Red Seal Cabinetmaker Practice Exam

How does humidity affect wood in cabinetry?

1. It causes the wood to warp or crack

2. It increases the wood's color richness

3. It has no effect on wood

4. It make wood lighter

The correct answer is: It causes the wood to warp or crack

Humidity significantly affects wood in cabinetry due to wood's natural hygroscopic properties, which means it tends to absorb and release moisture based on the environment's humidity levels. When humidity increases, wood absorbs moisture, causing it to expand. This expansion can lead to warping, buckling, or cracking, as the wood's fibers swell and distort its shape. Conversely, when humidity decreases, the wood can dry out and contract, which may also lead to cracking or splitting. This behavioral response of wood to changes in humidity is crucial for cabinetmakers to understand, as it impacts the longevity, aesthetic quality, and structural integrity of cabinetry. Proper acclimatization of wood before use, along with appropriate finishes and moisture barriers, can help mitigate these potential issues.