5 inch 5 520 square feet.
Standard eaves gutter sizes.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.
Standard 4 25 inch dia.
However too large a gutter downspout can look unattractive.
Gutter style gutters are typically k style and half round styles though custom profile are available.
And 26 800 sq mm for flat eaves gutters the program will calculate the size and number of downpipes downspouts leaders required and the eaves gutter sizes you can choose a downpipe size and calculate the number required and the corresponding eaves gutter size.
As a general rule egutter recommends for roof areas that exceed 2800 square feet a 6 k style size with a 3 x 4 downspout size would be appropriate.
There is no limit to downpipe size or eaves gutter size.
6 inch 7 960 square feet.
Small 3 25 inch diameter.
This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system.
Industrial 8 inch dia.
It also comes in sizes 2 3 and 3 4.
Most downspouts are rectangular but they can also be round or square.
You should have enough gutter downspouts to effectively handle the size of your entire gutter system.
If a roof s various drainage areas call for different size gutters go for the biggest one k style.
K style sizes will typically range from 5 to 6.
Metal or steel building gutters.
7 and greater are appropriate for churches and larger commercial buildings.
Oversize 5 25 inch dia.
Then use the chart below to see what size gutter you need.
Gutter downspout sizes are 3 to 6 inches.