Downspout Gutter Sizes

Most downspouts are rectangular but they can also be round or square.

Downspout gutter sizes.

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. 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. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system.

In general there are three different types of downspouts. They come in various colors and sizes of 3 4 5 and 6. 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. This is the standard downspout style used on homes with the 5 k style gutter system.

It is easy to see that you can vary gutter size downspout size and downspout spacing to properly size a gutter downspout system. It also comes in sizes 2 3 and 3 4. Five inch k style gutters or 6 inch half rounds the most common residential sizes are able to handle the rainfall on most houses in most parts of the country. The larger a gutter downspout the more water it can drain quickly.

Available sizes are 2 3 and 3 4. You should have enough gutter downspouts to effectively handle the size of your entire gutter system.