How Long Do Flat Roofs Typically Last?

A commercial flat roof installed by Rodd Roofing in Vermont

Flat Roof Lifespan:

How Long Can You Expect Your Roof to Last?

If your commercial building has a flat roof, you might wonder how long you can expect it to last. The answer depends on a few factors, including the materials used, the quality of installation, and how well the roof is maintained. Flat roofs can be a great choice for commercial properties, but their lifespan can vary. Let’s break down the most common flat roofing materials and how long they typically last.

EPDM Roofing: Long Lasting & Low Maintenance

Ethylene Propylene Diene Monomer (EPDM), commonly known as rubber roofing, is a popular flat roofing option. It’s known for its durability and low maintenance needs. If properly installed and maintained, an EPDM roof can last anywhere from 20 to 30 years, and sometimes longer. EPDM is resistant to weather damage, including UV rays, which helps extend its lifespan. Regular inspections and timely repairs can help maximize the life of your rubber roof.

TPO Roofing: Affordable & Efficient

Another widely-used material for flat roofs is Thermoplastic Polyolefin (TPO). TPO roofs are prized for their energy efficiency, as their reflective surface helps reduce heat absorption, keeping your building cooler. In terms of lifespan, a well-installed and maintained TPO roof will last about 15 to 25 years. While slightly shorter than EPDM, the lower cost and energy savings make TPO an appealing option for many commercial properties.

PVC Roofing: Durable & Resistant

Polyvinyl Chloride (PVC) roofing is another common choice for flat roofs, especially in areas that experience extreme weather conditions. PVC is highly resistant to chemicals, fire, and wind, making it a durable option for flat roofs. A PVC roof can last anywhere from 20 to 30 years, but with proper maintenance, it could last even longer. PVC tends to be a bit more expensive upfront than EPDM or TPO, but its durability can offer long-term savings.

Factors That Impact Lifespan

The material isn’t the only factor that determines how long your flat roof will last. Installation quality is crucial—an improperly installed roof may need frequent repairs or early replacement. Maintenance is also key. Regular inspections to check for leaks, cracks, or punctures will help you catch small issues before they turn into major problems.

On average, a flat roof can last anywhere from 15 to 30 years, depending on the material, installation, and maintenance. Working with a reputable roofing contractor and scheduling regular inspections will ensure that your roof reaches its maximum potential lifespan.

A commercial flat roof with snow on it in Vermont

How Severe Winter Weather Can Affect Commercial Roofs and How to Prepare

January 2, 2025
Learn how severe winter weather impacts commercial roofs and discover essential steps to prepare and protect your building this season.
TPO roofing membrane installed by Rodd Roofing on a building in Vermont

Why TPO Membrane Is the Fastest Growing Choice for Commercial Roofing

December 26, 2024
Find out why TPO membrane roofing is a top choice for commercial buildings, offering energy efficiency, durability, and eco-friendly benefits at a budget-friendly price.
A commercial flat roof under construction by Rodd Roofing in Vermont

How Long Should Your Commercial Roof Actually Last?

December 19, 2024
Learn the expected lifespan of common commercial roofing materials and discover maintenance tips to help your roof last longer and avoid costly repairs.
A Rodd Roofing employee applying a silicone roof coating to a commercial roof in Vermont

Why Silicone Roof Coating Restoration?

December 12, 2024
Discover how silicone roof coating restoration protects and extends your roof’s life, reduces energy costs, and offers a cost-effective alternative to replacement.
A brown Vermont house in the winter with snow on the roof and gutters

Steps to Prep Your Roof and Gutters for Winter

December 5, 2024
Get your roof and gutters ready for winter with these essential prep steps, plus learn why hiring a professional is key to protecting your home.
The roof of a commercial building under construction in Vermont

Maintenance Tips for Commercial Roofs

November 27, 2024
Learn essential maintenance tips for commercial roofs to prevent costly repairs, extend roof lifespan, and keep your building protected.
A roofer from Rodd Roofing is kneeling down on a commercial flat roof

Cost-effective Roofing Systems for Commercial Buildings

November 13, 2024
Check out some of the most cost-effective roofing systems for commercial buildings, balancing affordability, durability, and long-term savings.
A metal retrofit roofing system and a roofer applying liquid applied roofing membrane to a roof

Metal Retrofit vs Liquid Applied Membrane: Which is Right for Your Commercial Business?

November 6, 2024
Discover the key differences between metal retrofit and liquid applied membrane roofing systems to find the best solution for your commercial building.
A copper roof, a slate roof, and a wooden roof installed by rodd roofing.

3 Types of Roofing to Make Your Home Stand Out

October 24, 2024
Explore three standout roofing options—copper, slate, and wood shingles—that can enhance your home’s aesthetic and durability, making it a standout feature in your neighborhood.
A severely damaged roof in Vermont with many shingles missing.

The Hidden Costs of Neglecting Roof Maintenance

October 17, 2024
Learn how neglecting roof maintenance can lead to costly repairs, increased energy bills, water damage, and a decrease in property value, and why regular upkeep is essential for long-term savings.
More Posts
Share by: