K-Style vs Half-Round Gutters: Which Should You Choose?
K-style gutters are on most American homes. Half-round gutters are the traditional alternative and cost a little more. Here is how they compare on price, looks and practicality.
The table
K-style vs half-round gutters, side by side
K-style
Half-round
Shape
Flat back and bottom, decorative front that looks like crown molding
A semicircle, like a pipe cut in half
Cost
The standard; base price
Adds $1 to $2 per linear foot
Common size
5 inch on most homes; 6 inch for big roofs or heavy rain
For most Triangle homes, a 5 or 6 inch seamless aluminum K-style gutter is the practical answer. The flat back sits tight to the fascia, it fits standard downspouts and it is the price baseline.
Half-round is worth it for the look on a historic or craftsman home, especially in copper. Check sizing with your roofer, since the shape carries water differently. See our gutter sizes guide and our gutter service.
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