Wood moisture content is a crucial factor in determining the stability and durability of wood products. Understanding and controlling moisture content through moisture mapping ensures optimal performance and longevity.
Contrary to popular belief, wood can indeed contain moisture content exceeding 100%. This phenomenon occurs when the wood absorbs moisture from its surroundings, resulting in a higher weight than its dry state. However, as the wood dries, the moisture evaporates, bringing its moisture content back below 100%.
When wood is exposed to a humid environment, water molecules penetrate the wood’s capillaries. These molecules bind to the wood’s fibers, increasing the wood’s weight. The wood’s moisture content is expressed as a percentage of its dry weight. If the weight of the water absorbed exceeds the dry weight of the wood, the moisture content surpasses 100%.
High moisture content can have detrimental effects on wood products. It can lead to:
Moisture mapping involves measuring and analyzing the moisture content of wood structures using specialized equipment. This process helps identify areas with excessive moisture that may require corrective measures. Regular moisture mapping is recommended to: