**Moisture mapping** is a diagnostic procedure used to detect and measure the moisture content within walls. This information is important for assessing potential moisture-related issues, such as mold growth, structural damage, and health hazards. ### Acceptable Moisture Levels in Walls **Acceptable moisture levels in walls vary depending on the climate, building materials, and construction practices.** However, as a general rule, moisture content should not exceed 20-25%. Higher levels of moisture can indicate underlying problems, such as leaking pipes, roof damage, or poor ventilation. ### How Much Moisture is OK in Walls? The ideal moisture content for walls is between 5-10%. This range is low enough to prevent mold growth but high enough to promote healthy indoor air quality. If moisture content exceeds 20-25%, immediate action should be taken to identify and address the source of the moisture. ### Professional Moisture Mapping Services If you suspect excessive moisture in your walls, it is important to consult with a professional moisture mapping service. These professionals have the expertise and equipment to accurately measure moisture levels and provide recommendations for remediation. **By addressing moisture issues promptly, you can prevent costly repairs and ensure a healthy and comfortable indoor environment.**