Posted on August 28th, 2025

 

For anyone managing commercial properties, the complexity of choosing the right roofing system cannot be overstated. It's not just about picking a colored tile or material that looks nice from below; it's about ensuring long-term durability and meeting the specific needs that align with your building’s use and surrounding environment. 

 

The Essentials of TPO Roofing

TPO roofing, or Thermoplastic Olefin roofing, is one of the most widely used single-ply membranes for commercial flat roofing systems. It is made from a mix of polypropylene and ethylene-propylene rubber, reinforced with a scrim layer that strengthens the material. Available in multiple thicknesses, typically between 45 and 80 mils, TPO provides options depending on budget and building needs. Its surface reflects UV rays, making it a top performer for energy efficiency by reducing heat absorption. The advantages of TPO are worth highlighting:

• Energy efficiency: The reflective properties of TPO help reduce air conditioning costs during warm months.

• Seam strength: Heat-welded seams form watertight bonds that outperform taped seams in preventing leaks.

• Ease of installation: TPO membranes are relatively lightweight, making them quicker to install and minimizing labor costs.

• Cost-effectiveness: TPO offers a balance of durability and affordability, making it a practical choice for large commercial projects.

When properly manufactured and installed, TPO delivers strong protection and performance over its service life. Building owners often appreciate the combination of affordability and energy efficiency; however, it is important to choose a reputable manufacturer to guarantee consistent quality. Taken together, these features make TPO a reliable roofing system for many commercial applications.

 

Exploring EPDM Roofing Solutions

EPDM roofing, short for Ethylene Propylene Diene Monomer, has long been valued for its durability and longevity. Composed of synthetic rubber derived from oil and natural gas, EPDM is known for its ability to perform well under a wide range of temperatures—from extreme heat to deep cold. Its elasticity keeps it pliable and resilient in conditions that would stress less flexible materials. Here are notable benefits that set EPDM apart:

• Weather resistance: Its proven ability to withstand UV exposure, snow, and rain makes it suitable for many climates.

• Longevity: With proper upkeep, EPDM is one of the longest-lasting commercial roofing materials available.

• Installation versatility: It can be installed using adhesives, mechanical fasteners, or ballasted systems, adapting to different building needs.

• Lightweight nature: The material is easy to handle and does not place excessive weight on the building’s structure.

While EPDM offers many positives, there are also considerations. Its standard black color absorbs heat, though white coatings are available for reflective performance. It is also less puncture-resistant than reinforced membranes such as TPO, so protective measures during and after installation are important. 

 

The Durability of Built-Up Roofs

Built-up roofing systems (BUR) are one of the oldest commercial roofing methods, trusted for their robust performance. These roofs are constructed using multiple alternating layers of bitumen and reinforcing fabrics. The top layer is typically finished with gravel or a reflective coating to protect against UV rays. This layering produces a thick, waterproof membrane capable of withstanding harsh weather conditions.

The benefits of BUR systems can be summarized as follows:

• Exceptional waterproofing: Multiple layers reduce the likelihood of leaks.

• Impact resistance: Gravel surfacing protects against flying debris and heavy impacts.

• Long track record: BUR systems have been used for more than a century, demonstrating proven reliability.

• Customizable thickness: Additional layers can be added for greater durability and longevity.

These qualities make BUR an attractive choice for facilities exposed to heavy weather conditions or demanding environments. However, the installation process is more complex and labor-intensive, often requiring skilled crews and hot-applied techniques. BUR systems are also heavier than single-ply membranes, which means structural assessments may be necessary to confirm building compatibility. 

 

Comparing Commercial Roofing Options

Each roofing system—TPO, EPDM, and BUR—offers its own set of strengths, making the selection process dependent on the priorities of the building owner. Energy efficiency, longevity, budget, and structural capacity all play important roles in determining the right fit.

The comparison becomes clearer when breaking it down:

• TPO roofing: Best for businesses prioritizing energy efficiency and cost-effective installation.

• EPDM roofing: Suited to those who want long-term durability across a wide range of climates.

• Built-up roofing: Ideal for properties needing maximum waterproofing and impact resistance.

The right decision depends on your facility’s needs. A retail space with high cooling costs may benefit most from TPO’s reflective qualities. A warehouse exposed to freezing winters and summer heat could be better served by EPDM’s weather tolerance. Facilities in areas prone to storms may appreciate BUR’s multi-layer protection. Each option has trade-offs, but when aligned with building requirements, all three can deliver strong performance.

 

Choosing the Best Roofing for Your Commercial Building

Selecting the right roofing system is about aligning materials with both climate demands and business goals. For areas with heavy rain or snow, EPDM provides proven water resistance and flexibility in low temperatures. TPO is well-suited for sunny regions where reflective surfaces reduce cooling expenses. Built-up roofs may be the preferred option when durability against impact and weather is a top priority.

Budget also influences decisions. TPO may cost more initially than EPDM, but its energy efficiency can reduce utility bills in the long term. EPDM often appeals to those who want a lower upfront cost paired with low maintenance needs. Built-up roofing typically involves a higher initial investment and installation time, but the trade-off is decades of service with minimal issues.

 

Related: Insuring Your Roof Replacement: What Homeowners Need to Know

 

Conclusion

Commercial flat roofing options each bring their own set of advantages. TPO offers affordability with strong energy efficiency. EPDM stands out for its unmatched longevity and adaptability in varied climates. Built-up roofing provides layered protection and durability trusted for more than a century. Selecting the right system comes down to understanding your building’s needs, budget, and long-term goals.

At Tip-Top Roofing Solutions LLC, we know that a roof problem left alone doesn’t just drip—it snowballs into bigger bills, bigger headaches, and bigger risks for your business. Imagine walking into your building knowing your roof is solid, safe, and ready for any storm. Let’s make that your reality—schedule your commercial roof inspection today. Reach out to us at [email protected] or call (223) 267-9553. We’ll help you secure a roofing system that combines durability, performance, and peace of mind for years to come.