Moisture Mapping is a crucial diagnostic technique for identifying moisture intrusion, a common problem that can lead to structural damage, mold growth, and other health and property concerns. This blog explores the fundamentals of Moisture Mapping and provides practical guidance on how to detect moisture under a house. ### Detection Methods for Moisture Mapping A comprehensive Moisture Mapping involves employing a range of detection methods to accurately pinpoint moisture sources: **Infrared (IR) Thermography:** IR cameras detect temperature variations, which can indicate moisture presence. Warmer areas often signify moisture buildup. **Capacitance-Based Moisture Meters:** These devices measure the electrical capacitance of materials. Increased capacitance corresponds to higher moisture content. **Microwave Moisture Sensors:** Microwave technology penetrates materials and measures moisture levels at varying depths. **Moisture Pins:** Inserting moisture pins into surfaces allows for direct moisture readings at specific locations. ### How to Check for Moisture Under a House? **Visual Inspection:** Look for signs of moisture damage, such as peeling paint, warping wood, or mold growth. **Moisture Mapping Equipment:** Utilize infrared thermography or moisture meters to identify moisture concentration areas. **Moisture Detector:** Employ a moisture detector to pinpoint exact moisture sources, including leaks or plumbing issues. **Vapor Barrier Inspection:** Check that the vapor barrier under the house is intact and not compromised, as this can prevent moisture from rising. By combining these approaches, you can create a comprehensive Moisture Map, identifying moisture sources, assessing their severity, and informing appropriate remediation measures.