Standard Roof Gutter Dimensions

The sizes available in this style are 3 4 5 and 6.

Standard roof gutter dimensions.

The larger a gutter downspout the more water it can drain quickly. However too large a gutter downspout can look unattractive. 5 inch 2 500 square feet. It also comes in sizes 2 3 and 3 4.

5 inch 5 520 square feet. Most downspouts are rectangular but they can also be round or square. 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. K style sizes will typically range from 5 to 6.

Gutter style gutters are typically k style and half round styles though custom profile are available. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage.

These two types are able to handle the rainfall on majority of homes statewide. Measure your gutter across the top from the back where the gutter meets the home to the outer edge. Then use the chart below to see what size gutter you need. Half round adjusted square footage of roof.

This building has a parapet wall on three sides and a gutter to be located on an 80 ft 24 4 m side. Five inch k style gutters. The required width of gutter is therefore 6 in 152 mm and its depth need be only 4 5 in 114 mm in. 5 inch standard k style gutter shop 5 gutterbrush.

6 inch 7 960 square feet. Gutter downspout sizes are 3 to 6 inches. Houses with big steep roofs however may need wider gutters and extra downspouts to keep rainwater from overflowing. You should have enough gutter downspouts to effectively handle the size of your entire gutter system.

There are two most common type of residential gutters that we will talk about in this post for reliable roof gutter sizing. Sample problem to size a half round gutter for a build ing located in kansas city mo with a flat roof 80 x 40 ft 24 4 x 12 2 m. When you are considering what kind of gutters to get keep in mind that different gutter shapes have a significant impact on the capacity of the gutter. If a roof s various drainage areas call for different size gutters go for the biggest one k style.