5-Inch vs. 6-Inch Gutters in Mauldin, SC

Not all gutters are the same size, and picking the right one matters more than most Mauldin homeowners realize. The wrong size overflows in heavy rain no matter how clean it is. With the sudden, intense thunderstorms the Upstate gets each summer, sizing your gutters correctly is one of the most important parts of the job.

The Two Common Sizes

5-inch K-style gutters are the standard on most existing homes. They handle the rainfall on average-sized roofs just fine and are the most economical choice.

6-inch K-style gutters are wider and deeper. They carry significantly more water — roughly 40% more capacity — and pair with larger 3x4-inch downspouts that drain faster and clog less.

Why Size Matters in the Upstate

Greenville County regularly sees fast, heavy downpours and the remnants of tropical systems. During those storms, a huge volume of water hits the roof in a short time. If the gutter can't move it to the downspouts fast enough, it sheets over the front edge — and a clean 5-inch gutter on a big roof simply can't keep up.

Bigger gutters and bigger downspouts move that water away before it overflows, protecting your fascia, siding, and foundation.

When to Choose 6-Inch Gutters

Large roof areas or long, steep roof planes that shed water fast
Homes that currently overflow even when the gutters are clean
Rooflines with few places to put downspouts
Metal roofs, which dump water faster than shingles
Homes under heavy tree cover, since the wider trough clogs less easily

Get the Sizing Right the First Time

Choosing between 5-inch and 6-inch comes down to your roof size, pitch, and how many downspouts the layout allows. We measure all of that during a free estimate and recommend the right system — no upsell, just what your roof actually needs.

We fabricate both sizes on site for homes across Mauldin and the surrounding area. To talk through your gutter installation, call Legacy Gutter Co. at 864-484-7655.

Frequently Asked Questions

Should my Mauldin home have 5-inch or 6-inch gutters?

It depends on your roof. 5-inch gutters work for most average-sized homes, but homes with large or steep roofs — or any home that overflows when the gutters are clean — should step up to 6-inch gutters. The 6-inch size carries about 40% more water and handles heavy Upstate downpours far better.

How much more water do 6-inch gutters hold?

Six-inch K-style gutters carry roughly 40% more water than 5-inch gutters, and they pair with larger 3x4-inch downspouts that drain faster and clog less. That extra capacity is what prevents overflow during sudden, heavy storms.

Are 6-inch gutters worth the extra cost?

For homes with big roofs or chronic overflow, yes. The added capacity prevents the overflow that leads to fascia rot and foundation drainage problems, which cost far more to repair than the modest price difference between the two sizes.

What size downspouts go with 6-inch gutters?

Six-inch gutters are typically paired with 3x4-inch downspouts. These larger downspouts move more water and are much less likely to clog with leaves and pine needles than the standard 2x3-inch size used on 5-inch systems.

5-Inch vs. 6-Inch Gutters: Sizing for Upstate Rain in Mauldin, SC