Elastomeric Roof Coatings Explained:

What They Are & Why Commercial Roofs Benefit

If you manage a commercial property, you’ve likely come across the term “elastomeric roof coating.” But what exactly is it—and why is it such a popular choice for flat and low-slope commercial roofs?

An elastomeric roof coating is a liquid-applied membrane that forms a seamless, waterproof layer over your existing roof. Made from flexible polymers, elastomeric coatings have the unique ability to expand and contract with changing temperatures, which helps prevent cracking and leaks over time. Once cured, the coating creates a smooth, rubber-like surface that protects the underlying roof system from UV rays, wind, rain, and general wear and tear.

One of the biggest advantages of elastomeric coatings is their versatility. They can be applied over a variety of commercial roof types, including metal, modified bitumen, built-up roofing (BUR), EPDM, and even concrete. This makes them a go-to solution for restoring aging roofs without the cost and disruption of a full tear-off or replacement.

Another major benefit is energy efficiency. Elastomeric coatings are typically white or light-colored, which allows them to reflect sunlight and reduce rooftop temperatures. This can lower cooling costs in the summer and help maintain a more stable interior environment—especially important in large commercial or industrial buildings.

From a maintenance perspective, elastomeric coatings are relatively low-hassle. When properly installed and maintained, they can last 10–15 years or more. And when the time comes, they can be recoated to renew their performance without starting from scratch.

So, is an elastomeric roof coating right for your building? If your current roof is in generally good condition but showing signs of aging—such as minor leaks, ponding, or surface deterioration—a coating can be an excellent way to extend its life and protect your investment.

At the end of the day, elastomeric coatings offer commercial building owners a cost-effective, durable, and energy-efficient solution for roof restoration. And because the installation is fast and non-invasive, you can keep business running without major interruptions.

If you're considering an elastomeric roof coating, it’s best to start with a professional inspection. A qualified commercial roofing contractor can assess your roof and recommend the right solution based on your specific needs, climate, and budget.