What is a common slope for a gutter?

The common slope for a gutter is typically around 1 inch for every 25 inches of horizontal run, which translates to a slope of 1 in 25. This slight pitch is necessary to ensure that water flows freely toward the downspouts and drains away from the building. A properly sloped gutter system minimizes the risk of water pooling or overflowing, which could lead to water damage or other issues related to standing water.

In contrast, slopes of 1 in 100, 1 in 200, and 1 in 300 are too shallow for effective drainage. Such gentle slopes can struggle to manage water flow properly, potentially leading to clogs and overflow conditions. Thus, while these options indicate a sloped design, they do not meet the recommended standard for gutter functioning, which emphasizes the importance of maintaining a sufficient incline to facilitate proper water movement.