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Lowcountry rainfall and why gutter sizing matters.
Summerville averages around 50 inches of rain a year, and most of it falls in bursts — a six-inch summer afternoon thunderstorm dumps more water in twenty minutes than your gutters were ever sized for if they were spec'd for a drier climate. Undersized gutters overflow during exactly the storms you need them most.
We size every Summerville job for the actual roof area, pitch, and surrounding tree cover. Six-inch is our default on larger eaves and tree-canopied lots in Knightsville and Pine Forest. Five-inch is fine on smaller, open homes.