Updated June 2026

Best Flat & Low-Slope Roofing Contractors in Omaha

The 4 best flat & low-slope roofing contractors serving Omaha, NE — independently researched and ranked. No paid placements.

Flat and low-slope roofing in Omaha relies on membrane systems — TPO, EPDM, modified bitumen, and built-up roofing — common on commercial buildings and many modern homes. The 4 contractors below were selected from our full Omaha top 10 as the strongest for flat & low-slope work, ranked by experience, manufacturer certifications, BBB standing, and verified reputation.

Omaha's climate stacks challenges onto flat and low-slope roofs that mild-climate cities rarely face. The Missouri River valley's humidity keeps membranes under sustained moisture exposure during warm months, while winter delivers freeze-thaw cycling that probes every seam and drain detail. These conditions favor fully adhered single-ply systems — TPO and EPDM — over mechanically fastened sheets, because adhered membranes eliminate the seam pockets that trap standing water and then expand under freeze pressure.

The city's commercial fabric includes a large inventory of postwar low-slope buildings across the downtown core and industrial corridors along I-80. Many of these carry built-up roof systems that have reached or exceeded their service life, and the most common replacement path today is TPO or modified bitumen recover, often installed directly over the existing substrate to avoid costly tear-off. Omaha also has a meaningful stock of older bungalows and multi-family structures with low-slope back-house additions and garage roofs where residential flat-roof demand originates.

Quick Comparison

Rank Company Specialty Experience BBB Website
1 McKinnis Roofing & Sheet Metal Best Overall Since 1981 A+ Accredited Visit
2 White Castle Roofing Best for Storm & Hail Damage Since 1985 A+ Accredited Visit
3 Ciaccio Roofing Best for Commercial & Flat Roofs Since 1987 A+ Accredited Visit
4 Anchor Roofing Best for Premium & Specialty Materials Since 2019 A+ Accredited Visit

Detailed Reviews

#2

White Castle Roofing

Best for Storm & Hail Damage
ExperienceSince 1985 (40+ Years)
BBB StatusA+ Accredited
SpecialtyResidential & Commercial
Service AreaOmaha, Lincoln & Grand Island, NE

White Castle Roofing was started in 1985 by Mike Hansen and Steve Biegert after a hailstorm hit the Lincoln area, and it has since grown into a multi-state operation with its Omaha office among its largest. The company installs Malarkey, CertainTeed, and Owens Corning shingle systems and handles both residential and commercial roofs, including metal and rubber membranes. Storm restoration and hail-damage claims have been a core focus since its founding.

Roof Replacement Storm Damage Restoration Roof Repair Commercial Roofing Metal Roofing Roof Coatings Siding Gutters
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#3

Ciaccio Roofing

Best for Commercial & Flat Roofs
ExperienceSince 1987 (35+ Years)
BBB StatusA+ Accredited
SpecialtyCommercial, Industrial & Residential
Service AreaOmaha–Council Bluffs Metro

Founded by Pete Ciaccio in 1987 and now run by the third generation, Ciaccio Roofing is one of Nebraska's most established commercial and industrial roofing contractors. The company is the largest Duro-Last contractor in the state and specializes in low-slope and flat membrane systems including TPO, EPDM, and modified bitumen, as well as metal, tile, and slate. It serves the Omaha–Council Bluffs metro and travels nationwide for commercial clients.

Commercial Roofing Flat Roofing TPO / EPDM Membrane Duro-Last Systems Roof Repair Roof Maintenance Metal Roofing Residential Roofing
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#4

Anchor Roofing

Best for Premium & Specialty Materials
ExperienceSince 2019 (5+ Years)
BBB StatusA+ Accredited
SpecialtyResidential & Commercial
Service AreaGreater Omaha

Anchor Roofing has served Omaha since 2019 and works as an authorized applicator for an unusually broad range of premium systems, including Owens Corning (Platinum Contractor), CertainTeed, DaVinci Roofscapes, EcoStar, Carlisle SynTec, and Sika. The company handles residential and commercial roof replacement and repair plus gutters, siding, storm-damage repair, and multi-family roofing across the greater Omaha area, and is BBB accredited with an A+ rating.

Roof Replacement Roof Repair Storm Damage Repair Commercial Roofing Multi-Family Roofing Siding Gutters Sealcoating
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When Flat & Low-Slope Roofing Makes the Right Call in Omaha

A commercial building's built-up or modified bitumen system is nearing end of life

Omaha's postwar commercial building stock is aging, and many original built-up systems are long past their designed service interval. When core cuts show moisture in the insulation layers or infrared scanning identifies wet areas, the decision point between recover and full tear-off arrives. Local membrane contractors familiar with Omaha's substrate conditions — including vapor retarder requirements driven by Nebraska's cold winters — are best positioned to assess which path delivers the better long-term value.

A residential addition or garage has inadequate slope for shingles

Omaha's older Dundee, Benson, and Aksarben neighborhood homes frequently have rear additions or detached garages built to slopes that cannot reliably shed water under shingles. A fully adhered EPDM or TPO membrane is the correct solution for these surfaces and, when properly detailed at parapets and penetrations, can serve as long as the building itself. Proper drain placement is the most common failure point — it should be addressed at design, not as an afterthought.

Freeze-thaw cycling has compromised existing membrane seams

Nebraska winters cross the freezing point repeatedly through a typical season. Any flat roof that retains standing water — even shallow ponding — is at risk of membrane fatigue at seams and flashings as that water freezes, expands, and thaws. If existing seams show lifting or blistering after winter, a full membrane assessment before the next storm season is advisable rather than isolated spot-patching, which tends to shift stress to adjacent seam sections.

Frequently Asked Questions

How many flat & low-slope roofing contractors are in Omaha?

Our directory lists 4 independently verified flat & low-slope roofing contractors serving Omaha, Nebraska, ranked by experience, certifications and reputation. McKinnis Roofing & Sheet Metal is ranked #1. There are no paid placements.

How do I choose a flat & low-slope roofer in Omaha?

Confirm licensing and insurance for Nebraska, ask for flat & low-slope project references in Omaha, get multiple written quotes, and check each contractor's BBB standing. Every company listed here has been independently researched.

How does Nebraska's cold winter climate affect flat roof membrane performance?

EPDM remains flexible at low temperatures and is a long-standing choice for cold-climate flat roofing precisely because it does not become brittle in subzero conditions. TPO also performs well in cold climates when heat-welded seams are executed correctly at the time of installation. Modified bitumen offers good low-temperature performance when specified in the SBS-modified grade. The key variable in Omaha winters is seam integrity: all three systems perform well when seams are properly formed; none tolerates seam defects through repeated freeze-thaw cycling.

Is a flat roof recover or full tear-off better for Omaha commercial buildings?

Recover is cost-effective when the existing substrate is dry and structurally sound, which an infrared scan and core sampling can confirm. Nebraska's building code permits a limited number of recover layers, and local permit requirements should be verified before committing to this path. When moisture is present in the insulation or the deck shows deterioration, tear-off and full replacement deliver a longer service life and a clean warranty basis — the short-term saving of recover is outweighed by the likelihood of continued moisture-related failure.

What drainage detail matters most on an Omaha flat roof?

Interior drains with emergency overflow scuppers are the preferred configuration for Omaha's commercial flat roofs. Summer storms can deposit rainfall quickly enough to overwhelm an undersized primary drain, and a blocked drain combined with standing water creates structural loading risk and membrane stress. Scuppers should be located well below the parapet cap elevation to activate before ponding depth becomes critical. Drain inspection and clearing at the end of leaf-fall season is a simple maintenance step that pays disproportionate dividends.

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