While outdoor furniture marketed as "all-weather" is designed to withstand the elements, covering it during winter remains a highly recommended practice. The term "all-weather" typically signifies resistance to rain and UV rays during warmer months, but winter presents a different set of extreme challenges. Prolonged exposure to snow, ice, sleet, and freezing temperatures can compromise the integrity and appearance of even the most durable materials.
Snow and ice can seep into microscopic pores and joints. When they freeze and thaw repeatedly, this expansion and contraction can lead to cracks in materials like resin, wood, and metal. Furthermore, moisture trapped under frozen debris can lead to mold, mildew, and permanent water stains. For metal frames, especially those that are not entirely rust-proof, constant dampness accelerates corrosion. For cushions, even if they are made from quick-dry foam, winter moisture can lead to internal mildew that is difficult to eradicate.
Using a breathable, waterproof cover is the best defense. It acts as a shield against heavy snow accumulation, biting winds, and de-icing salts, while still allowing moisture vapor to escape, preventing a humid environment that promotes mold. Therefore, to extend the lifespan and maintain the pristine condition of your investment, taking the simple step of covering your all-weather outdoor furniture for the winter is not just necessary—it's essential for long-term care.