Downspout Gutter Sizes

You should have enough gutter downspouts to effectively handle the size of your entire gutter system.

Downspout gutter sizes.

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. 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. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. The larger a gutter downspout the more water it can drain quickly.

Gutter downspout sizes are 3 to 6 inches. Available sizes are 2 3 and 3 4. 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. Round downspouts are typically used with half round gutters.

It also comes in sizes 2 3 and 3 4. It is easy to see that you can vary gutter size downspout size and downspout spacing to properly size a gutter downspout system. In general there are three different types of downspouts. Round 3 inches 706 square feet 4 inches 1 255 square feet.

However too large a gutter downspout can look unattractive. This is the standard downspout style used on homes with the 5 k style gutter system.