Residential Gutter Size

You should have enough gutter downspouts to effectively handle the size of your entire gutter system.

Residential gutter size.

Five inch k style gutters or 6 inch half rounds the most common residential sizes are able to handle the rainfall on most houses in most parts of the country. Gutter downspout sizes are 3 to 6 inches. If a roof s various drainage areas call for different size gutters go for the biggest one k style. K style 5 gutters can easily channel a large volume of water.

5 inch 5 520 square feet. Most downspouts are rectangular but they can also be round or square. 5 inch standard k style gutter shop 5 gutterbrush 6 inch oversize k style gutter. But houses with big steep roofs or those located in climates prone to heavy downpours may need wider gutters and extra downspouts to keep rainwater from overflowing.

Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. As far as replacement gutters go you want seamless aluminum gutters with a minimum thickness of 025 inches asserts lowe. Downspouts also come in different sizes such as 2 3 inches and 3 4 inches in size. Then use the chart below to see what size gutter you need.

Half round gutters move less water and allow for 2 500 square feet for a 5 inch diameter or 3 840 square feet for a 6 inch diameter gutter. There also are numerous options for toppers for those gutters. Use this handy guide to make sure your rain collection is up to the task during even the heaviest storm. The larger a gutter downspout the more water it can drain quickly.

The most common gutter sizes are 5 inches and 6 inches although 4 inches is available as well. The second most common style of downspouts in urban homes is the rectangular downspout coming under a range of sizes such as 2 3 3 4 and 4 5. Regardless of the gutter profile the shape of the gutter a gutter is measured from the back to the front at the widest part. Most residential gutter systems use 5 gutters or 6 gutters.

They can be 4 5 or 6 inches. A larger size gutter system will generally be more expensive. 6 inch 7 960 square feet. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches.

Now that we are well aware of the various gutter downspout sizes and styles let us dig deeper into the materials used for effective downspouts and how much they shall cost. However too large a gutter downspout can look unattractive.