used in treating the water.

Project Details:

  • Optum Technology took proactive measures to prepare for TMI’s arrival. The owner ensured access to the tanks by opening the hatch and conducted thorough cleaning, rinsing, and drying to create an optimal surface for recoating.
  • TMI’s crew members are well-trained in confined space procedures, ensuring the work is carried out safely. A hole watch person was present full-time throughout the project to further enhance safety measures.
  • TMI focused on removing existing loose and flaking coatings, ensuring only well-adhered coatings remained on the tanks.
  • Recognizing the importance of protecting the tanks from chemicals, TMI applied a specialized protective coating. This coating is designed to expand and contract, safeguarding the tank lining from cracks or peeling due to environmental changes. Moreover, the coating’s properties also prevent the growth of mold and mildew.


In conclusion, TMI Coatings’ expertise led to the completion of the chiller water tank recoating project. It shows that prioritizing quality, safety, and the proper material for the project ensures that the infrastructure remains resilient and dependable for years.

With over 35 years of experience, TMI Coatings will have your project completed on time and within budget. Contact us today at 651-452-6100 for your free, no-obligation quote.

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