Stainless steel, HDPE polymer, and hardwoods each offer distinct advantages and maintenance requirements for outdoor use. Climate and exposure—whether humid, coastal, desert, or cold—dictate which cabinet materials will perform best over time. These include moisture, temperature fluctuations, ultraviolet (UV) radiation, and insect infestations. . Durability is key for outdoor cabinets. They also need to support heavy appliances like kamado grills or brick ovens. Marine-grade aluminum and UV-stabilized HDPE are top choices for their weather-resistant qualities. For drier regions, materials such as teak wood maintain better in the absence of high humidity. However, if you're. . Outdoor cabinets can face strong sunshine, rain, ice and a freeze-thaw cycle, depending on where you live. How long do you want to use. .