Bloomington, IL · Flat Roof

Flat Roof Contractors in Bloomington, Illinois

Commercial or residential flat roof — compare local roofing companies. 23 local roofers listed, 11 verified.

Short answer: Flat and low-slope roofs in Bloomington 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 Bloomington: 5.8 heavy-rain days a year (1 inch+). 11 of the roofers below have a license we checked; for any other, ask for a license number and a certificate of insurance.

Get a free quote See Bloomington in numbers
  • 5.8heavy-rain days a year (1 inch+)
  • 39.9 inrain a year
  • 6days a year at 90°F or hotter
  • 39%of homes are not single-family houses

How much life is left in my Bloomington roof?

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

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Under Bloomington's summer heat, a flat roof's membrane choice drives lifespan more than almost anything else: white TPO or a reflective coating keeps surface temperatures 40 to 60 degrees lower than dark EPDM and extends service life significantly. Common flat roof systems in Bloomington 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.

Bloomington in numbers

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

  • #48of 209Bloomington ranks #48 of the 209 cities we cover for freeze-thaw days.

Hail reports per year in the county

Hail events per year in the county, 2017 to 2026* 6 2017 2 2018 2 2019 2 2020 3 2021 3 2022 12 2023 3 2024 28 2025 5 2026*
Hail events per year in the county, 2017 to 2026*
20176
20182
20192
20202
20213
20223
202312
20243
202528
2026*5

66 recorded events across 9 full years plus 2026 to June represented in the data, about 6.8 per represented full year. 2025 had the most events among represented full years: 28.

2026 covers only January to June: NOAA's file ends there, so it is not counted as the worst year or in the yearly average.

Source: NOAA hail events, county level · data as of 2017–2026*

Costliest storm day on record

Jul 11, 2020

14 reports that day (12 wind, 2 hail); reported property damage $1,050,000; county FIPS 17113, 2014–June 2026

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

When storms hit Bloomington

Hail reports by month in the county, all years combined 1 Jan 3 Feb 7 Mar 15 Apr 33 May 12 Jun 6 Jul 3 Aug 2 Sep 0 Oct 1 Nov 0 Dec
Hail reports by month in the county, all years combined
Jan1
Feb3
Mar7
Apr15
May33
Jun12
Jul6
Aug3
Sep2
Oct0
Nov1
Dec0

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

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

Roofing trade around Bloomington

  • 6 roofing companies with payroll in the county, employing about 25 people; 67% have fewer than 5 employees.
  • A roofer's median pay here is $77,900 a year (Illinois).
Source: Census CBP · data as of 2023 Source: BLS OEWS, roofers · data as of May 2025

Bloomington storm record: McLean County

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

  • 1857Founded
  • 797 ft (243 m)Elevation

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

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  • 411 to 1.74 in
  • 141.75 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.

56 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
May 11, 2014 2.75 in, about the size of a baseball 3 Towanda
May 15, 2025 2.5 in, about the size of a tennis ball 26 Normal
April 19, 2023 2 in, about the size of a hen egg 7 Le Roy
“Large hail was prevalent with the cells...with stones up to 2.5 inches in diameter reported on the northwest side of Normal in McLean County. Thunderstorm wind gusts of 60-70 mph resulted in scattered wind damage across the area as well.”
National Weather Service report, May 15, 2025
Source: NOAA Storm Events Database · data as of 2014–2026

Last big hail on record

May 15, 2025

Hail of 1.75 inches (golf ball) or larger fell on 6 days in 2014–2026. Our records end where NOAA's do, so a newer storm may not be listed yet.

Strongest tornado

EF2 · December 1, 2018

It stayed on the ground for 2.44 miles and was up to 100 yards wide. A tornado touched down one mile south of Moraine View State Park at 7:18 PM CST. It tore off most of the roof of a house and destroyed an attached garage. An outbuilding and several trees were also damaged. The tornado quickly dissipated just east of Moraine View State Park at 7:20 PM CST.

Strongest thunderstorm gust

96 mph · July 15, 2024

An NWS Storm Survey found extensive damage to trees and a garage in McLean was the result of 80 to 95 mph straight-line winds.

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 McLean 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 Bloomington

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

That typical price is about 5.5% of the median Bloomington home value ($198,800).

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

Full Bloomington cost guide by material →

What Bloomington's climate means for flat roof

  • Reflective TPO or a white coating earns its premium in Bloomington, where dark membranes absorb punishing heat and age years faster.
  • Bloomington'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 Bloomington, IL

23 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 Bloomington: questions

How do I find a flat roof company in Bloomington?
PickARoofer lists roofing companies serving Bloomington, IL. 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 Bloomington?
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 Bloomington?
May is the worst month: 40% of the 83 hail reports NOAA holds for the county came then. Reports run from March to July. Book the inspection before March, while crews still have open dates.
How big does hail get near Bloomington?
The largest hail NOAA logged near Bloomington 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 May 11, 2014, with 3 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 Bloomington, and does it matter for the roof?
The median home in Bloomington was built in 1982, and 48% 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 95 freeze-thaw days a year, which loosens flashing and sealant.
What does roofing cost in Bloomington?
For an average 2,000 sq ft home we model asphalt-shingle re-roof at $6,790 to $15,035 in Bloomington, around $10,900 in the middle. That is about 5.5% of the median home value of $198,800. Your quote moves with roof size, pitch and how many layers come off.
How many roofing companies work around Bloomington?
The Census Bureau counts 6 roofing companies with payroll in McLean County, employing about 25 people. 66.7% of them have fewer than five employees, so most quotes come from owner-run crews. A roofer's median pay is $77,900 a year (BLS).
Which flat roof membrane holds up best under Bloomington's summer heat?
White TPO (thermoplastic polyolefin) is the dominant choice for new flat roofs in hot climates like Bloomington: its reflective surface keeps membrane temperature dramatically lower than dark EPDM, which absorbs heat and ages faster under intense sun. Modified bitumen with a granulated cap sheet is an older alternative that performs adequately but runs hotter. Whichever system you choose, plan for a reflective coating renewal on the manufacturer's recommended cycle — it extends membrane life and cuts cooling load in attic-adjacent spaces.
What is the difference between TPO, EPDM, and modified bitumen for Bloomington 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 Bloomington contractors, though it runs warmer than TPO and may require more frequent coating. Cost, pitch, and building type typically dictate the right choice — a Bloomington flat-roof specialist can walk you through the tradeoffs for your specific structure.
Do I need a permit for flat roof in Illinois?
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.