Powder Coating on Aluminum

Powder Coating Aluminum

Powder coating is a versatile, environmentally friendly finishing process suitable for interior or exterior applications. Powder coating aluminum products adds a durable layer of protection that you can customize to match your preferred thickness, texture and color. 

We believe that the right methods and materials matter. Powder coating cast aluminum requires advanced knowledge of metals, and any miscalculation can lead to surface damage,  corrosion, and challenges in achieving an even coat. 

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Powder Coating Aluminum Since 1986

At Keystone Koating, we have over 30 years of experience in powder coating cast aluminum, forged aluminum and other aluminum items. We have perfected our aluminum powder coating process to deliver outstanding results you can depend on for years of protection. For projects of any volume, we factor in the item dimensions, metals composition and the coating specifications to ensure a complete coat and even cure.

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Our Aluminum Powder Coating Process

Our aluminum powder coating process begins with a consultation to gain a clear understanding of your project goals. Your dedicated sales representative will discuss your specifications, explain our services and help you create a cost-effective solution that meets your needs. We can tailor our services to include:

  • Blasting: Our 72″W x 72″H x 228″L blasting cabinet removes debris and materials from your surface’s coating and creates microscopic scoring to develop a stronger bond with your primer or powder coat. For aluminum products, we use abrasives designed to treat your surfaces without causing damage.
  • Pretreatment: Our eight-stage pretreatment system cleans residues from your surfaces for a smooth application, applies a chrome-free seal to protect from corrosion, uses silane technology to strengthen your bond and much more. This system is eco-friendly and meets AAMA 2604 and AAMA 2605 standards.
  • Priming: Primer adds additional protection to your products and will provide up to four times greater protection from weather and wear when used for exterior applications. We use a specialized non-zinc primer designed to add resilience and develop stronger bonds.
  • Coating: After masking your surfaces, we apply your choice of powder in the texture, millage and color you want. We have many aluminum coating options. We can produce high-volume orders of high-quality products with exceptional turnaround times using a combined total of six systems, including batch setups and automatic lines.
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The Benefits of Powder-Coated Aluminum

Regardless of your industry or application, powder-coated aluminum offers multiple benefits, including:

  • Environmentally friendly: Our aluminum powder coating process uses products and materials designed for a reduced impact on the environment.
  • Increased durability: Powder coating provides enhanced resistance to wear for a lasting appearance and protection from the elements.
  • Fast completion: From start to finish, the aluminum powder coating process allows for rapid production with expedited preparation, application and curing times.

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Have a question about our aluminum powder coating services in your area? Check out our most popular questions to learn more! 

Our Most Frequently Asked Questions 

The best powder coating often depends on the specifics of your project. You can choose from several powder coatings, including epoxy, polyester and fluoropolymer. Whichever you choose should have the strengths and unique characteristics to succeed within your working environment. 

For example, epoxy coatings offer impressive strength against chemicals and corrosion, although they are limited to indoor use. Polyester, however, has a lower resistance to chemicals but offers a low cure time, which makes it extremely useful for outdoor applications in the sun. Finding the balance between what they can and can’t do is key to finding the perfect coating. 

Powder coating services are high-quality and cost-effective. Pricing often varies from a few hundred dollars to a few thousand, depending on several factors such as the project size, quantity of parts and any prep work required. It’s important to speak with a professional to better understand how much your powder-coated aluminum project will cost. 

With the right maintenance and care, a powder coating will typically last between 15 and 20 years. However, depending on the type of coating and treatment process, this length of time can easily stretch to over 40 years. Powder coatings are extremely resilient additions to aluminum materials and provide durable protection against weather, chemicals, corrosion and much more. 

Yes, you can successfully paint over powder coatings. While these coatings are highly durable, professionals often paint over their coatings to touch up their materials after noticing scratches, fading or stains that can occur over time.

Spraying and brushing thin layers are viable strategies to apply paint evenly across a surface. Before getting started, cleaning the area to remove dirt, grease, moisture and other contaminants is a good idea. For products with chipping, you may need to use a sandblaster to prepare the area. 

Powder coating is available in almost every color you can imagine, including black, white, silver, brown, yellow, green, blue, purple and many others. Remember that atypical colors will require a custom order, which will likely extend your project timeline. 

When selecting colors, you should also consider the texture and gloss of your desired color. These factors will change how your materials appear during use. 

Powder coatings offer impressive resistance to abrasion, chemicals, vibration, humidity, weather and more. Despite their strength, they remain susceptible to damage from certain risks, such as: 

  • Salt water 
  • Sunlight 
  • Weather 
  • Temperature and humidity
  • Cleaning products

Certifications and Verifications

Keystone Koating provides high volume B2B powder coating services.

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A close up of a Keystone Koating employee spraying blue powder on product Keystone Koating employee spraying super durable polyester powder in demanding environment

Get a Free Powder Coating Quote Today

Trust our expert aluminum powder coaters at Keystone Koating to deliver you a quality finished product. We specialize in high-volume production, fast turnaround times and several value-added services. To learn more about enhancing your aluminum products with Keystone powder coating, request a free quote or contact us today.