The answer to 'fence turning brown' is that a fence turning brown is typically caused by weathering, sun exposure, or a lack of proper maintenance. The most common symptoms are discoloration, fading, and drying of the wood. To address this issue, the first step is to determine the underlying cause.
If the fence is made of untreated wood, it is susceptible to natural weathering and sun damage over time. In this case, you may need to sand, clean, and re-stain or seal the fence to restore its appearance and protect it from further deterioration. However, if the fence is treated or made of a more durable material, the discoloration may be due to a lack of regular cleaning and maintenance.