What are the most important factors in determining the table’s resistance to mold or mildew?

The longevity and appearance of your furniture hinge on its ability to resist biological threats like mold and mildew. For tables, several interconnected factors determine this resistance, with the core material being paramount. Solid, dense hardwoods like teak, cedar, or properly sealed oak offer inherent resistance due to their natural oils and tannins. In contrast, porous materials, low-quality engineered wood, or particleboard readily absorb moisture, creating an ideal environment for fungal growth. The construction method is equally critical. Tables with tight, sealed joints and no exposed end grain prevent water infiltration. A waterproof or water-resistant sealant—such as polyurethane, epoxy, or marine-grade varnish—creates a crucial physical barrier, sealing the material's surface from ambient humidity and spills. Furthermore, the table's design influences its vulnerability; designs that allow for air circulation underneath and avoid moisture-trapping details are superior. Ultimately, the environment plays a decisive role. Even the best table will struggle in consistently damp, poorly ventilated spaces. Therefore, the most mold-resistant table results from a synergy: selecting an inherently stable material, ensuring impeccable construction with a robust protective finish, and maintaining a reasonably dry environment. Regular cleaning to remove organic debris that can feed mold is the final, essential step in a comprehensive defense strategy.