Then use the chart below to see what size gutter you need.
Rain gutter width.
5 inch standard k style gutter shop 5 gutterbrush.
5 inch 5 520 square feet.
5 inch 5 520 square feet.
Gutters come in different sizes.
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.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s.
Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size.
Downspout sizes must not exceed the bottom width of the gutter.
Roof slope rainwater must not overrun the front edge of the gutter.
A k style gutter in the same inch width can handle twice as much water as a half round gutter.
Most times these style gutters are installed with rectangular downspouts.
See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches.
Measure your gutter across the top from the back where the gutter meets the home to the outer edge.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
They come in 5 inch to 6 inch widths.
They can be 4 5 or 6 inches.
6 inch 7 960 square feet.