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Waterproofing Metal Silos


To reduce corrosion and seal the floor/tank juncture of metal silos, TMI Coatings, Inc. (TMI) installs elastomeric waterproof coating. TMI has considerable experience protecting the company’s commodities or equipment. Whether you have silos, bins, tanks, buildings, etc., and you have water intrusion or excessive corrosion, TMI can assist you with a long-term solution to solve your issues. 


  1. To seal along the ground floor/silo juncture of several metal silos used to store plastic pellets, TMI began by removing the loose caulk and debris and then cleaning the metal substrate.
  2. We then primed the surface with a rust-inhibiting epoxy primer.
  3. We applied two full coats of a urethane-based waterproof coating to the floor/wall juncture approximately one foot high onto the steel and one foot out onto the concrete.


The urethane-based waterproof coating adheres and bridges gaps between common construction materials such as concrete, steel, and wood. The coating system has good chemical resistance toward acids, oxidizing agents, and also alkali solutions. This coating expands and contracts and therefore will not crack, chip or peel due to temperature changes.

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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