The larger a gutter downspout the more water it can drain quickly.
Round to rectangular gutter.
Information courtesy of the sheet metal and air conditioning contractors national association smacna a standards setting organization based in chantilly va.
Gutter downspout sizes are 3 to 6 inches.
Learn the differences between and the benefits of the two gutter types.
Guttersupply offers gutter downspout elbows to direct drainage from your gutter systems away from your home.
Most downspouts are rectangular but they can also be round or square.
Our selection of elbows includes rectangular plain round round corrugated and smooth round in a variety of sizes and materials.
Rectangular 2 by 3 inches 600 square feet 3 by 4 inches 1 200 square feet.
Half round gutter systems should be sized an inch larger than the size of the rectangular downspout collecting storm water from the same roof area.
The gutter is essentially rounded at the bottom and it looks like a half moon gutter.
Round gutters are named after their shape.
However too large a gutter downspout can look unattractive.
The round downspouts are now available corrugated or smooth in steel and copper.
You should have enough gutter downspouts to effectively handle the size of your entire gutter system.
Determine which elbow is necessary for your project then.
They are more difficult to mount on the house compared to the rectangular downspouts.
The reason rectangular shapes are so commonly used for gutters and downspouts is that they carry more volume for the sizes typically used.
Round 3 inches 706 square feet 4 inches 1 255 square feet.