Metal Performance: How to Finish Strong

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Information about Metal Performance: How to Finish Strong

Phil Puccio

For homeowners looking for serious, low-maintenance performance and durability for the roof over their heads, metal is hard to beat.

High quality metal roofing coatings and coatings add even more utility by offering a wide range of benefits and style. The right coating can help achieve a desired look, address a specific problem, and even give a roof a long service life.

Still, going through all of the choices and considerations for metal roofing coatings can be confusing. There are also specific performance characteristics that encompass the variety of finishes available. For example, certain coatings labeled “cool” use special pigments that reflect infrared and UV rays. These cool coatings can help reduce heat build-up and reduce air conditioning requirements.

According to the Metal Roofing Alliance (MRA), the leading nonprofit representing the metal roofing industry for residential buildings, when choosing the metal roofing coatings available in the market, homeowners should consider the following:

Painted surfaces for metal roofs

Modern high-performance metal roof paints not only protect the roof, but also significantly increase the energy efficiency and longevity of a roof. In addition, high-performance paint systems offer a wide range of different looks and colors to meet the aesthetic needs of homeowners. High-quality metal roofs are supplied with a factory-baked paint finish, which also makes maintenance a breeze. Most manufacturers recommend simply rinsing them off with a hose and using at most a solution of mild soap and water to clean them.

High performance metal roof paint systems can provide a durable surface with improved gloss retention, excellent weather resistance, and reduced color fading. These paint systems should be applied to a metal substrate with a 0.2-0.3 mil primer and 0.7-1.2 mil topcoat.

Stone coated / granular metal roofs

For homeowners who love the look of traditional shingle roofing materials but want the lasting performance benefits of metal, stone clad metal roofs are an excellent choice. Starting with a base layer of metal (usually steel), the specially primed roof panels are first coated with an acrylate polymer adhesive and then the granular stone coating that connects the two is applied. Finally, a clear coat sealant is applied over the top for additional protection. This type of finishing gives homeowners all of the benefits of metal roofs, in addition to making the curbside extraordinarily attractive for their home.

Stone clad metal roofs can also be a solution for homeowners who live in areas where homeowners associations (HOAs) may not allow standing seam metal roofs. Because stone-clad metal roofs mimic traditional shingles so closely, they can meet certain design needs in the neighborhood while providing far better protection and performance compared to asphalt.

“As represented by our manufacturing members, homeowners have many industry-leading options for high quality metal roofing to choose from,” said Renee Ramey, Executive Director of MRA. “From outstanding curb appeal to long-term performance, there’s no doubt that choosing the right surface for your metal roof can make a big difference to your home.”

For more information on metal roofing, download the free MRA Metal Roofing Buyer’s Guide at

About the metal roof alliance

The Metal Roofing Alliance (MRA), which represents the metal roofing industry for residential buildings in the United States and Canada, was formed to educate consumers about the many benefits of metal roofing. For more information on MRA membership, resources and tools for metal roofing for residential buildings, please visit MRA at

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