Standard Gutter Downspout Sizes

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

Standard gutter downspout sizes.

The sizes available in this style are 3 4 5 and 6. Compatible with 2 in. The above recommendations assume that you have properly sized downspouts every 40 feet. When determining the size of a home s gutter system a homeowner should consider the area s rainfall.

They are made from aluminum vinyl zinc copper or steel. Downspouts are commonly 2 x 3 inches and 3 x 4 inches in size or 3 or 4 inches in diameter. Gutters and gutter downspout sizes. It also comes in sizes 2 3 and.

This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. The size of the downspout should be constant through out its length. Downspouts should be constructed with conductor. 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.

Increasing the pitch increases a gutter s handling capacity but the gutter may look askew over a long run. Use the downspout to redirect runoff and help prevent garden erosion and foundation damage. Gutters are typically round shape or k style but other designs are available. Continue reading to learn more about what to consider when figuring the right gutter downspout sizes.

Most downspouts are rectangular but they can also be round or square. As with gutters a downspout s capacity must match or exceed the expected runoff. Gutter downspout sizes are 3 to 6 inches. Also the gutter width in relation to height may also be adjusted.

The above recommendations assume that you have properly sized downspouts every 40 feet. The larger a gutter downspout the more water it can drain quickly. More product details close. Round downspouts come in various sizes and colors and mostly used with half round gutters.

The gutter and downspout size requirement depends upon the number of sections and length of the gutter sections as well as the number of downspouts. However too large a gutter downspout can look unattractive. Adding additional sections of gutter reduces the length of each section and will reduce the gutter size. 5 inches and 6 inches gutters are the most common sizes installed for.

Increase the pitch of the gutter. The standard is about inch per 10 feet. The standard is about inch per 10 feet. In sizing downspouts the following considerations apply.

Increasing the pitch increases a gutter s handling capacity but the gutter may look askew over a long run. In this example your maximum spacing of downspouts should be 40.