Downspout Gutter Sizes

It is easy to see that you can vary gutter size downspout size and downspout spacing to properly size a gutter downspout system.

Downspout gutter sizes. Gutter downspout sizes are 3 to 6 inches. But houses with big steep roofs or those located in climates prone to heavy downpours may need wider gutters and extra downspouts to keep rainwater from overflowing. However too large a gutter downspout can look unattractive. In general there are three different types of downspouts.

This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. They come in various colors and sizes of 3 4 5 and 6. You should have enough gutter downspouts to effectively handle the size of your entire gutter system. Available sizes are 2 3 and 3 4.

The second most common style of downspouts in urban homes is the rectangular downspout coming under a range of sizes such as 2 3 3 4 and 4 5. This is the standard downspout style used on homes with the 5 k style gutter system. Round downspouts are typically used with half round gutters. Round 3 inches 706 square feet 4 inches 1 255 square feet.

The larger a gutter downspout the more water it can drain quickly. By reducing the downspout spacing to perhaps 35lf you could use a 6 gutter with 9 4 x6 downspouts in lieu of an 8 system.