You should have enough gutter downspouts to effectively handle the size of your entire gutter system.
Round gutter downspout sizes.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
The size of the downspout should be constant through out its length.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Our aluminum plain round downspouts match our half round and k style aluminum gutter systems.
This is the second most common downspout style seen in homes constructed in the city.
Then use the information below to see what size gutter you need.
Our 4 plain round downspouts are available in 21 colors and our 3 plain round downspouts are available in high gloss white royal brown and copper penny.
The amerimax flex a spout downspout extension has a rigid the amerimax flex a spout downspout extension has a rigid corrugated design for versatility.
Gutter downspout sizes are 3 to 6 inches.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Downspout sizing in sizing downspouts the following considerations apply.
5 inch 5 520 square feet.
6 inch 7 960 square feet.
It also comes in sizes 2 3 and.
However too large a gutter downspout can look unattractive.
Most downspouts are rectangular but they can also be round or square.
The larger a gutter downspout the more water it can drain quickly.
This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system.
Featuring durable vinyl construction this extension can be buried bent or connected to additional sections.
5 inch 5 520 square feet.
Our plain round aluminum downspouts are available in 3 round and 4 round.
Then use the chart below to see what size gutter you need.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
The sizes available in this style are 3 4 5 and 6.
Round downspouts are typically used with half round gutters.
They come in various colors and sizes of 3 4 5 and 6.
Find downspout components at lowe s today.
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.
Downspouts should be constructed with conductor.