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Method for the protection of concrete in sea water

  • US 4,258,090 A
  • Filed: 01/19/1979
  • Issued: 03/24/1981
  • Est. Priority Date: 01/19/1979
  • Status: Expired due to Term
First Claim
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1. A method of treating a concrete surface to be used in contact with sea water to prevent fouling of said surface which comprises the steps of:

  • (a) fluating the concrete surface with an aqueous solution of a compound selected from the group consisting of fluorosilicic acid calcium fluorosilicate, magnesium fluorosilicate, and zinc fluorosilicate of sufficient concentration to strengthen the concrete surface and to prevent biodeterioration thereof;

    (b) treating the concrete surface with a biocide insoluble in water and selected from the group consisting of copper naphthenate, beta-naphthol, pentachlorophenol and tributyl tin oxide to prevent biodeterioration of the concrete surface; and

    (c) fixing the concrete surface treated during steps (a) and (b) by treating the surface with the biocide defined in step (b) in solution with a polyesteric resin or an epoxy resin.

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