Dayton, OH · Flat Roof

Flat Roof Contractors in Dayton, Ohio

Commercial or residential flat roof — compare local roofing companies. 29 local roofers listed.

Short answer: Flat and low-slope roofs in Dayton 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 Dayton: 5.5 heavy-rain days a year (1 inch+). Ask any roofer for a license number and a certificate of insurance.

Get a free quote See Dayton in numbers
  • 5.5heavy-rain days a year (1 inch+)
  • 39.1 inrain a year
  • 5days a year at 90°F or hotter
  • 30%of homes are not single-family houses

How much life is left in my Dayton roof?

Typical lifespans are published ranges for each material; for a Dayton house, real life also depends on installation, attic ventilation and the weather Dayton 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 and low-slope roofs in Dayton 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 Dayton 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.

Dayton in numbers

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

  • #205of 209Dayton ranks #205 of the 209 cities we cover for median home value (low end).
  • #6of 209Dayton ranks #6 of the 209 cities we cover for share of homes built before 1980.
  • #169of 209Dayton ranks #169 of the 209 cities we cover for largest hailstone on record (low end).

Hail reports per year in the county

Hail events per year in the county, 2017 to 2025 10 2017 8 2018 2 2019 3 2020 11 2021 3 2022 2 2023 1 2024 5 2025
Hail events per year in the county, 2017 to 2025
201710
20188
20192
20203
202111
20223
20232
20241
20255

45 recorded events across 9 years represented in the data, about 5.0 per represented full year. 2021 had the most events among represented full years: 11.

Source: NOAA hail events, county level · data as of 2017–2025

Costliest storm day on record

May 27, 2019

5 reports that day (4 tornado, 1 hail); reported property damage $501,550,000; county FIPS 39113, 2014–June 2026

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

When storms hit Dayton

Hail reports by month in the county, all years combined 0 Jan 3 Feb 1 Mar 29 Apr 6 May 25 Jun 5 Jul 1 Aug 0 Sep 1 Oct 0 Nov 0 Dec
Hail reports by month in the county, all years combined
Jan0
Feb3
Mar1
Apr29
May6
Jun25
Jul5
Aug1
Sep0
Oct1
Nov0
Dec0

Most hail reports come in April; the season runs February to July. Book inspections and repairs before that window, not after.

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

Roofing trade around Dayton

  • 38 roofing companies with payroll in the county, employing about 255 people; 60% have fewer than 5 employees.
  • A roofer's median pay here is $51,410 a year (Dayton-Kettering-Beavercreek, OH Metro Area).
Source: Census CBP · data as of 2023 Source: BLS OEWS, roofers · data as of May 2025

Dayton storm record: Montgomery County

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

  • 1796Founded
  • 738 ft (225 m)Elevation
  • Jonathan DaytonNamed after

Where hail of 1 inch or more was reported in Montgomery 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 in hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.25 in hail1.5 in hail1.5 in hail1.5 in hail1.5 in hail1.75 in hail1.75 in hail Dayton
  • 301 to 1.74 in
  • 21.75 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.

32 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
June 18, 2021 1.75 in, about the size of a golf ball 11 Taylorsburg
April 9, 2015 1.75 in, about the size of a golf ball 9 Germantown
June 5, 2017 1.5 in, about the size of a ping-pong ball 8 Beavertown
Source: NOAA Storm Events Database · data as of 2014–2026

Last big hail on record

June 18, 2021

Hail of 1.75 inches (golf ball) or larger fell on 2 days in 2014–2026. Our records end where NOAA's do, so a newer storm may not be listed yet.

Strongest tornado

EF4 · May 27, 2019

It stayed on the ground for 18.17 miles and was up to 1050 yards wide. The tornado initially touched down just west of Brookville and areas on the south side of Brookville sustained heavy damage, consistent with high-end EF2 wind speeds. Numerous homes suffered significant roof damage and removal, including exterior wall collapse and complete garage destruction.

Strongest thunderstorm gust

75 mph · March 30, 2025

A roof was destroyed on one home while another home close by sustained significant shingle damage.

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 Montgomery 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 Dayton

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

That typical price is about 11.0% of the median Dayton home value ($93,200).

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

Full Dayton cost guide by material →

Roofers in Dayton, OH

29 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 Dayton: questions

How do I find a flat roof company in Dayton?
PickARoofer lists roofing companies serving Dayton, OH. 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 Dayton?
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 Dayton?
April is the worst month: 41% of the 71 hail reports NOAA holds for the county came then. Reports run from February to July. Book the inspection before February, while crews still have open dates.
How big does hail get near Dayton?
The largest hail NOAA logged near Dayton measured 1.75 inches, about the size of a golf ball. Hail of an inch or more fell on 12 days in the same record. The biggest day was June 18, 2021, with 11 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 Dayton, and does it matter for the roof?
The median home in Dayton was built in 1951, and 85.8% 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 94 freeze-thaw days a year, which loosens flashing and sealant.
What does roofing cost in Dayton?
For an average 2,000 sq ft home we model asphalt-shingle re-roof at $6,370 to $14,105 in Dayton, around $10,250 in the middle. That is about 11% of the median home value of $93,200. Your quote moves with roof size, pitch and how many layers come off.
How many roofing companies work around Dayton?
The Census Bureau counts 38 roofing companies with payroll in Montgomery County, employing about 255 people. 60.5% of them have fewer than five employees, so most quotes come from owner-run crews. A roofer's median pay is $51,410 a year (BLS).
How long does a flat roof last in Dayton?
A properly installed flat roof in Dayton 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 Dayton 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 Dayton contractors, though it runs warmer than TPO and may require more frequent coating. Cost, pitch, and building type typically dictate the right choice — a Dayton flat-roof specialist can walk you through the tradeoffs for your specific structure.
Do I need a permit for flat roof in Ohio?
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 Dayton

Flat Roof in nearby Ohio 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.