### Moisture Mapping: A Comprehensive Guide to Assessing Internal Wall Moisture Moisture mapping is a crucial aspect of building maintenance, providing a comprehensive evaluation of moisture levels within internal walls. By utilizing specialized equipment, moisture mapping allows for the detection and analysis of moisture accumulation, which can lead to structural damage, mold growth, and other health hazards. ### Acceptable Moisture Levels for Internal Walls Internal walls should ideally maintain a moisture content between **4%** and **6%**. These levels indicate an acceptable range for indoor humidity and prevent the growth of harmful microorganisms. ### Moisture Readings for Internal Walls To interpret moisture readings for internal walls, the following guidelines are recommended: - **< 15%:** Indicates normal moisture levels, typically found in dry areas of the home. - **15% - 20%:** May suggest a minor moisture issue, often caused by condensation or minor leaks. - **> 20%:** Indicates significant moisture accumulation, requiring immediate investigation and remediation to prevent further damage. By understanding acceptable moisture levels and interpreting moisture readings, building owners can proactively address moisture issues, ensuring the integrity and safety of internal walls.