When woodworking, it’s crucial to understand wood moisture content (MC) to ensure successful results. Moisture content refers to the amount of water present in a piece of wood, typically expressed as a percentage of its dry weight.
Wood MC influences its behavior and properties, including stability, strength, and durability. When wood is too wet, it can shrink, warp, or develop mold; conversely, if it’s too dry, it can become brittle and prone to cracking.
For turning, it’s generally recommended to use wood with an MC between 8-12%. This range allows for optimal workability and prevents excessive warping or cracking.
The following table provides guidelines for ideal MC levels for different woodworking applications:
| Application | Recommended MC Range (%) |
|---|---|
| Furniture and cabinetry | 6-9 |
| Exterior siding and trim | 9-12 |
| Turning | 8-12 |
| Firewood | 20-25 |
| Kiln dried lumber | 6-9 |
Measuring wood MC is essential before turning. This can be done using a moisture meter or by weighing the wood and comparing it to its dry weight.
To prevent further moisture loss after turning, the finished product should be sealed with a finish such as wax, oil, or varnish.