Outdoor solid wood doors ‌usually use strong and durable materials, such as redwood, birch, etc., these materials can withstand wind and sun and other harsh environments. In addition, outdoor solid wood doors are often coated with weather-resistant compounds, resin injection and other anti-corrosion treatment to prevent the wood from being corroded by tides ‌, the need for stronger durability and waterproof performance, so more complex waterproof technology and anti-corrosion treatment ‌ is usually used