Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Gutter shapes and sizes.
Most downspouts are rectangular but they can also be round or square.
There are two basic types and they re referred to by the shape of their cross section.
Basic types of gutters.
Let s start with shapes.
We re here to guide you on the path to gutter glory.
The larger a gutter downspout the more water it can drain quickly.
5 inch 5 520 square feet.
There are two main common sizes of gutters and one of them is 5 inch.
Both types come in 5 and 6 inch widths.
Gutter downspout sizes are 3 to 6 inches.
You should have enough gutter downspouts to effectively handle the size of your entire gutter system.
For most homes this will be a large enough gutter to handle the amount of water washing off of the roof but if you live in a particularly rainy area you will want to opt for wider downspouts to be installed with your new gutters.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
6 inch 7 960 square feet.
This is most common in the k style gutters.