Residential Gutter Sizes

Then use the chart below to see what size gutter you need.

Residential gutter sizes.

They come in 5 inch to 6 inch widths. Most residential gutter systems use 5 gutters or 6 gutters. Most times these style gutters are installed with rectangular downspouts. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches.

A larger size gutter system will generally be more expensive. Regardless of the gutter profile the shape of the gutter a gutter is measured from the back to the front at the widest part. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. If a roof s various drainage areas call for different size gutters go for the biggest one k style.

5 inch 5 520 square feet. 6 inch 7 960 square feet. Half round gutters move less water and allow for 2 500 square feet. K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s.

5 inch standard k style gutter shop 5 gutterbrush. Gutter size refers to the opening at the top of the gutters and not to the depth of the gutter channel. A k style gutter in the same inch width can handle twice as much water as a half round gutter.