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Lake County, Illinois

Gutter cleaning, repair and new gutters in Grayslake, IL

A normal year in Grayslake brings about 36 inches of rain; on roughly 8 of its days, an inch or more comes down at once. The wettest season is summer (June to August), with about 11.4 inches; the driest is winter (December to February), with 6.0. Off a 1,000-square-foot roof, that comes to about 22,600 gallons a year for the gutters to carry.

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Grayslake: rain and roofs

NOAA station USC00113738, 4 mi
36.4 in
Rain in a normal year, Grayslake
NOAA normal, GURNEE PUBLIC WORKS
8.3
Days with an inch or more
a year
22,600 gal
Water off 1,000 sq ft of roof in Grayslake
0.62 gal per sq ft per inch
7.25 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 2
Oct 20
First fall frost
median date
1994
Median year homes were built
ACS 2020–2024
23%
Homes built before 1980
ACS 2020–2024
Winter6.0 in
Spring10.2 in
Summer11.4 in
Fall8.8 in

Bars to one scale; the longest is summer (June to August).

By heavy-rain days, Grayslake falls among the fewest heavy-rain days of the 695 places in Illinois on this site (8.3 a year). By the age of its homes it sits among the newest by median year built of the 695 places in Illinois on this site (half built by 1994). The first frost here ranks near the middle of the 695 places in Illinois on this site (October 20).

When to clean gutters in Grayslake

The first fall frost comes around October 20 in a typical year here, and the last spring frost around April 29 (median dates, NOAA normals). A fall cleaning set for the weeks after that frost, when the branches over the house are bare, gets the year’s leaves in one trip; a spring visit follows once the pollen and catkins have come down.

When to clean gutters explains how the trees over a roof change the schedule.

Gutter and downspout size for Grayslake rain

Gutters are sized for the worst few minutes of a storm, not for the year. In Grayslake the five-minute rain expected about once in ten years falls at 7.25 inches an hour (NOAA Atlas 14 Volume 2). At that rate one 2-by-3-inch downspout drains about 990 square feet of roof and one 3-by-4-inch downspout about 1,990, by the rule in the Copper Development Association’s design handbook. Try your own roof in the gutter and downspout calculator, which starts from this figure.

Grayslake averages about 43 inches of snow a year (NOAA normals). Snow on a roof brings ice dams: heat escaping from the house melts the snow, and the water refreezes at the cold eave, in the gutter and over it. University of Minnesota Extension puts the cause in the attic, not in the gutter, so a gutter that fills with ice is a symptom; hangers spaced to carry ice and a sound fascia are what the gutter itself needs.

The houses in Grayslake

Half the homes in Grayslake were built by 1994, 23% before 1980 (ACS 2020–2024). At that age a gutter has seen decades of leaves and storms, and the fascia it hangs from has too.

76% of households own their home, and 57% of homes are detached houses, 21% townhouses. Where an HOA governs the exterior, its rules on gutter color and style apply before any order is placed.

Hiring in Illinois

Before hiring in Grayslake, ask which Illinois license or registration the contractor holds and for a certificate of liability insurance. Hiring a gutter contractor

Gutter work in Grayslake

In a neighborhood with half its homes built by 1994, the usual calls are cleaning, guards and small repairs. The line takes all of it:

Nearby

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