Gutter Downspout Dimensions

Rainfall intensity is measured in inches per hour at a 5 minute interval.

Gutter downspout dimensions.

This durable downspout is maintenance free and has uv stabilizers to help prevent uv light degradation. Compatible with 2 in. 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. Continuing with our example in the last step we know our gutter downspout system may be subject to as much as 1 880 gallons per minute.

Size of the gutter drainage area. More product details close. The standard is about inch per 10 feet. Downspouts are commonly 2 x 3 inches and 3 x 4 inches in size or 3 or 4 inches in diameter.

How to figure the right downspout size. 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. However too large a gutter downspout can look unattractive.

It also comes in sizes 2 3 and 3 4. The size of the downspout should be constant through out its length. The larger a gutter downspout the more water it can drain quickly. Metal or vinyl downspouts this versatile downspout has a lifetime guarantee.

Round 3 inches 706 square feet 4 inches 1 255 square feet. Most downspouts are rectangular but they can also be round or square. The sizes available in this style are 3 4 5 and 6. For design purposes and aesthetics let s assume you have selected an 8 gutter.

You should have enough gutter downspouts to effectively handle the size of your entire gutter system. Rectangular downspouts move slightly less water at 600 square feet for 2 by 3 inch or 1 200 square feet for a 3 by 4 inch downspout. Gutter downspout sizes are 3 to 6 inches. Downspout sizing in sizing downspouts the following considerations apply.

You should be able to. One downspout is typically enough for every 20 25 feet of guttering. Practically speaking though a common gutter size is usually selected and downspout spacing is equal for most buildings. Round downspouts come in various sizes and colors and mostly used with half round gutters.

Use the downspout to redirect runoff and help prevent garden erosion and foundation damage. But more could be.