How does pine’s porosity affect its performance in humid climates for outdoor pet waste bins?

Pine wood is naturally porous, which significantly influences its suitability for outdoor pet waste bins in humid climates. The high porosity allows pine to absorb moisture from the air, leading to potential issues like swelling, warping, and accelerated decay. In humid environments, this moisture retention can promote mold growth and structural weakening over time. While pine is cost-effective and lightweight, its porous nature requires regular sealing or treatment to enhance durability. For pet waste bins, this means more frequent maintenance is needed to prevent odor retention and bacterial buildup. Alternatives like plastic or treated hardwoods may offer better longevity in consistently damp conditions, but proper care can extend pine's service life.