Residential Gutter Sizes

They come in 5 inch to 6 inch widths.

Residential gutter sizes.

A larger size gutter system will generally be more expensive. Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Regardless of the gutter profile the shape of the gutter a gutter is measured from the back to the front at the widest part. K style gutters are the most common option and they provide optimum drainage for the majority of homes in most of the u s.

Most times these style gutters are installed with rectangular downspouts. Half round gutters move less water and allow for 2 500 square feet. Half round 5 inch 2 500 square feet 6 inch 3 840 square feet. Measure your gutter across the top from the back where the gutter meets the home to the outer edge.

Gutter size refers to the opening at the top of the gutters and not to the depth of the gutter channel. See photos below most residential gutters will measure approximately 5 inches across the top with the actual opening being approximately 4 5 inches. Most residential gutter systems use 5 gutters or 6 gutters. K style gutters have the capacity to move either 5 520 square feet for 5 inch gutters or 7 960 square feet for 6 inch gutters.

5 inch 5 520 square feet. Then use the chart below to see what size gutter you need. A k style gutter in the same inch width can handle twice as much water as a half round gutter.