Wood moisture content refers to the amount of water present within the wood fibers. This moisture is key in determining the wood’s stability, durability, and susceptibility to damage.
The answer to this question is yes. Wood can contain over 100% moisture content, a condition known as “super-saturation.” This occurs when the wood absorbs water beyond its fiber saturation point (FSP). The FSP is the point at which the cell walls of the wood are fully saturated with water, and any additional water is held in the cell lumens.
Super-saturation can result from prolonged exposure to water or flooding. It can also occur when wood is exposed to high humidity levels for an extended period. When wood becomes super-saturated, it undergoes significant changes in its physical properties, including:
* Reduced strength
* Increased susceptibility to decay and mold
* Increased swelling and shrinkage
* Altered appearance
It is important to note that super-saturation is not a permanent condition. If the wood is exposed to drier conditions, the excess moisture will eventually evaporate, and the wood will return to its equilibrium moisture content.