Marietta, GA · Flat Roof

Flat Roof Contractors in Marietta, Georgia

Commercial or residential flat roof — compare local roofing companies. 30 local roofers listed.

Short answer: Flat and low-slope roofs in Marietta 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 Marietta: 10.5 heavy-rain days a year (1 inch+). Ask any roofer for a license number and a certificate of insurance.

Get a free quote See Marietta in numbers
  • 10.5heavy-rain days a year (1 inch+)
  • 52.6 inrain a year
  • 56days a year at 90°F or hotter
  • 44%of homes are not single-family houses

How much life is left in my Marietta roof?

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

Free flat roof quote

Your request goes to one roofer, not five competitors.

Free for homeowners · No spam · One contractor at a time

Request sent

Your request has been received. A roofing contractor who accepts it can contact you to confirm the work and availability.

Flat roofs in Marietta take the hardest hit from freeze-thaw cycling: water that infiltrates a membrane seam freezes, expands, and opens the joint further each winter — heat-welded TPO seams hold up better than taped or adhered laps in this climate. Common flat roof systems in Marietta 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.

Marietta in numbers

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

  • #21of 209Marietta ranks #21 of the 209 cities we cover for median home value.
  • #169of 209Marietta ranks #169 of the 209 cities we cover for largest hailstone on record (low end).
  • #169of 209Marietta ranks #169 of the 209 cities we cover for share of homes built before 1980 (low end).
  • #47of 209Marietta ranks #47 of the 209 cities we cover for yearly rainfall.

Hail reports per year in the county

Hail events per year in the county, 2018 to 2025 1 2018 3 2020 1 2021 2 2022 7 2023 3 2025
Hail events per year in the county, 2018 to 2025
20181
20203
20211
20222
20237
20253

17 recorded events across 6 years represented in the data. 2023 had the most events among represented full years: 7.

Years without a data row: 2019, 2024. Missing rows are not treated as zero; no annual average is shown.

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

When storms hit Marietta

Hail reports by month in the county, all years combined 0 Jan 0 Feb 1 Mar 6 Apr 1 May 6 Jun 1 Jul 3 Aug 7 Sep 1 Oct 0 Nov 0 Dec
Hail reports by month in the county, all years combined
Jan0
Feb0
Mar1
Apr6
May1
Jun6
Jul1
Aug3
Sep7
Oct1
Nov0
Dec0

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

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

Roofing trade around Marietta

  • 66 roofing companies with payroll in the county, employing about 379 people; 68% have fewer than 5 employees.
  • A roofer's median pay here is $49,100 a year (Atlanta-Sandy Springs-Roswell, GA Metro Area).
Source: Census CBP · data as of 2023 Source: BLS OEWS, roofers · data as of May 2025

Marietta storm record: Cobb County

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

  • 1834Founded
  • 1,129 ft (344 m)Elevation

Where hail of 1 inch or more was reported in Cobb 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 hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.5 in hail1.5 in hail1.75 in hail Marietta
  • 211 to 1.74 in
  • 11.75 to 2.74 in, golf ball to tennis ball
  • 02.75 in and up, baseball

Largest plotted stone: 1.75 in. Bigger dots are bigger stones.

22 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
September 12, 2023 1.75 in, about the size of a golf ball 5 Due West
August 5, 2022 1.5 in, about the size of a ping-pong ball 1 Sandy Plains
April 20, 2015 1.25 in, about the size of a half dollar 4 Elizabeth
“Quarter to ping-pong sized hail reported near intersection of East Piedmont Rd near Sandy Plains Rd.”
National Weather Service report, August 5, 2022
Source: NOAA Storm Events Database · data as of 2014–2026

Last big hail on record

September 12, 2023

Hail of 1.75 inches (golf ball) or larger fell on 1 day in 2014–2026. Our records end where NOAA's do, so a newer storm may not be listed yet.

Strongest tornado

EF1 · January 12, 2023

It stayed on the ground for 1.46 miles and was up to 150 yards wide. As a line of strong to severe thunderstorms moved through the west Atlanta metropolitan area and into southwest Cobb county, a brief tornado spun up near the intersection of Oak Ridge Rd and Oak Ridge Pkwy SW, which is about a half-mile to the north of I-20.

Strongest thunderstorm gust

81 mph · July 14, 2015

The most significant damage included approximately 60 trees snapped or up-rooted along Stilesboro Road and multiple trees downed in the Gordon Combs Road and Fallwood Drive areas.

What it means for flat roof

Flat and low-slope roofs hold hail on the surface instead of letting it bounce. With 1.75-inch hail on record in Cobb 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 Marietta

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

That typical price is about 2.5% of the median Marietta home value ($401,100).

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

Full Marietta cost guide by material →

What Marietta's climate means for flat roof

  • Marietta's freeze-thaw cycling works open membrane seams and flashing laps — heat-welded TPO seams outlast taped or adhered ones in this climate.

Roofers in Marietta, GA

30 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 Marietta: questions

How do I find a flat roof company in Marietta?
PickARoofer lists roofing companies serving Marietta, GA. 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 Marietta?
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 Marietta?
September is the worst month: 27% of the 26 hail reports NOAA holds for the county came then. Reports run from March to October. Book the inspection before March, while crews still have open dates.
How big does hail get near Marietta?
The largest hail NOAA logged near Marietta measured 1.75 inches, about the size of a golf ball. Hail of an inch or more fell on 13 days in the same record. The biggest day was September 12, 2023, with 5 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 Marietta, and does it matter for the roof?
The median home in Marietta was built in 1986, and 35.5% 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 49 freeze-thaw days a year, which loosens flashing and sealant.
What does roofing cost in Marietta?
For an average 2,000 sq ft home we model asphalt-shingle re-roof at $6,160 to $13,640 in Marietta, around $9,900 in the middle. That is about 2.5% of the median home value of $401,100. Your quote moves with roof size, pitch and how many layers come off.
How many roofing companies work around Marietta?
The Census Bureau counts 66 roofing companies with payroll in Cobb County, employing about 379 people. 68.2% of them have fewer than five employees, so most quotes come from owner-run crews. A roofer's median pay is $49,100 a year (BLS).
What flat roof problems are most common in Marietta's climate?
Freeze-thaw cycling attacks flat roof seams and flashing laps: water that infiltrates a membrane joint freezes, expands, and pries the joint further open each cycle. Heat-welded TPO seams are much more resistant to this than taped EPDM laps or torch-applied modified bitumen that relied on adhesion alone. After an ice season in Marietta, inspect all penetrations — HVAC curbs, plumbing vents, drains — where differential movement concentrates stress and where most freeze-thaw leaks start.
What is the difference between TPO, EPDM, and modified bitumen for Marietta 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 Marietta contractors, though it runs warmer than TPO and may require more frequent coating. Cost, pitch, and building type typically dictate the right choice — a Marietta flat-roof specialist can walk you through the tradeoffs for your specific structure.
Do I need a permit for flat roof in Georgia?
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.

More in Marietta

Flat Roof in nearby Georgia cities

All roofers nearby

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.