Updated ASTM F2170 Reflects the Newest Science about RH Testing

This article was originally published in Concrete Contractor (June/July 2018 issue). For years now, the in situ relative humidity (RH) test for measuring the moisture condition of concrete has been shown to be the most reliable, accurate test available. As far back as the 1960s, laboratories at the Portland Cement Association conducted controlled tests that […]

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