Moisture Mapping is a crucial tool for assessing the moisture content of wood and determining its susceptibility to mold growth. Wood moisture content, the amount of water present in the wood, plays a significant role in mold growth and wood decay. ### Wood Moisture Content and Mold Growth Mold growth on wood is primarily dependent on the wood's moisture content. Mold spores, ubiquitous in the environment, require a certain amount of moisture to thrive. When wood moisture content exceeds a specific threshold, mold can start to colonize and damage the wood. ### At What Moisture Content Does Mold Grow on Wood? The exact moisture content at which mold grows on wood varies depending on the type of wood and environmental conditions. However, studies have shown that the risk of mold growth becomes significant when wood moisture content exceeds 20%. At this level, mold spores can germinate and establish themselves, leading to potential wood damage and health concerns. Understanding the moisture content of wood is essential for proper maintenance and prevention of mold growth. Regular monitoring of wood moisture content and the implementation of moisture control strategies can help mitigate the risk of mold-related issues.