Standard Rain Gutter Dimensions

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

Standard rain gutter dimensions.

Measure your gutter across the top from the back where the gutter meets the home to the outer edge. Most downspouts are rectangular but they can also be round or square. This type of down spout is considered the standard downspout style in households and is used with a 5 k style guttering system. Gutter downspout sizes are 3 to 6 inches.

7 and greater are appropriate for churches and larger commercial buildings. 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. K style sizes will typically range from 5 to 6.

5 inch standard k style gutter shop 5 gutterbrush. Gutters come in different sizes when you are completing a gutter replacement the first point to note is that gutters come in different sizes. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in 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.

You should have enough gutter downspouts to effectively handle the size of your entire gutter system. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches. 5 inch 5 520 square feet. However too large a gutter downspout can look unattractive.

They can be 4 5 or 6 inches. Then use the chart below to see what size gutter you need.