Why is it crucial to allow treated wood to dry before use?

Allowing treated wood to dry before use is essential primarily because it helps prevent moisture entrapment, which can lead to fungal growth. When wood is treated for preservation, it often becomes saturated with preservatives that can retain moisture. If this moisture is not allowed to evaporate, it creates an environment conducive to fungal growth and decay.

Fungal growth can severely degrade the integrity and longevity of the wood, negating the benefits of the treatment. By drying the wood first, you ensure that it reaches a balance moisture content that minimizes the risk of biological deterioration. This process enhances the overall durability of the wood and ensures that it performs well in its intended application, whether for construction, decking, or other uses.

The other options do not directly relate to the primary concern of moisture management following treatment. Improving the color or enhancing the natural fragrance of the wood are aesthetic aspects that do not impact its structural integrity. Additionally, while increased weight can occur as a result of treatment, it is not a desired outcome or a reason for drying the wood. The focus should be on ensuring that the wood is adequately prepared and protected against potential damage caused by excess moisture.