Upgrade Your Commercial Property To A High Performing Roof For Lasting Results

Best Commercial Roofing Company In Chicago, Northwest Suburbs & Southwest Suburbs

Why Choose Promar Flat Roofing?

  • Family Owned & Operated For 23+ Years
  • We Do The Roof Right, The First Time
  • Reputable Five Star Reviews Across Google ☆☆☆☆☆ 

One Of The Most Experienced Commercial Roofing Company in Chicago & Suburbs

We’re proud to be one of the most experienced commercial roofing companies in Chicagoland. The roof on your commercial property, is the protective shield that prevents all sorts of weather: rain, snow, wind, and sometimes ever flying debris. 

As a trusted commercial roofing company serving our local Chicago Suburban community. we’re proud to offer high quality commercial roof replacement and our exceptional expertise to every job we approach. We have a vast knowledge on all the commercial roof types: Commercial EPDM, commercial TPO, commercial Modified Bitumen, commercial Metal Roofing, and commercial Asphalt Shingle Roofing. 

Turn to the professionals in the commercial roofing industry at Promar Flat Roofing, we’ll give you peace of mind as well as a commercial roof that will ensure you won’t need another roof for a long, long time. All our roofing materials are crafted for lasting performance and are installed by our seasoned professional roofing team. 

Whether you’re a seasoned commercial property owner looking to upgrade your roof, a new business owner eager to remodel, or planning on building new construction- Promar Flat Roofing has your back. We know there are many different materials out there to choose from. Allow Promar Flat Roofing to find you the roof that’ll best match your needs, your budget, and your vision for your commercial property.

Commercial Roof Options For Your Property


Commercial Flat Roof

Don’t know whether Modified Bitumen, EPDM, TPO, or Built-Up Roof is the right flat roof for you? Ask the experts, we can help. 


Commercial Asphalt Shingle Roof

Asphalt Shingle Roofs are today’s most popular and common roofing material used. Not only an economical option, they handle all four seasons with ease.


Commercial Metal Roofing

Metal roofs are incredibley strong and have outstanding longevity in addition to their unique look. Find out if it’s the right type of roof for your home or garage. 

Why Choose The Best Commercial Roofing Company ?

Promar Flat Roofing provides our community with the highest quality roofing products as well as commercial roof replacement and commercial roof installation that best suites your needs, your vision, and your commercial budget. 


Local Free Quotes

Serving Chicagoland since 2000, we have thousands of very satisfied customers. Check out our consistent five star Google Reviews and see how our commercial clients rave about our superior workmanship.


Highly Experienced Team

Our team has long term industry experience and are qualified to offer you their most honest assessment of what would best suite your needs for your home and commercial property.


23+ Years Of Industry Experience

At Promar Flat Roofing, we work together as a team and with a reputation for excellence we pride ourselves in offering top notch commercial roof replacement services.

Your Commercial Roof Replacement Process


Free Consultation

Once an appointment is scheduled, our professional roofing representative will arrive to your appointment and coordinate the details of your desired roofing project, your vision for your commercial building, and your budget. 



Your trusted representative will give you your free roofing quote with all the details discussed. 



When the material for your roofing project is ready, Promar Flat Roofing will give you a call to schedule an installation date. Our team will arrive on time, tear off the old roof, and professionally install the new one. 


Customer Satisfaction Guarenteed

Promar Flat Roofing will remove all debris and leave your commercial property looking clean and orderly. 

Time to enjoy your new roof and feel confident in the investment knowing that you hired the best roofers in Chicago, Illinois!

Discover Your Commercial Roof Options:

Flat Roof

Promar Flat Roofing Is Your Expert Flat Roof Roofing Contractor You Can Trust To Get The Job Done Right.

Deciding to fully replace your old flat roofing system on your commercial property is a significant decision. You know you want an affordable options that will last for many years to come, no matter the elements that come your way.

With decades of experience under our belt, you will see the unparalelled professional difference with our company,  Promar Flat Roofing. 

From TPO Roofs, EPDM Roofing, Built Up Roofs (BUR), to Modified Bitumen Roofs, our team is able to provide you an accurate quote for flat roof replacement with a seamless experience starting from your first phone call to scheduling a free quote all the way to when we tear off your old flat roof, replace it with a new one, and leave your commercial property clean and transformed. 

Flat Roofing Benefits

Metal Roof

A fire resistant roof that outlasts all the rest. Put a metal roof to the test!

Metal Roofing may not be the first type of roof option that crosses your mind when searching for the best roof replacement, but rest assured that this beautiful roof type is durable, reliable, and will likely last the rest of your life (talk about longevity!) 

When installed professionally, metal roofs require little to no maintenance, have low energy consumption, and bring an aesthetic quality that can’t compare to other roof options. The initial investment long outweighs any other roof on the market regardless if you choose the seamless metal roof panels or other metal roof options. 

Many home metal roof owners appreciate that fact that aluminum is much more fire retardant than traditional asphalt roofing materials as well as the fact that you will never need to hire a roofing contractor to conduct periodic inspection or to replace roofing panels- this just isn’t that kind of roof which brings us to the many benefits of installing a beautiful new metal roof on your commercial property.

Get a metal roof replacement quote by the best roofing contractor in Chicago & surrounding suburbs today.

Metal Roof Benefits

Asphalt Shingle Roof

One of the most popular and most common roof types around. 

Out of all the roofing systems available to commercial property owners, shingle roofs have long held their stand as the most popular option. 

Promar Flat Roofing offers top of the line shingle roof products that not only transform your home, but last for decades to come. Providing long term value to your commercial property that withstands the elements while offering peace of mind is what Promar does best. 

Get a new shingle roof quoted by the best roofers in Chicago and surrounding suburbs today.

Shingle Roofing Benefits

Here’s What Our Happy Commercial Roofing Clients Say About Us


"I've used Promar Flat Roofing on 3 different properties. The crew is great and they always have done good work at a competitive price. Our new commercial flat roof looks outstanding and I'm delighted with the workmanship. I highly recommend them- they're one of the best commercial roofing companies I've worked with."

Michael W.

Chicago Property Owner

"They did a great job installing a metal roof on our apartment complex. Professional and reliable. I'd be happy to do work with these guys again. They were the best commercial roofing company I've worked with to date."
Gilly E.
Commercial Building Owner
“Impressed with the whole process and the professionalism of Promar Flat Roofing and their staff. They installed a new asphalt shingle roof and aluminums soffit, fascia, and gutters- completed ahead of schedule. I was very impressed. Thank you!”
Nicole G.
Commercial Building Owner
"We can't say enough good things about this commercial roofing company. Promar Flat Roofing is professional, very reliable, and has a great work ethic. The Flat roof was installed flawlessly on the warehouse and it's a job well done- and worth your money."
Dan R.
Chicago Commercial Prop Manager

Need A Free Commercial Roof Estimate?

Request your FREE Commercial Roof Replacement Quote With Promar Flat Roofing, Today! We’re the best commercial roofing company in Chicago and the surrounding IL suburbs.

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