Best Ways to Repair and Maintain Your Commercial Roof

Commercial roofing is designed and built to withstand years of wear and tear, hard use, and activity. However, nothing lasts forever, no matter how tough your commercial roof is! Sooner or later, your roof will need maintenance and repair, from stopping small leaks to more involved projects after the elements do their worst.  

No matter the extent of the damage, it's critical to stay on top of roof repairs to prevent minor issues from developing into costly disasters. In the guide below, we'll go over some of the most effective ways for business owners to keep their commercial roofing in good shape and protect the investment they've made in their buildings for years to come! 

What is Commercial Roofing?

At a functional level, commercial and residential roofing share a common purpose: protecting the building and its occupants from the outside world. The key differences between the two come from the different roofing materials, systems, and construction techniques roofers use when building or repairing them. There is a dizzying number of options when it comes to available styles and materials for your commercial roof, which makes designing and creating the ideal roofing solution for your building a simple matter of identifying your needs."¯ 

Flat Roofing Systems for Businesses

When it comes to modern roofing systems, flat roofing is by far the most common and versatile for use on commercial buildings. Business owners across the country value flat roofing systems for many reasons: they're affordable, easy to install, take less effort to maintain than traditional sloped roofing, and they provide additional space that can be used for utilities like HVAC or electrical systems, saving more room inside the businesses' valuable real estate. Flat roofing systems are also offered in countless styles and configurations, providing adaptability throughout your time in the building. 

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Common Commercial Roofing Materials

Just as there are advantages and disadvantages to asphalt shingles, tile, and other residential roofing materials, commercial roofing materials are designed to accommodate a wide range of uses, needs, and budgets. For example, while some roofing systems might be designed to reduce environmental costs and increase solar reflectivity, others might be focused on providing support for the weight of rooftop utilities and maintenance personnel. Take the time to determine your roofing needs, then weigh your options from some of the most common commercial roofing materials below."¯


EPDM is short for Ethylene Propylene Diene Monomer. In layman's terms, EPDM is a synthetic rubber roof made by mixing Ethylene and Propylene with natural gas and oil until it produces a highly durable and cost-effective roof coating. Typically available in black or white, EPDM has few seams, making it extremely resistant to leakage throughout its extensive lifetime. Additionally, its rubber nature makes it nearly impervious to fire damage, and it's been shown that EPDM can actually slow or stop the progress of a building fire! EPDM roofs are safe and relatively cheap to install, making them an excellent choice for commercial property owners."¯ 


PVC and TPO are both single-ply roofing styles. Despite that similarity, each of these materials has its own set of advantages to offer. PVC (Polyvinyl Chloride) roofs are incredibly strong and durable – the average life expectancy of a PVC roof is 20 years or more! Like EPDM roofing, PVC is heavily resistant to chemical and fire damage and has the distinction of being a certified Cool Roof material, meaning PVC is the ideal choice for keeping environmental costs low. These environmentally friendly roofs are also recyclable at the end of their long lifespan.  

TPO (Thermoplastic Polyolefin) roofing has its distinct pros as well – this rubberized roofing is among the cheapest options available, it's resistant to corrosion, mildew, and algae, and its commonly available white coloring makes it an excellent choice for keeping cooling costs low.

Built-Up Roofing (BUR)

Built-Up Roofing is installed using a layering method. Slices of asphalt, coal tar, and cold adhesive (known as bitumen layers) are laid down as the base, followed by sheets of hot asphalt and tar fabric. A top layer is then installed for an improved aesthetic, durability, and reflectivity. BUR roofs are waterproof and require very little maintenance, sparing the building owner the cost of frequent roof repairs."¯ 

Metal Roofing

Built-Up Roofing is installed using a layering method. Slices of asphalt, coal tar, and cold adhesive (known as bitumen layers) are laid down as the base, followed by sheets of hot asphalt and tar fabric. A top layer is then installed for an improved aesthetic, durability, and reflectivity. BUR roofs are waterproof and require very little maintenance, sparing the building owner the cost of frequent roof repairs."¯ 

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TPO commercial materials
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Best Ways to Upkeep Your Commercial Roofing

Proactive, rather than reactive, is the name of the game when it comes to commercial roof maintenance. Consistent and proper maintenance is essential to prevent minor repairs from spiraling into massive roof replacements. That's why we recommend scheduling regular roofing inspections and maintenance throughout the year and in normal conditions. If intense storms blow through, it's doubly as important to have a professional inspect your building for signs of roof damage that might otherwise go unnoticed. Finally, know and understand the type of roofing system your building has, and develop a long-term plan to protect your investment for the long haul. 

Preventative and Scheduled Maintenance

Ask any roofing professional, and they'll agree that regular maintenance is the number one strategy to prolong the life of your roof and keep it in the best condition. Don't wait until there's a disaster catch it while it's still just a minor issue by scheduling regular preventative maintenance throughout the year, especially as summer changes to winter and vice versa. Regular inspection is the best way to identify any necessary roof repair and address it before it becomes a roof replacement. 

After Storm Inspections by a Professional

If your area has taken some hits from severe weather, it's always a good idea to have your property's roof inspected by a professional to ensure there are no leaks, tears, or other signs of roof damage. If left unaddressed, small leaks can lead to untold amounts of water damage, mold growth, and even structural rot. Roof inspections after a significant storm can identify areas of your roof that need repair before they get worse. 

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Knowing Your Roof’s Age and Durability

Taking a little time to learn the age, durability, and materials of your commercial building's roof can go a long way toward helping you make effective decisions about when to repair or replace it. For example, if your existing roof is nearing the end of its lifespan, it could be just as, if not more, cost-effective to replace it before committing to a series of expensive repairs.  

On the subject of repairs, understand how your particular roofing system needs to be maintained and work up a regular maintenance plan to get the full value of your investment."¯With proper care, maintenance, and forethought, your commercial roof can be as much of a long-term investment as the building itself.  

If you're planning to stay in your facility for the foreseeable future, take the time to develop a maintenance plan for the long-term health of your roof. This includes regular yearly maintenance, milestone inspections, and estimations for when the cost of repairs could be subverted with a new roof. Having a long-term plan will help you stop countless roofing issues before they have a chance to do any real damage."¯"¯ 

Choosing the Right Commercial Roofing Contractor

Of all the steps you can take to repair and maintain your commercial roofing, choosing the right professional roofing contractor is one of the most important. Some businesses opt for the cheapest solution or don't check their roofing contractor's licenses and certifications before letting them onto the property. Mistakes from an unqualified roofing contractor can result in costly repairs or even total roof replacements. When it comes to commercial roof repair and installation, always verify the contractor you're considering to ensure they understand the ins and outs of commercial roofing."¯ 

PRQ is a Top-Rated Commercial Roofer in Colorado

Since 2014, business owners throughout Colorado have trusted PRQ Exteriors with their roof maintenance, replacement, and installation needs. Our team of professional roofers has developed a reputation with our clients and beyond for our quality craftsmanship, top-notch results, and superior customer service. We provide roofing services for every budget, and we'll work with you every step of the way to ensure your roof will stand strong and sturdy for years to come! 

PRQ Exteriors Denver, Colorado Roofing Contractor
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PRQ Exteriors sets the standard for roofing companies in the Denver area by providing quality roofing services and excellent customer service built on great communication. Since 2014, homeowners and business owners in Denver turn to us for trusted, professional roof repairs, replacement, and storm restoration. Use the form below to schedule a free roofing evaluation today.

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