Rain Gutter Downspout Sizes

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

Rain gutter downspout sizes.

The second most common style of downspouts in urban homes is the rectangular downspout coming under a range of sizes. Gutter downspout sizes are 3 to 6 inches. Downspouts should be constructed with conductor. The size of the downspout should be constant through out its length.

Round downspouts come in various sizes and colors and mostly used with half round gutters. The larger a gutter downspout the more water it can drain quickly. 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. Downspout sizing in sizing downspouts the following considerations apply.

The sizes available in this style are 3 4 5 and 6. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. It also comes in sizes 2 3 and 3 4. Gutter professionals have experience matching the gutters and the downspouts.

Most downspouts are rectangular but they can also be round or square. For example a 6 inch k style gutter requires a 3 x 4 downspout while a 5 inch k style gutter uses a 2 x 3 downspout.