Standard Commercial Gutter Sizes

It is easy to see that you can vary gutter size downspout size and downspout spacing to properly size a gutter downspout system.
Standard commercial gutter sizes. But by contrast going to 7 inch gutters is a business decision. Gutter downspout sizes are 3 to 6 inches. Most downspouts are rectangular but they can also be round or square. Commercial buildings are normally larger with a larger roof area.
Available in 10 lengths. By reducing the downspout spacing to perhaps 35lf you could use a 6 gutter with 9 4 x6 downspouts in lieu of an 8 system. 7 and greater are appropriate for churches and larger commercial buildings. Both kortyta and grambart put 7 inch gutters in an entirely different category than 5 inch and 6 inch systems.
However too large a gutter downspout can look unattractive. Gutters can be manufactured in a variety of sizes but commonly come in five inch and six inch widths. Commercial box gutter profile sizes commercial box gutter material weight and thickness 0 027 aluminum 6 gutter a dimension is 5 due to coil width. The extra run off requires the larger six inch size gutter.
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. Thus the decision between 5 inch and 6 inch gutters is a performance and price decision. The five inch size is most frequently used in residential applications. You should have enough gutter downspouts to effectively handle the size of your entire gutter system.
The larger a gutter downspout the more water it can drain quickly. K style sizes will typically range from 5 to 6.