How to design an outdoor chair with rainproof function?

Designing an outdoor chair with rainproof functionality requires careful consideration of materials, structure, and features to ensure durability and comfort in various weather conditions. Start by selecting weather-resistant materials such as treated wood, aluminum, or high-quality synthetic resins. These materials are not only resistant to moisture but also prevent rust and decay. Incorporate a sloped design for the seat and backrest to allow rainwater to drain quickly, preventing pooling. Use waterproof cushions or covers made from UV-resistant fabrics to enhance comfort while protecting against rain and sun damage. Additionally, consider adding drainage holes or channels in the frame to further improve water runoff. Finally, apply a protective coating or sealant to the chair's surface to enhance its longevity and resistance to harsh outdoor elements. By combining these elements, you can create a stylish, functional, and rainproof outdoor chair perfect for any patio or garden.