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What Purpose Do Metal Roof Coatings Serve?

January , 2024 | 7 min. read

By Cassie Findley

modern style home with flat metal roof

In the world of home maintenance, there are few things as vital as the roof over our heads. It's our first line of defense against the elements, and as such, it deserves the best care we can give. One way we homeowners with metal roofs can provide this care is through, drum roll please, metal roof coatings! These coatings serve a critical purpose in protecting and preserving the durability of our roofs.

At RoofCrafters, we’re happy to share that these coatings create a robust barrier that safeguards the metal from harsh weather conditions, preventing common issues such as rust and corrosion. They also play a significant role in enhancing the energy efficiency of your home. These coatings are designed to reflect sunlight rather than absorb it, helping to keep your home cooler during those hot summer months. I’m talking about you, Florida.

All of that being said, if you’re a homeowner with a metal roof and you’re looking for an innovative way to protect your home, or you’re simply bored and looking to kill some time, you’re in the right place. In just a few moments, you’ll learn all there is to know about metal roof coatings, the purpose that they serve, and how they’re a great addition to your roof. Let’s get started!

What Are Metal Roof Coatings?


standing metal roof on a sea foam color Florida home

Metal roof coatings serve as protective layers applied to metal roofs, enhancing their resilience and longevity. These coatings play a vital role in preventing issues like rust, corrosion, and leaks, while also providing insulation and reflecting sunlight to maintain a cooler building environment.

Available in various types, including acrylic, silicone, and elastomeric coatings, applying a metal roof coating proves to be an effective strategy for preserving and extending the roof's life. When considering metal roof coatings, homeowners should be aware of five key factors:

Protection: These coatings add an extra layer of defense against rust, corrosion, and leaks, contributing to the prolonged lifespan of the roof.

Energy efficiency: Some coatings possess reflective properties, reducing energy consumption by reflecting sunlight and cooling the building.

Cost savings: By preventing damage and extending the roof's life, coatings lead to cost savings for homeowners by minimizing the need for repairs and replacements.

Compatibility: It is crucial to select a coating compatible with the specific type of metal roof to ensure proper adhesion and effectiveness.

Maintenance: Coatings may require periodic maintenance and reapplication over time to sustain effectiveness.

All in all, metal roof coatings offer significant benefits for diverse homeowners. They are particularly advantageous for those seeking to safeguard and prolong the life of their metal roofs. Whether aiming to prevent rust and corrosion, reduce energy consumption, or save on repair costs, metal roof coatings prove to be a valuable option. Their added durability and insulation make them ideal for homeowners prioritizing long-term roof maintenance and energy efficiency.

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What Purpose Do Metal Roof Coatings Serve?


standing seam metal on hip and gable roofline with chimney chase in a valley

Metal roof coatings serve several important purposes to enhance the performance and longevity of metal roofs. Here are the 8 key purposes they serve:

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Protection: Metal roof coatings act as a protective layer, shielding the metal surface from elements such as rain, snow, and UV radiation. This protection helps prevent issues like rust and corrosion, extending the overall lifespan of the roof.

Waterproofing: These coatings create a waterproof barrier that prevents water from penetrating the metal surface. This is crucial for avoiding leaks and water damage inside the building.

Reflectivity: Some metal roof coatings have reflective properties that can bounce back sunlight. This reflectivity helps in maintaining a cooler temperature inside the building by reducing heat absorption, which is especially beneficial in warmer climates.

Energy efficiency: By reflecting sunlight and reducing heat absorption, certain coatings contribute to improved energy efficiency. This can lead to lower cooling costs for the building, making it more environmentally friendly and cost-effective.

Cost savings: Metal roof coatings can result in cost savings for homeowners by minimizing the need for repairs and premature replacements. The protective barrier they create helps prevent damage to the metal surface, reducing maintenance expenses over time.

Extended lifespan: The protective nature of these coatings contributes to the extended lifespan of metal roofs. By preventing corrosion and other forms of deterioration, they help maintain the structural integrity of the roof for a longer duration.

Enhanced durability: Metal roof coatings enhance the durability of the roof, making it more resistant to wear and tear. This is particularly important in harsh weather conditions or areas with high levels of pollution.

Compatibility: Choosing the right type of coating ensures compatibility with the specific metal roof material, promoting proper adhesion and effectiveness. This compatibility is crucial for maximizing the benefits of the coating.

Metal roof coatings play a multifaceted role in protecting, preserving, and improving the performance of metal roofs. They contribute to the overall efficiency, durability, and cost-effectiveness of the roofing system.

Why Should I Opt for Metal Roof Coatings?


5v screw-down metal roof on a Lowcountry style home

So, why should you opt for metal roof coatings? Well, for starters, they are a fantastic way to prolong the life of your roof. They form a protective barrier that shields the metal from the elements, reducing the risk of problems like rust and corrosion. This means you'll have to deal with fewer repairs over time and your roof will last longer.

These coatings can also significantly improve your home's energy efficiency. How? Well, many of them are designed to reflect sunlight rather than absorb it. This means your house stays cooler in the summer without you having to crank up the air conditioning. The result? Lower energy bills! Woohoo!

Not to mention, these coatings can also protect your roof from UV damage. Over time, exposure to UV rays can cause your roof to fade or even warp. A good quality coating will block these harmful rays, keeping your roof looking great for longer. They can also enhance the appearance of your roof, as they come in a variety of colors and finishes. So, you can choose one that complements your home's exterior. Pretty neat stuff, right?

Are Metal Roof Coatings a Good Option for My Home?


As you now know, metal roof coatings serve a crucial purpose in protecting and extending the life of your roof. They form a resilient barrier that shields your roof from the harsh elements, preventing rust and corrosion. This means fewer repairs and a longer lifespan for your roof. Plus, they help protect against UV damage, keeping your roof looking fresh and new for years to come.

They also play a significant role in energy efficiency. By reflecting sunlight instead of absorbing it, your home stays cooler in the summer, reducing the need for heavy air conditioning use. This means lower energy bills, making them a cost-effective choice in the long run. Many homeowners particularly like the aesthetic appeal that these coatings offer, as they’re available in a variety of colors and finishes, and they enhance the appearance of your roof and the overall exterior of your home. 

That being said, as a homeowner with a metal roof, opting for metal roof coatings can be a wise decision for you. They offer protection, efficiency, and aesthetic appeal, making them a worthwhile investment for your home. If you’re interested in learning more about your coating options, be sure to hit the “Schedule an Inspection” button down below, and one of our experts will walk you through your options!

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Cassie Findley

My name is Cassie, and I’m the Content Manager here at RoofCrafters. I was born and raised in Chicago, Illinois, and made my way out to Florida post-college graduation. I’m incredibly passionate about writing and creating valuable content that helps others with the collaboration of my marketing team. When I’m not working, I enjoy shopping (a little too much), spending time at the beach, and reading!