Moisture mapping is the process of assessing the moisture content of a property, typically to identify areas that are at risk of mold growth or other moisture-related problems. Acceptable moisture levels are a critical part of moisture mapping, as they help to determine the severity of the problem and the appropriate course of action.

What is an acceptable damp reading?

Acceptable damp readings vary depending on the building material and the climate. Generally speaking, moisture levels below 15% are considered acceptable. For example, if the average relative humidity inside a home is 50%, interior wood should register below 15% moisture content and concrete floors below 75% moisture content.

However, in areas with high humidity, higher moisture levels may be acceptable. For example, in a basement, moisture levels up to 25% may be acceptable if the relative humidity is consistently high.

It is important to note that acceptable moisture levels are not the same as safe moisture levels. Even if a moisture level is considered acceptable, it does not mean that the area is free of mold or other moisture-related problems. If you are concerned about the moisture level in your home, it is important to consult with a qualified professional.