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Genesee County, Michigan

Gutter cleaning, repair and new gutters in Grand Blanc, MI

A normal year in Grand Blanc brings about 32 inches of rain; on roughly 5 of its days, an inch or more comes down at once. The wettest season is summer (June to August), with about 10.0 inches; the driest is winter (December to February), with 5.5. Every 1,000 square feet of roof sheds about 20,000 gallons a year, and all of it goes through the gutters.

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Grand Blanc: rain and roofs

NOAA station USC00203278, 6 mi
32.2 in
Rain in a normal year, Grand Blanc
NOAA normal, GOODRICH
4.6
Days with an inch or more
a year
20,000 gal
Water off 1,000 sq ft of roof in Grand Blanc
0.62 gal per sq ft per inch
6.02 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 8
Oct 14
First fall frost
median date
1972
Median year homes were built
ACS 2020–2024
72%
Homes built before 1980
ACS 2020–2024
Winter5.5 in
Spring8.7 in
Summer10.0 in
Fall8.0 in

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

By heavy-rain days, Grand Blanc falls among the fewest heavy-rain days of the 405 places in Michigan on this site (4.6 a year). Its housing ranks near the middle of the 406 places in Michigan on this site (half built by 1972). The first frost here ranks near the middle of the 406 places in Michigan on this site (October 14).

When to clean gutters in Grand Blanc

The first fall frost comes around October 14 in a typical year here, and the last spring frost around May 1 (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 Grand Blanc rain

Gutters are sized for the worst few minutes of a storm, not for the year. In Grand Blanc the five-minute rain expected about once in ten years falls at 6.02 inches an hour (NOAA Atlas 14 Volume 8). At that rate one 2-by-3-inch downspout drains about 1,200 square feet of roof and one 3-by-4-inch downspout about 2,390, 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.

With about 52 inches of snow in a normal year here (NOAA normals), gutters carry ice as well as water. Ice dams start with heat from the house melting roof snow that refreezes at the edge (University of Minnesota Extension); the fix for the dam is in the attic, and the gutter’s part is to be hung strongly enough to take the weight.

The houses in Grand Blanc

Half the homes in Grand Blanc were built by 1972, 72% 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. On a house built before 1978, replacing more than 20 square feet of painted fascia or trim falls under the EPA’s lead-safe rule, so ask whether the crew is certified.

56% of households own their home, and 54% of homes are detached houses, 8% townhouses. Where an HOA governs the exterior, its rules on gutter color and style apply before any order is placed.

Hiring in Michigan

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

Gutter work in Grand Blanc

With half the homes built by 1972, replacement gutters and the fascia behind them come up more often here than in newer suburbs. The line takes all of it:

Nearby

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