Residual moisture in concrete slabs has become an increasing problem in recent years, mainly because of changes in the formulation of flooring adhesives. New formulations for flooring adhesives have been necessary to meet air pollution control laws that limit the use of solvents and other materials containing volatile organic compounds (VOCs). These formulas are less resistant to high pH in the presence of moisture, resulting in early flooring failures. Using dehumidification to remove this excess moisture has become a reliable and economical solution. This article focuses on how the process works and things to plan and watch for along the way....
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