24-hour concrete moisture testing predicts 72-hour result

According to a Precision and Bias study, users of American Society for Testing and Materials-compliant Rapid relative humidity (RH) measuring devices for concrete slabs can be certain that the readings they see at 24 hours are essentially the same they will see at 72 hours.

These results confirm the accuracy of in-situ Rapid RH moisture measurement and underscore the speed with which relative humidity testing allows flooring professionals to move forward with their projects. Knowing that the 24-hour RH reading is essentially identical to what the final 72-hour reading will be gives industry specialists a powerful tool to help accelerate their project workflow.

Whether their readings indicate that the slab’s moisture profile is in line with the finished flooring products’ specifications or that there is a need for some form of moisture mitigation, professionals now know that they possess this information a full 48 hours prior to taking their final readings.

“We’re glad to see the new study further validates the accuracy and reliability of Rapid RH testing," Jason Spangler, division manager of flooring for Wagner Meters, said. "These unbiased, independent results are great news for the industry.”

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American Society for Testing and Materials 100 Barr Harbor Drive, West Conshohocken, PA

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