A Comprehensive Guide to Commercial Roofing in Chicago by Third Coast Exteriors

Navigating the vast landscape of Commercial Roofing can be a daunting task for any commercial property owner. With options ranging from Flat Roofs to Torch Down Flat Roofs and a multitude of other solutions, it’s crucial to understand the advantages, drawbacks, and applications of each system. The purpose of this comprehensive guide is to delve deep into the intricacies of Commercial Roofing in Chicago. We will dissect the spectrum of roofing products available and highlight the expertise of Third Coast Exteriors, a certified Chicago Roofing Contractor. Third Coast Exteriors stands out with its specialty in all commercial roof systems, providing high-quality installation, maintenance, and repair services.

The Cornerstone of Commercial Structures: Commercial Roofing

The role of Commercial Roofing extends far beyond merely providing a shelter over a commercial edifice. It encompasses the specialized materials and techniques used to create a robust, weatherproof seal atop commercial structures. Unlike the steep slopes typical in residential roofing, Commercial Roofing primarily deals with flat or low-slope roofs, necessitating unique products for effective weatherproofing. Regular upkeep in the form of Roofing Repairs or Flat Roof Repairs is pivotal in maintaining the roof’s longevity and its optimal functioning.

The Spectrum of Commercial Roofing Products: A Detailed Look

The selection of roofing products can considerably influence a roof’s durability, energy efficiency, and lifespan. In this segment, we’ll explore in detail the diverse range of Commercial Roofing products available in the Chicago market.

1. Built-Up Roofing (BUR): The BUR system, one of the most venerable and reliable commercial roofing methods, owes its toughness to its layered structure. Comprising multiple layers of bitumen and reinforcing fabrics, a BUR system forms a hardened finished membrane, resistant to various weather conditions. The application of BUR systems involves the use of hot asphalt, cold-applied adhesives, or coal tar pitch. The system’s top surface can be a mineral cap sheet, a gravel layer, or a weather-resistant coating, providing additional durability and protection.

2. Modified Bitumen Roofing: Modified bitumen represents a robust, weather-resistant type of flat roofing, born from the evolution of asphalt roofing. The addition of modifiers to asphalt lends it plastic or rubber-like properties, enhancing its resilience and flexibility. The installation of Modified Bitumen Roofing often entails using a torch to heat the material, ensuring a firm, waterproof bond with the underlying roofing layer, hence the term ‘Torch Down’ roofing. Modified Bitumen can also be installed using ‘cold process’ adhesives or self-adhering sheets, offering versatility in its application.

3. Thermoplastic Olefin (TPO) Roofing: TPO Roofing systems merge the sturdiness of EPDM rubber with the seam performance akin to hot-air weldable systems. Engineered to resist tears, impacts, and punctures, TPO roofing is a viable choice for a variety of commercial applications. The installation of TPO roofing involves mechanically fastening the material to the roof deck, followed by heat-welding the seams to form a reliable, waterproof bond.

4. Ethylene Propylene Diene Monomer (EPDM) Roofing: EPDM, a popular type of rubber roofing, is renowned for its durability, flexibility, and resistance to UV rays. EPDM roofing is typically installed in broad sheets, adhered to the roof deck using a specially formulated adhesive or mechanically fastened. The seams are then meticulously sealed using a specially-designed tape or adhesive to ensure an impermeable finish.

5. Polyvinyl Chloride (PVC) Roofing: PVC Roofing, a single-ply roofing solution predominantly used on commercial or industrial roofs, stands out with its resistance to chemical damage and its robust, flexible nature. In a process similar to TPO, PVC membranes are mechanically fastened, and then the seams are meticulously heat-welded together to form an impermeable layer.

6. Metal Roofing: Commercial Metal Roofing systems often employ corrugated galvanized steel, though more premium options like aluminum or copper are also used. The installation process involves overlapping the metal sheets and fastening them securely to the roof deck with screws. The seams and fasteners are then meticulously sealed with a special coating to stave off potential leaks.

These diverse roofing systems, each boasting its unique set of advantages, effectively cater to a broad spectrum of commercial roofing needs. The optimal roofing system for your specific project hinges on several key factors. These include the slope of your roof, the type of building, your allocated budget, and your long-term performance expectations.

Roofing Repairs and Flat Roof Repairs: An Essential Aspect of Commercial Roofing Maintenance

In the varied and often harsh climate of Chicago, maintaining the structural integrity of your commercial roof requires regular Roofing Repairs and Flat Roof Repairs. Proactive and professional repairs can help circumvent more significant issues down the line, such as leaks, energy inefficiency, and structural damage, protecting your commercial investment over time.

The Third Coast Exteriors Difference: Your Trusted Commercial Roofing Contractor in Chicago

Standing tall in the city of Chicago is Third Coast Exteriors, a premier Commercial Roofing Contractor known for its specialty in all commercial roof systems. With certifications from numerous manufacturers, we are in a unique position to offer extended warranties that most other roofing companies cannot match.

Our team of seasoned experts are adept at installing, maintaining, and repairing a vast range of commercial roofing types. These include but are not limited to Flat Roofs, Torch Down Flat Roofs, BUR, Modified Bitumen, TPO, EPDM, PVC, and Metal Roofing. Our blend of deep experience, state-of-the-art tools, and premium-grade materials ensure that we deliver a roof that not only meets but exceeds your business needs.

At Third Coast Exteriors, we believe in continual learning and improvement, staying on the cutting edge of the ever-evolving roofing industry. This commitment to excellence enables us to provide top-notch Roofing Repairs and Flat Roof Repairs. When you partner with us, you can rest assured that your commercial roofing investment is well-protected and maintained.


When contemplating Commercial Roofing in Chicago, making an informed decision that aligns with your building requirements and budget is paramount. Understanding the wide array of options—from Built-Up Roofing to Modified Bitumen, TPO, EPDM, PVC, and Metal Roofing—enables you to make the best choice for your commercial edifice.

Choosing Third Coast Exteriors means you are partnering with more than just a Commercial Roofing Contractor. We will be with you at every step of the way, from the initial consultation to the installation and routine maintenance. We are here to ensure that your roof performs at its peak, providing you the peace of mind knowing that your business is well-protected.

For Commercial Roofing, Chicago trusts Third Coast Exteriors. Reach out to us today to discuss your commercial roofing needs and discover how we can add exceptional value to your project.

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