Lawrence, KS · Flat Roof

Flat Roof Contractors in Lawrence, Kansas

Commercial or residential flat roof — compare local roofing companies. 25 local roofers listed.

Short answer: Flat and low-slope roofs in Lawrence 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 Lawrence: 7.8 heavy-rain days a year (1 inch+). Ask any roofer for a license number and a certificate of insurance.

Get a free quote See Lawrence in numbers
  • 7.8heavy-rain days a year (1 inch+)
  • 40 inrain a year
  • 34days a year at 90°F or hotter
  • 44%of homes are not single-family houses

How much life is left in my Lawrence roof?

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

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Under Lawrence'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 Lawrence 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.

Lawrence in numbers

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

Hail reports per year in the county

Hail events per year in the county, 2017 to 2026* 6 2017 9 2018 8 2019 1 2021 1 2022 8 2023 5 2026*
Hail events per year in the county, 2017 to 2026*
20176
20189
20198
20211
20221
20238
2026*5

38 recorded events across 6 full years plus 2026 to June represented in the data. 2018 had the most events among represented full years: 9.

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. Years without a data row: 2020, 2024, 2025. Missing rows are not treated as zero; no annual average is shown.

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

Costliest storm day on record

Jul 14, 2023

11 reports that day (10 wind, 1 hail); reported property damage $0; county FIPS 20045, 2014–June 2026

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

When storms hit Lawrence

Hail reports by month in the county, all years combined 0 Jan 0 Feb 4 Mar 9 Apr 7 May 8 Jun 2 Jul 9 Aug 17 Sep 0 Oct 3 Nov 0 Dec
Hail reports by month in the county, all years combined
Jan0
Feb0
Mar4
Apr9
May7
Jun8
Jul2
Aug9
Sep17
Oct0
Nov3
Dec0

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

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

Roofing trade around Lawrence

  • 11 roofing companies with payroll in the county, employing about 45 people; 73% have fewer than 5 employees.
  • A roofer's median pay here is $47,190 a year (Kansas).
Source: Census CBP · data as of 2023 Source: BLS OEWS, roofers · data as of May 2025

Lawrence storm record: Douglas County

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

  • 1854Founded
  • 866 ft (264 m)Elevation

Where hail of 1 inch or more was reported in Douglas 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 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 hail1.75 in hail2 in hail2.5 in hail2.5 in hail Lawrence
  • 361 to 1.74 in
  • 61.75 to 2.74 in, golf ball to tennis ball
  • 02.75 in and up, baseball

Largest plotted stone: 2.5 in. Bigger dots are bigger stones.

42 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 10, 2015 2.5 in, about the size of a tennis ball 6 Clinton
March 6, 2017 2.5 in, about the size of a tennis ball 2 Vinland
August 24, 2016 1.75 in, about the size of a golf ball 5 Lawrence
Source: NOAA Storm Events Database · data as of 2014–2026

Last big hail on record

April 27, 2026

Hail of 1.75 inches (golf ball) or larger fell on 4 days in 2014–2026. Our records end where NOAA's do, so a newer storm may not be listed yet.

Strongest tornado

EF3 · May 28, 2019

It stayed on the ground for 16.66 miles and was up to 1200 yards wide. This tornado appears to have formed just east of Lone Star Lake around 605 pm CDT where it absorbed a smaller circulation and associated tornado as it intensified and move northeast across Douglas county including areas just south and southeast of the city of Lawrence.

Strongest thunderstorm gust

90 mph · June 8, 2026

Multiple trees are down across roadways along with power lines in north Lawrence.

What it means for flat roof

Flat and low-slope roofs hold hail on the surface instead of letting it bounce. With 2.5-inch hail on record in Douglas 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 Lawrence

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

That typical price is about 3.7% of the median Lawrence home value ($269,500).

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

Full Lawrence cost guide by material →

What Lawrence's climate means for flat roof

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

25 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 Lawrence: questions

How do I find a flat roof company in Lawrence?
PickARoofer lists roofing companies serving Lawrence, KS. 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.
Will insurance pay for storm-related flat roof in Lawrence?
Coverage, deductibles and reporting deadlines depend on your policy and circumstances. Document damage safely, contact your insurer promptly and ask for a written repair scope. This directory cannot determine coverage.
When is hail season in Lawrence?
September is the worst month: 29% of the 59 hail reports NOAA holds for the county came then. Reports run from March to November. Book the inspection before March, while crews still have open dates.
How big does hail get near Lawrence?
The largest hail NOAA logged near Lawrence measured 2.5 inches, about the size of a tennis ball. Hail of an inch or more fell on 19 days in the same record. The biggest day was September 10, 2015, with 6 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 Lawrence, and does it matter for the roof?
The median home in Lawrence was built in 1988, and 39.3% 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 89 freeze-thaw days a year, which loosens flashing and sealant.
What does roofing cost in Lawrence?
For an average 2,000 sq ft home we model asphalt-shingle re-roof at $6,160 to $13,640 in Lawrence, around $9,900 in the middle. That is about 3.7% of the median home value of $269,500. Your quote moves with roof size, pitch and how many layers come off.
How many roofing companies work around Lawrence?
The Census Bureau counts 11 roofing companies with payroll in Douglas County, employing about 45 people. 72.7% of them have fewer than five employees, so most quotes come from owner-run crews. A roofer's median pay is $47,190 a year (BLS).
Which flat roof membrane holds up best under Lawrence's summer heat?
White TPO (thermoplastic polyolefin) is the dominant choice for new flat roofs in hot climates like Lawrence: 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 Lawrence 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 Lawrence contractors, though it runs warmer than TPO and may require more frequent coating. Cost, pitch, and building type typically dictate the right choice — a Lawrence flat-roof specialist can walk you through the tradeoffs for your specific structure.
Do I need a permit for flat roof in Kansas?
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.