Standard Gutter Downspout Sizes

Downspouts are commonly 2 x 3 inches and 3 x 4 inches in size or 3 or 4 inches in diameter.

Standard gutter downspout sizes.

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. Continue reading to learn more about what to consider when figuring the right gutter downspout sizes. Compatible with 2 in. Downspouts should be constructed with conductor.

This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. Metal or vinyl downspouts this versatile downspout has a lifetime guarantee. In this example your maximum spacing of downspouts should be 40. You should have enough gutter downspouts to effectively handle the size of your entire gutter system.

Downspouts of less than 7 00 sq in 4515 sq mm cross section should not be used except for small areas such as porches and canopies. 5 inches and 6 inches gutters are the most common sizes installed for. However too large a gutter downspout can look unattractive. Use the downspout to redirect runoff and help prevent garden erosion and foundation damage.

Increasing the pitch increases a gutter s handling capacity but the gutter may look askew over a long run. 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. The above recommendations assume that you have properly sized downspouts every 40 feet. In sizing downspouts the following considerations apply.

The larger a gutter downspout the more water it can drain quickly. Gutters are typically round shape or k style but other designs are available. The size of the downspout should be constant through out its length. They are made from aluminum vinyl zinc copper or steel.

Round downspouts come in various sizes and colors and mostly used with half round gutters. It also comes in sizes 2 3 and. The sizes available in this style are 3 4 5 and 6. Also the gutter width in relation to height may also be adjusted.

As with gutters a downspout s capacity must match or exceed the expected runoff. The standard is about inch per 10 feet. Gutters and gutter downspout sizes. Increasing the pitch increases a gutter s handling capacity but the gutter may look askew over a long run.

Most downspouts are rectangular but they can also be round or square. Increase the pitch of the gutter. Gutter downspout sizes are 3 to 6 inches. The standard is about inch per 10 feet.

More product details close. Adding additional sections of gutter reduces the length of each section and will reduce the gutter size.