Then use the chart below to see what size gutter you need.
Appropriate gutter size.
5 inch 5 520 square feet.
Roof pitch is very important for right roof gutter sizing.
But don t overlook performance and quality which will over time.
The following guide could help take the guesswork.
6 inch 7 960 square feet.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
How to figure the right downspout size.
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.
You can measure pitch with a 2 foot level and a tape measure.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Picking your gutter size.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Then use the information below to see what size gutter you need.
5 inch 5 520 square feet.
Rectangular gutter downspouts are available in 2 3 3 4 and 4 5 sizes.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
The steeper a roof s pitch the more windblown rain it can collect.
Hold one end of the level against the roof level it and then measure the distance between the roof and the underside of the level at its midpoint which.
5 inch 2 500 square feet.
6 inch 7 960 square feet.