we had a problem with our shower curb. Is it possible the 40% moisture is not the cause of the mold or is it the most likely suspect? Outside of this small 4x4 area, the moisture rating returns to 12-15%. Is it possible to get a 99.9% moisture reading (using a Cassain GM-200 hydrometer) on a particle board floor which looks and feels completely dry? Does that seem normal. Any input would be most appreciated. Brick Stone Concrete Stucco Tile Mortar Plaster Cement Mudbrick Granite. The rule of thumb is that any moisture reading over 16% is considered damp and needs attention. I am building a farm style dining table with pecan 2 thick X 8-0 long boards. As a result, we will tighten the perimeter a little bid and talk only about lumber, which is the type of wood most used for building houses and making furniture. Yes, hardwoods such as cherry and walnut should be between 6 and 8% moisture content. Any suggestions to this being possible to correct? Sincerely, Alison. Colorado is cold and dry. We have had on/off rain and humidity 80-90% range. because if the moisture meter indicated 40% of water content in lumber, it means that it is already saturated and compromised. For example, a dented or scratched scanning plate on a pinless moisture meter can keep the meter from making smooth contact with the surface of the material being tested. The plumber said that the floor has an elevated moisture reading and took a photo showing the 99.9% (maximum reading) on the meter while the meter was on the floor. You should be aware that a moisture reading of 0-15% is quite normal and gives no cause for concern. Use of moisture measuring devices for evaluating water damage in Our Orion 950 Smart Pinless Wood Moisture Meter is the best in the industry and trusted by professionals. What Are Acceptable Moisture Levels in Wood? - Wagner Meters I have used spar urethane as a finish on a few other 12 to 18 MC (semi-wet) log projects that turned out wonderfully. How to Understand Moisture Meter Readings for Accurate Results - Delmhorst The ASTM D4442 standard determines the accuracy of wood moisture meters. Learn how your comment data is processed. As long as the moisture content does not exceed those readings you should be ok. Depending on the finished hardwoods width, the hardwood floorings moisture content must be within 2-4% of the subfloor moisture level. in general, any reading between 6 and 10% is considered normal here. How to Check for Moisture Inside Walls | Home Guides | SF Gate Because of the different materials involved, they will react differently to high heat, thus giving you an un-even plywood surface. I would not recommend re-drying finished plywood. There are different types of moisture meters and each type is for a specific purpose. WME? They are currently nearing equilibrium (around 12 MC) and are stored within the house. ie SW=Starting weight, TW=Target weight, using T%=Target percentage My calculation ( T% X SW = TW). Levels between 25-30% indicate that there may be water ingress, meaning that remedial work could be required.
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moisture meter readings what is normal