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Butler County, Pennsylvania

Gutter cleaning, repair and new gutters in Slippery Rock, PA

A normal year in Slippery Rock brings about 45 inches of rain; on roughly 9 of its days, an inch or more comes down at once. The wettest season is summer (June to August), with about 13.4 inches; the driest is winter (December to February), with 9.3. Every 1,000 square feet of roof sheds about 28,000 gallons a year, and all of it goes through the gutters.

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Slippery Rock: rain and roofs

NOAA station USC00368184, 1 mi
45.2 in
Rain in a normal year, Slippery Rock
NOAA normal, SLIPPERY ROCK 1 SSW
8.8
Days with an inch or more
a year
28,000 gal
Water off 1,000 sq ft of roof in Slippery Rock
0.62 gal per sq ft per inch
6.32 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 2
Oct 14
First fall frost
median date
1978
Median year homes were built
ACS 2020–2024
53%
Homes built before 1980
ACS 2020–2024
Winter9.3 in
Spring11.5 in
Summer13.4 in
Fall11.0 in

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

For days with an inch of rain or more, Slippery Rock ranks near the middle of the 975 places in Pennsylvania on this site (8.8 a year). By house age it falls among the newest by median year built of the 970 places in Pennsylvania on this site (half built by 1978). The first frost here ranks 134th earliest for the first fall frost of the 975 places in Pennsylvania on this site (October 14).

When to clean gutters in Slippery Rock

The first fall frost comes around October 14 in a typical year here, and the last spring frost around May 7 (median dates, NOAA normals). Plan the fall visit for after the frost, when the trees over the roof have finished dropping, and the spring visit for after the pollen and catkins.

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

Gutter and downspout size for Slippery Rock rain

Gutters are sized for the worst few minutes of a storm, not for the year. In Slippery Rock the five-minute rain expected about once in ten years falls at 6.32 inches an hour (NOAA Atlas 14 Volume 2). At that rate one 2-by-3-inch downspout drains about 1,140 square feet of roof and one 3-by-4-inch downspout about 2,280, 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.

The houses in Slippery Rock

Half the homes in Slippery Rock were built by 1978, 53% 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.

28% of households own their home, and 37% of homes are detached houses, 13% townhouses. Where an HOA governs the exterior, its rules on gutter color and style apply before any order is placed.

Hiring in Pennsylvania

Pennsylvania requires home improvement contractors to register with the Attorney General under the Home Improvement Consumer Protection Act. On contracts over $5,000 the deposit may not exceed one third of the price, and the homeowner can cancel within three business days of signing. Ask for the registration number and check it before signing.

Source: Home Improvement Consumer Protection Act, Act 132 of 2008. Look-up: Pennsylvania Attorney General, contractor registration search.

Gutter work in Slippery Rock

With half the homes built by 1978, 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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