Moisture Mapping plays a crucial role in maintaining optimal indoor air quality and preventing moisture-related issues. Understanding acceptable moisture levels and identifying bad moisture readings is essential for homeowners and building professionals alike. ### Acceptable Moisture Levels in Buildings * **Wood:** 5-12% * **Concrete:** Below 10% * **Masonry:** Below 15% * **Gypsum Board:** Below 15% * **Cabinets:** 5-12% Maintaining these levels helps prevent mold growth, structural damage, and health problems associated with excessive moisture. ### What is a Bad Moisture Reading? Moisture readings above acceptable levels indicate excessive moisture that requires investigation and remediation. * **Wood:** >20% * **Concrete:** >15% * **Masonry:** >20% * **Gypsum Board:** >20% * **Cabinets:** >15% High moisture readings can result from leaks, poor ventilation, or inadequate drainage. Ignoring such readings can lead to costly repairs and health concerns.