If you're searching for a trusted Illinois roofing company to partner with for your upcoming specialty flat roofing project then look no further than the team of expert roofers at TomKat Roofing, Inc. We have over 35+ years of industry experience providing top-notch roofing services to homeowners and businesses in the entire state of Illinois. Since our Illinois roofing company was founded, we've been locally owned and operated in Streator, Illinois, and we intend to keep it that way! Our local roofs and down-to-earth approach to business means we understand your needs as a client.

Whether you need roofing repairs, installation, or replacement, we'll make sure you get the best roof in Illinois. Plus, TomKat Roofing, Inc. offers free estimates and inspections for all of our customers. We work with both homeowners for residential roofing services and businesses needing commercial or industrial roofing solutions.

Here are a few things you can look forward to when you work with our expert roofing contractors:

Free estimates

Product and service warranties

Manufacturer guarantees

Experts in Duro-Last, low slope, and metal roofs

Eco-friendly roof options rated by Energy Star

Top Rated roofs and specialty roofing

Garden roofs, welded metal roofs, and pond liners

Silicone roof coating restoration replacement roofs

American made roof options and custom made roofs

Award-winning customer service

Tax incentives and Eco-Friendly roofing options

When it's time to repair or replace your garden roof, you'll get the most from your investment by working with a top-rated Illinois roofing company like TomKat. We provide award winning customer service and use materials that have been voted America's recommended roofing products. Call us today to learn how you can get the best roof in Illinois!


Cooler Building Temperature

Duro-Last's advanced roofing system has been providing economic benefits to rural and urban buildings all over the world. A recent case study shows Duro-Last technology provides a "cool zone" that improved milk production of cows! Farmers are able to produce more milk with their cows, while also saving on average of $44,000 a year on operational costs and 90% of that is due to the benefits of our roofs!



Georgia Insitute of Technology houses over 700 faculty and more than 15,000 students under a roof of several hundred thousand square feet. With Duro-Last's cooling membrane roofing, Georgia Institute was able to seamlessly provide an Eco-friendly roofing footprint. While outside temps were over 93 degrees, the inside temp hovered at...

Tax Incentives

As of December of 2018 Congress passed a sweeping tax reform for commercial property owners when upgrading their roofing systems. They are about to instantly deduct 100% of the cost from their taxes up to $1 million! Take advantage of this expansion and upgrade your roof to a Duro-Last roof with TOMKAT Roofing, Inc.


Not every Illinois roofing company is made alike, so before you hire a contractor to work on such a valuable part of your home, you want to make sure they can handle the job. Here at TomKat, we're proud of our reputation as being expert roofing contractors in Central Illinois. We have the industry experience and use components that have been voted America's recommended roofing products. It's no wonder we're considered a top-rated Illinois roofing company!

When should you call an Illinois roofing company for Illinois roof repairs?

Here are a few warning signs to look out for:

  • Shingles are missing, cracked, or buckling

  • Shingles look dark or wet all the time

  • Exterior paint is bubbling or peeling off

  • Visible wear-and-tear around chimney, vents, and gutters

  • Ceiling leaks after a rainstorm

  • Dark spots or bubbling paint on interior ceilings

  • Shafts of light shining through the attic

  • Visible pond liner

  • Call us for trusted Illinois roofing repairs

TomKat Roofing, Inc., provides one-piece roofing solutions for businesses of all sizes and industries. Our expert roofing services include installing new roofs for newly constructed buildings, re-roofing existing commercial buildings, and fast Illinois roof repair for damaged industrial roofs.

If you're in the process of building a brand new building, our roofers will work alongside your architect and contractors to ensure the new roof meets all of your expectations and needs. We use top materials like pond liners and skrim. We also offer ongoing support in the form of maintenance and repairs so you can get the most out of your roof during its lifetime, although some of our roofing options are maintenance-free!


TomKat Roofing, Inc. was founded by Larry and Kathy Tombaugh in 1985. Started as a small, family business, Tomkat has now grown to 20 employees and counting and serves customers throughout the state of Illinois. Originally, TomKat specialized in installing foam roofs, Conklin coatings, and shingles. In 1990, Larry was introduced to the Duro-Last product, and it is now the number one product installed by the company. TomKat stands behind the Duro-Last product, and Larry was even elected to the Duro-Last Advisory Board in 1993 and served as Chairman in 1995.

Known for their professionalism as well as their high-quality work, TomKat has been recognized as an expert roofing company. TomKat's distinctions include the Elite Contractor Award, Century Club Award at Point Clear, AL, the Presidents Club Award, Admirals Club Award, Generals Club Award, and the 2004 ABC Excellence in Construction Award for a project completed at the Alamo II in Bloomington - Normal, IL.







Nancy H.

July 5th, 2019

Came the same day when called. Plagued with a problem for years. They identified the issue and corrected it right away. Wonderful customer service. Highly recommend.

Matt S.

April 29th, 2019

I can't tell you how many roofing contractors I have talked to before I found TOMKAT. They provided me with everything I needed and at a reasonable price too!

Steve F.

September 22nd, 2018

Great Company, fast bid, quick work. I would and do recommend them for sure.


Main Office: 1625 N. 18th Road,

Grand Ridge, IL 61325

Toll Free: 1 (800) 535-7663

Monday - Friday 8am - 5pm


  • Facebook
  • Twitter
  • Instagram
  • LinkedIn


Proudly serving these Illinois areas

North Illinois | East Illinois | South Illinois | West Illinois |

Central Illinois

2020 TOMKAT ROOFING, INC. | All Rights Reserved.