Standard Eaves Gutter Sizes

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

Standard eaves gutter sizes.

You should have enough gutter downspouts to effectively handle the size of your entire gutter system. However too large a gutter downspout can look unattractive. Oversize 5 25 inch dia. Then use the chart below to see what size gutter you need.

Industrial 8 inch dia. Most downspouts are rectangular but they can also be round or square. The larger a gutter downspout the more water it can drain quickly. It also comes in sizes 2 3 and 3 4.

7 and greater are appropriate for churches and larger commercial buildings. Small 3 25 inch diameter. 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. There is no limit to downpipe size or eaves gutter size.

The sizes available in this style are 3 4 5 and 6. 6 inch 7 960 square feet. 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. Commercial 6 50 inch dia.

Metal or steel building gutters. Gutter downspout sizes are 3 to 6 inches. 5 inch 5 520 square feet. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system.

If a roof s various drainage areas call for different size gutters go for the biggest one k style.