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How Moisture Meters Can Help After Flooding

Keeping your home clean and dry is an important way to keep it healthy. With excess moisture, mold and mildew can develop, and bacteria can multiply. That’s why many Clean Trust-Certified professionals use moisture meters during and after completion of flood cleanup or other water restoration/remediation work to ensure that your home is properly dried. [Note: Ad or content links featured on this page are not necessarily affiliated with The Clean Trust and should not be considered a recommendation or endorsement by The Clean Trust.]


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What’s a Moisture Meter?

It’s an electronic moisture sensing device used to measure the internal moisture percentage of various construction materials, such as wood, gypsum board, masonry, etc. There are two general categories of moisture meters: penetrating and non-penetrating. Penetrating meters use sharp pins or probes that are inserted into materials to measure the moisture percentage contained therein. Non-penetrating meters transmit electrical impulses into the material and measure resistance in order to electronically determine moisture content. Different settings on non-penetrating meters enable technicians to detect moisture in materials of various densities; e.g., wood, drywall, masonry.

Moisture Testing – What’s Involved?


A Clean Trust-Certified technician will often measure the moisture content of materials during the drying process and after he or she finishes the job to determine when they are as dry as they were before the water intrusion occurred, and at equilibrium with surrounding conditions. This is determined by comparing current results with moisture content measurements of similar materials in areas or in homes not impacted by the water. This is referred to as the “Dry Standard”.


Post-job moisture measurement is just another way skilled technicians can provide assurance to homeowners that the job has been done properly and that their homes are safe and dry.

Source: The Clean Trust Reference Guide for Professional Water Damage Restoration (The Clean Trust S500)


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How Moisture Meters Can Help After Flooding:  Created on December 15th, 2010.  Last Modified on October 19th, 2011


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About The Clean Trust

The Clean Trust

The Clean Trust, formerly known as The Institute of Inspection, Cleaning and Restoration Certification (IICRC), is an ANSI-accredited standards setting body for the flooring inspection, floor covering and specialized fabric cleaning and disaster restoration industries. Organized in 1972, The Clean Trust currently represents more than 5,700 Certified Firms and 54,000 Certified Technicians in 22 countries. The Clean Trust, with participation from the entire industry, sets standards for inspection, cleaning and disaster restoration. The Clean Trust does not own schools, employ instructors, produce training materials, or promote specific product brands, cleaning methods or systems. It approves schools and instructors that meet the criteria established by The Clean Trust. The Clean Trust also serves as a consumer referral source for Certified Firms and Inspectors. Visit



Information provided by The Healthy House Institute is designed to support, not to replace the relationship between patient/physician or other qualified healthcare provider.

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