Chicago Commercial Roofing

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Chicago Commercial Roofing Experts Specializing in Commercial Roof Repair and Replacement

Allendorfer Roofing has been a go-to roofing contractor in Chicago for over 50 years. We’ve worked on hundreds of roofs, and our roofing knowledge and products can put an end to any existing commercial roofing problems. All Commercial Roofing work that we do is by our completely in-house team.

Lanz Garcia
Lanz Garcia
Excelente trabajo
Joe Olivier
Joe Olivier
My front porch roof and gutters were destroyed by a fallen tree during a storm. I received three bids for the job and Allendorfer came in the middle, but they were the most thorough in terms of their written estimate. Work went smoothly once they received the deposit and the work was done very well. Communication with the office was great. I plan on working with Allendorfer in the future for any roofing and gutter work and will recommend to friends and family.
Dm Ws
Outstanding job. Did a 90' x 30' flat condo roof in the 60656 area. Starting work on a 40+ year disaster and left it a "shining gem". Commercial gutters, downspouts, rebuilt the chimney and installed a cap. Building is unrecognizable. The top floor can't say enough good things about the insulation and noise reduction. If you are looking for decent, honest people who know their stuff than please give them a chance. Fair pricing, top quality materials (not second hand knock offs) and punctual top notch performance. Thank you Rich and crew for an outstanding job, peace of mind, patience and a sense of humor.
Roger Clemson
Roger Clemson
Excellent roofers who were punctual, hardworking and did a great job fixing our roof. We recommend Allendorfer Roofing as a professional and honest company that does the job. Thank you Conrad and Richard and your roofing crew.

Years of Proven Commercial Roofing in Chicago

Allendorfer Roofing isn’t like any other roofing company in Chicago. The roofing products we use are from top quality manufacturers and have been around for over 30 years. The products we use on commercial roofing projects have been put to the test, and passed with flying colors. Our commercial roofs are built to withstand:

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Extreme Cold

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Extreme Heat

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Hail Storms

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Heavy Winds

Commercial Service & Maintenance Experts in Chicago

If you’re a commercial property owner or multi-facility manager, then you understand the importance of hiring the right roofing contractor to repair your damaged commercial roof. As one of the most experienced roofing contractors in Chicago and throughout the Chicagoland area, you can count on us to do the job right.

Our all-in-house commercial roofing team will work with you as the building owner, or with your property manager or maintenance supervisor. Our leadership team reviews every commercial project in order to bring the highest quality for your roofing system.

With immediate access to the latest roofing technology and a reputation for quality workmanship, Allendorfer Roofing can also install any kind of commercial roof system.

Restorations, leak repair, new construction, roof replacement and more – leave it to the experts. For commercial roofing needs, call (773) 463-7808 or fill out our contact form to get started.

Common Commercial Roofing Repairs

Our roofing experts at Allendorfer Roofing are skilled in roofing repairs and can pinpoint the exact problem with your roof and repair it in a timely manner. We understand the importance of your business and will work diligently to repair any leaks on your commercial roof. Some of the most common commercial roofing repairs we deal with are:


  • Punctures
  • Blisters
  • Declining Caulk
  • Bridging Walls
  • Clogged Drains
  • Open Seams
  • Ponding Water

Free Commercial Roof Inspection

We do provide free roof inspections for building owners to assess potential repair or maintenance work, but if you are looking to buy a building and need an inspection, then there would be a charge.

Can you provide references?

We can, and are happy to upon request. We often prefer to provide references as it’s one thing to look at online reviews, but we know that nothing really speaks like a satisfied customer.

Call (773) 463-7808 or fill out our contact form to get started.

How can a building owner recognize when a roof system has problems?

It can be difficult for most building owners to identify the root cause of a problem. It’s easy to tell that your roof is leaking, but not WHY it is leaking.


With our roofing knowledge and the products we offer, we can put an end to any existing commercial roofing problems.


Leaky roof? Hail damage? Strong winds tearing up the shingles on your home? We are here to assist home owners in the Chicago area.


We are dedicated to ensuring that our work is done on schedule for minimum downtime, and get you back to business as normal ASAP.


If you're interested in a roof repair or replacement and would like an estimate simply give us a call as we are more than happy to help.

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© 2023 Allendorfer Roofing Co Ltd.
IL LIC #104-000123
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