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Method for retarding efflorescence in building materials and building material that exhibits reduced efflorescence

  • US 5,681,385 A
  • Filed: 04/18/1996
  • Issued: 10/28/1997
  • Est. Priority Date: 04/18/1996
  • Status: Expired due to Fees
First Claim
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1. A method for retarding efflorescence of a building material, comprising the step of applying a coating composition comprising polyvinylalcohol (PVOH) onto a surface of a building material subject to efflorescence, said PVOH having a hydrolysis percent of at least about 90%.

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