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Moisture meters can also be used for virgin drywall before installing it to check it has been stored properly and not exposed to any moisture or dampness. It can be easy to miss areas of moisture. Readings taken over the wall will indicate how much any damage has spread.
Normal moisture meter reading on drywall . Drywall (or gypsum) is not as delicate as wood. As the name suggests, drywall is meant to be dry and damp free. Thus, only low values are considered normal when using a drywall moisture meter. How low? Less than 1%.
What Should A Moisture Meter Read On Drywall? The ideal reading on a drywall moisture meter varies from one material to another. Non-gypsum-based materials such as cement boards should read around 8%, while gypsum boards should read around 12%.
What’s a normal reading on a moisture meter? A normal moisture meter reading on wood ranges between 6% and 10%. However, for drywall, concrete, and masonry substances, the moisture meter should show low values (preferably less than 1%). What’s an acceptable moisture reading?
This pin moisture meter has a special drywall scale setting designed to get accurate readings of moisture in drywall as low as 0.1% MC. The BD-2100 is a versatile tool that can also be used to measure moisture in other building materials such as wood, concrete, and insulation.
Learn to measure drywall moisture for integrity & mold prevention. Use a top-quality moisture meter to check for damage accurately.
Moisture levels for drywall and wood: 6-9%: Normal moisture content; 10-14%: Slightly elevated, monitor closely; 15-20%: High moisture, investigate further; Above 20%: Very high, immediate action required; Common Uses for Moisture Meters. Moisture meters have many uses in home maintenance and improvement projects. Detecting Water Damage
With a drywall scale meter, accurately measuring moisture is as easy as pushing the pins of the meter into the drywall and taking a reading. The meter will provide an exact measurement that you can use to determine the moisture content of the drywall.
The first step in using a moisture meter on drywall is picking the right moisture testing device. When choosing a device to test moisture in drywall, look for the following: A Gypsum/Drywall Reading Scale.
Home inspectors frequently use moisture meters to check water stains, drywall patches, and problematic basements for water intrusion. The EPA even has a guide on using a moisture meter to check firewood.