Installing the right sized gutter downspouts not only promotes efficient drainage but it can also save you money in expensive repairs by having the capacity to drain quickly.
Appropriate gutter size.
The steeper a roof s pitch the more windblown rain it can collect.
Then use the information below to see what size gutter you need.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
6 inch 7 960 square feet.
How to figure the right downspout size.
But don t overlook performance and quality which will over time.
Choose the right gutters there is so much to consider when choosing new gutters including shape material and cost.
5 inch 5 520 square feet.
Roof pitch is very important for right roof gutter sizing.
The following guide could help take the guesswork.
Rectangular gutter downspouts are available in 2 3 3 4 and 4 5 sizes.
Picking your gutter size.
5 inch 5 520 square feet.
5 inch 5 520 square feet.
Then use the chart below to see what size gutter you need.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Now finally you can find the appropriate gutter size by looking at the following figures showing the relationship between different gutter systems and the roof area they ll be able to drain.
5 inch 2 500 square feet.
You can measure pitch with a 2 foot level and a tape measure.
6 inch 7 960 square feet.