Rock Hill, SC · Flat Roof

Flat Roof Contractors in Rock Hill, South Carolina

Commercial or residential flat roof — compare local roofing companies. 27 local roofers listed.

Short answer: Flat and low-slope roofs in Rock Hill are usually TPO ($5.50–$9 a sq ft installed), EPDM ($4.50–$8) or modified bitumen ($3–$7); the membrane lasts 15–25 years, mostly decided by how well the drains are kept clear. In Rock Hill: 8.7 heavy-rain days a year (1 inch+). Ask any roofer for a license number and a certificate of insurance.

Get a free quote See Rock Hill in numbers
  • 8.7heavy-rain days a year (1 inch+)
  • 46.1 inrain a year
  • 66days a year at 90°F or hotter
  • 35%of homes are not single-family houses

How much life is left in my Rock Hill roof?

Typical lifespans are published ranges for each material; for a Rock Hill house, real life also depends on installation, attic ventilation and the weather Rock Hill gets.

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Flat and low-slope roofs in Rock Hill perform reliably when drainage is maintained and membrane seams and penetrations are inspected annually — most flat roof leaks trace to neglected drains or failed seals around HVAC units and vents. Common flat roof systems in Rock Hill include TPO (heat-welded, energy-efficient), EPDM (durable rubber membrane), and modified bitumen — each with different cost, longevity, and maintenance profiles worth discussing with a local contractor.

Rock Hill in numbers

Public records for Rock Hill and its county, not estimates. Each figure shows its source.

  • #176of 209Rock Hill ranks #176 of the 209 cities we cover for share of homes built before 1980 (low end).
  • #51of 209Rock Hill ranks #51 of the 209 cities we cover for damaging thunderstorm-wind days.

Hail reports per year in the county

Hail events per year in the county, 2018 to 2025 4 2018 2 2019 2 2020 1 2021 9 2022 2 2023 4 2024 5 2025
Hail events per year in the county, 2018 to 2025
20184
20192
20202
20211
20229
20232
20244
20255

29 recorded events across 8 years represented in the data, about 3.6 per represented full year. 2022 had the most events among represented full years: 9.

Source: NOAA hail events, county level · data as of 2018–2025

Costliest storm day on record

Apr 20, 2024

6 reports that day (4 hail, 2 wind); reported property damage $26,500,000; county FIPS 45091, 2014–June 2026

Source: NOAA Storm Events · data as of 2014–June 2026

When storms hit Rock Hill

Hail reports by month in the county, all years combined 0 Jan 0 Feb 5 Mar 9 Apr 17 May 10 Jun 2 Jul 2 Aug 1 Sep 1 Oct 0 Nov 0 Dec
Hail reports by month in the county, all years combined
Jan0
Feb0
Mar5
Apr9
May17
Jun10
Jul2
Aug2
Sep1
Oct1
Nov0
Dec0

Most hail reports come in May; the season runs March to August. Book inspections and repairs before that window, not after.

Source: NOAA Storm Events · data as of 2014–June 2026

Roofing trade around Rock Hill

  • 15 roofing companies with payroll in the county, employing about 95 people; 80% have fewer than 5 employees.
  • A roofer's median pay here is $48,410 a year (Charlotte-Concord-Gastonia, NC-SC Metro Area).
Source: Census CBP · data as of 2023 Source: BLS OEWS, roofers · data as of May 2025

Rock Hill storm record: York County

What the National Weather Service logged in York County in 2014–2026. County level, because storm reports are filed by county, not by city limits.

  • 1852Founded
  • 676 ft (206 m)Elevation

Where hail of 1 inch or more was reported in York County

1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1 in hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.5 in hail1.5 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail1.75 in hail2 in hail2.75 in hail Rock Hill
  • 251 to 1.74 in
  • 81.75 to 2.74 in, golf ball to tennis ball
  • 12.75 in and up, baseball

Largest plotted stone: 2.75 in. Bigger dots are bigger stones.

34 reports of 1 inch or larger have coordinates. Each dot is a reported location, not a storm path.

Sources: NOAA, Census county outline

Biggest hail days

DateLargest hailReports that dayWhere it was reported
April 20, 2024 2.75 in, about the size of a baseball 4 York · $25 million damage
May 23, 2014 2 in, about the size of a hen egg 5 Ft Mill · $4 million damage
May 6, 2022 1.75 in, about the size of a golf ball 3 Mc Connells
“Multiple sources reported an almost continuous swath of very large hail ranging from 2-inch diameter up to baseball size from the city of York through the city of Rock Hill.”
National Weather Service report, April 20, 2024
Source: NOAA Storm Events Database · data as of 2014–2026

Last big hail on record

June 25, 2025

Hail of 1.75 inches (golf ball) or larger fell on 5 days in 2014–2026. Our records end where NOAA's do, so a newer storm may not be listed yet.

Strongest tornado

EF1 · May 22, 2020

It stayed on the ground for 6.49 miles and was up to 200 yards wide. NWS storm survey found that an EF1 tornado that began just southeast of Blacksburg in Cherokee County crossed into York County in Kings Mountain National Military Park crossing Piedmont Rd and Park Rd before moving out of the park in the area around Highway 161 N and Whitworth Rd.

Strongest thunderstorm gust

92 mph · April 20, 2024

Within a larger swath of wind damage, an especially intense downburst producing wind gusts of around 90 mph developed over the city of Rock Hill. Mostly minor structural damage due solely to wind occurred to hundreds of structures, mainly just south of the city center.

What it means for flat roof

Flat and low-slope roofs hold hail on the surface instead of letting it bounce. With 2.75-inch hail on record in York County, ask what membrane and cover board the contractor specifies.

Storm data: NOAA Storm Events (public domain). City facts: Wikidata (CC0).

What it costs in Rock Hill

Asphalt-shingle re-roof, 2,000 sq ft home, adjusted for Rock Hill labor and material prices. Your quote depends on roof size, pitch and scope.

That typical price is about 3.7% of the median Rock Hill home value ($267,400).

Source: Census ACS (Rock Hill city) · data as of 2019–2023

Full Rock Hill cost guide by material →

Roofers in Rock Hill, SC

27 listed, first 20 shown. Roofers we verified against a public registry come first.

This list covers roofing companies generally. Confirm flat roof experience, materials, insurance and current availability with each company. A Verified badge refers to the registry check, not a confirmed specialty.

Flat Roof in Rock Hill: questions

How do I find a flat roof company in Rock Hill?
PickARoofer lists roofing companies serving Rock Hill, SC. This is a general roofing directory; confirm flat roof experience and availability with each company. A Verified badge describes a separate registry check, not a confirmed service specialty or insurance check. Confirm scope, insurance and availability directly. Requests go to one contractor at a time, with up to three attempts; a response or start date is not guaranteed. Free for homeowners.
Should I repair or fully re-roof in Rock Hill?
Ask a roofer to document the damage and compare a written repair scope with a replacement estimate. Roof condition, remaining life, materials and the extent of damage affect the decision. Confirm any inspection fee before booking.
When is hail season in Rock Hill?
May is the worst month: 36% of the 47 hail reports NOAA holds for the county came then. Reports run from March to August. Book the inspection before March, while crews still have open dates.
How big does hail get near Rock Hill?
The largest hail NOAA logged near Rock Hill measured 2.75 inches, about the size of a baseball. Hail of an inch or more fell on 19 days in the same record. The biggest day was April 20, 2024, with 4 reports. The National Weather Service calls hail of 1 inch or larger severe; the bigger the stone, the more likely it is to crack a shingle.
How old are the homes in Rock Hill, and does it matter for the roof?
The median home in Rock Hill was built in 1995, and 33.2% of homes date from before 1980 (Census ACS). A roof on a home that old has often been re-covered at least once, so ask the roofer whether there is a second layer underneath: it changes the tear-off cost. The area sees about 51 freeze-thaw days a year, which loosens flashing and sealant.
What does roofing cost in Rock Hill?
For an average 2,000 sq ft home we model asphalt-shingle re-roof at $6,230 to $13,795 in Rock Hill, around $10,000 in the middle. That is about 3.7% of the median home value of $267,400. Your quote moves with roof size, pitch and how many layers come off.
How many roofing companies work around Rock Hill?
The Census Bureau counts 15 roofing companies with payroll in York County, employing about 95 people. 80% of them have fewer than five employees, so most quotes come from owner-run crews. A roofer's median pay is $48,410 a year (BLS).
How long does a flat roof last in Rock Hill?
A properly installed flat roof in Rock Hill lasts 15 to 25 years depending on material and maintenance. TPO and EPDM systems at the higher end; modified bitumen at the lower end without coating renewal. The biggest variable is drainage maintenance: a flat roof that drains properly and gets annual inspections reaches its rated lifespan; one with chronically clogged drains fails years early. Commercial buildings and multi-family properties benefit from a maintenance agreement that includes two drain clearings per year.
What is the difference between TPO, EPDM, and modified bitumen for Rock Hill properties?
TPO (thermoplastic polyolefin) uses heat-welded seams and a white reflective surface — the current industry standard for new commercial and residential flat roofs, best for energy efficiency. EPDM (ethylene propylene diene monomer) is a rubber membrane installed with taped or adhesive seams — very durable and forgiving, widely used on residential flat roofs for decades. Modified bitumen is a reinforced asphalt sheet applied by torch or cold adhesive — economical and familiar to many local Rock Hill contractors, though it runs warmer than TPO and may require more frequent coating. Cost, pitch, and building type typically dictate the right choice — a Rock Hill flat-roof specialist can walk you through the tradeoffs for your specific structure.
Do I need a permit for flat roof in South Carolina?
Permit requirements depend on the property, scope of work and local jurisdiction. Check with the city or county building department and confirm who will obtain any required permit before work starts.

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Figures above: NOAA Storm Events Database (hail, wind, tornado; county of the city, 2014–2026), U.S. Census Bureau American Community Survey 5-year estimates (housing), NASA POWER (temperature and rain, 2014–2023). Prices: our published price method. How we collect data.