
When it comes to high-performance finishing for lightweight metals, aluminum powder coating delivers exceptional results. Durable, attractive, and environmentally friendly, powder coating enhances aluminum’s natural benefits while providing additional protection from the elements, abrasion, and corrosion.
At Blucoat, we specialize in industrial powder coating for all types of aluminum parts and components. Unlike many other shops that avoid aluminum due to its unique preparation requirements, our facility is specifically equipped to handle aluminum the right way. With a dual-stage washer designed for both ferrous and non-ferrous metals, we ensure aluminum is cleaned, treated, and coated to the highest standard.
Based near Milbank, South Dakota, Blucoat serves commercial and industrial customers across the Upper Midwest, including South Dakota, North Dakota, Minnesota, and beyond. Contact us to learn more about our powder coating services or get started on your project.
Why Aluminum Powder Coating Requires Special Handling
Aluminum is known for its lightweight strength and natural corrosion resistance, but it poses unique challenges when it comes to powder coating. The surface of aluminum oxidizes quickly, forming an invisible barrier that can interfere with adhesion if not properly removed or converted.
That’s why many shops avoid aluminum or treat it the same way as steel, which can lead to coating failures.
What Makes Aluminum Different?
- Aluminum forms a tight oxide layer that resists bonding
- Improper surface prep can cause bubbling, flaking, or poor adhesion
- It requires a specific chemical pretreatment, different from steel
At Blucoat, we’ve invested in a custom dual-stage washer system that includes separate cycles for aluminum and other metals. This allows us to switch processes and deliver the best preparation for each material.
Learn more about metal powder coating.
Our Aluminum Powder Coating Process
Blucoat follows a detailed powder coating process tailored specifically to aluminum substrates:
Step 1: Initial Inspection & Part Evaluation
We begin by assessing the part type, geometry, usage, and finish requirements. This ensures the process we follow delivers both the performance and visual appeal you expect.
Step 2: Surface Preparation
Proper powder coating preparation is essential for aluminum. Our facility features a dual wash system with separate chemistry for aluminum vs. steel, so we can apply the correct treatment to ensure adhesion.
- Aluminum wash stage: removes surface oxides and etches the surface to prepares for conversion
- Zirconium conversion coating: provides superior adhesion and corrosion resistance
- Dry-off oven: eliminates residual moisture before coating
This system ensures aluminum parts are fully prepped for coating without cross-contamination from steel wash chemistry.
Step 3: Powder Application
Our automated conveyor line and Lesta robotic sprayers ensure even, accurate powder coverage across every aluminum surface. Whether you’re coating extrusions, frames, or complex weldments, we deliver consistent film build and professional finish quality.
We stock a wide variety of powder coating colors and finishes, including:
- Smooth, matte, satin, or gloss
- Textured or wrinkle finishes
- Metallic, hammered, and specialty effects
- Clear topcoats for raw aluminum aesthetics
Step 4: Curing
Once coated, aluminum parts are moved through our oven and cured at a temperature suited to the powder formula. The result is a smooth, fused coating that resists:
- UV degradation
- Scratches and chips
- Corrosion and chemical exposure
Our precise curing cycle ensures aluminum parts maintain their strength and finish integrity.
Step 5: Inspection and Packaging
After cooling, parts are inspected for consistency, coverage, and color accuracy. We then package parts for shipping or perform any required pre-shipping assembly. Special skids or protective wrap can be provided as needed.
Applications for Aluminum Powder Coating
Aluminum is used across a wide variety of industries due to its lightweight strength and corrosion resistance. Blucoat provides powder coating services for aluminum parts in:
- Transportation and logistics: trailer panels, truck accessories, ladders, steps
- Architectural components: window frames, door systems, trim, signage
- Agricultural and construction equipment: enclosures, control boxes, protective covers
- OEM manufacturing: aluminum extrusions, brackets, product components
- Outdoor products: patio furniture, fencing, fixtures, bike racks
No matter the end use, Blucoat delivers a professional-grade finish that enhances both performance and appearance.

What Sets Blucoat Apart in Aluminum Powder Coating
Most powder coating shops focus solely on steel and treat aluminum as an afterthought, if they offer it at all. At Blucoat, aluminum is a core part of our service, and we’ve built our facility to handle it properly.
Our competitive edge includes:
- Custom dual wash system with dedicated aluminum pretreatment stage
- In-house blasting and cleaning for welds, laser cuts, or burrs if needed
- Robotic application for consistent results on every part
- Fast turnaround and full-service logistics
- Experienced team that understands aluminum’s unique coating challenges
Because we also offer liquid coating and industrial painting services, we can help you compare options and select the right finish for your part, based on material, budget, and performance goals.
Your Midwest Aluminum Coating Partner
Serving the Upper Midwest and beyond, Blucoat works with businesses of all sizes, from one-off parts to production runs. Our location near Milbank, SD allows us to offer fast service with regional convenience.
If you’re looking for aluminum powder coating services from a company that truly understands the material and the process, Blucoat is the partner you need.
Contact Us for Aluminum Powder Coating Services
Ready to get a quote or learn more about our aluminum coating services? Call Blucoat at 605-924-2040 or contact us online to request a quote or consultation. We’re here to provide professional aluminum powder coating that protects your parts, enhances your brand, and delivers lasting performance.
