Why Sandblasting Matters Before Powder Coating Metal

Jacob Brochu • September 18, 2026

A long lasting finish starts well before the final coating is applied.

When you see a freshly powder coated piece of metal, the color and finish usually get all the attention. But some of the most important work happens before the powder is ever applied.


Proper surface preparation can make a major difference in the quality of the finished product. That's where sandblasting comes in.


What Does Sandblasting Do?


Over time, metal can accumulate rust, old coatings, corrosion, dirt, and other surface contaminants.


Simply covering those materials with a new coating does not solve the underlying problem. The surface needs to be properly prepared first.


Sandblasting uses abrasive material to clean the metal surface and remove unwanted material. This creates a clean, prepared surface for the next stage of the refinishing process.


At JB Powder Coating & Welding, sandblasting is available for steel, aluminum, and stainless steel projects.


Why Surface Preparation Matters


Think of powder coating like any other finishing process. The final result depends heavily on the surface underneath it.

Removing rust, worn coatings, and other surface contaminants helps prepare the metal so the new coating can properly adhere.

This can be especially useful for older parts, equipment, and metal components that have seen years of use.


What Can Be Sandblasted?


Sandblasting can be useful for a wide range of metal projects, including:


  • Automotive components
  • Frames
  • Trailers
  • Equipment
  • Metal furniture
  • Fabricated parts
  • Powersports components
  • Commercial metalwork


It can be used as part of a restoration project or simply as preparation before a new finish is applied.


More Than Just Making Metal Look Better


Sandblasting isn't simply about appearance.


It's an important step in preparing metal for the work that comes next. When paired with professional powder coating, proper surface preparation helps create a clean, high quality finished product.


At JB Powder Coating & Welding in Chelsea, Maine, we offer both sandblasting and powder coating, allowing customers to take their metal projects through multiple stages in one place.


Have a Metal Project That Needs Some Attention?


Whether you're restoring an older part, preparing equipment for a new coating, or starting a completely new project, proper preparation matters.


JB Powder Coating & Welding provides professional sandblasting, powder coating, welding, and custom fabrication services in Maine.


Have a project in mind? Call (207) 592-9117 to tell us what you're working on.

Sandblasting FAQs

What is sandblasting used for?

Sandblasting is commonly used to clean and prepare metal surfaces. It can remove rust, old coatings, corrosion, and other unwanted material before refinishing or powder coating.

What types of metal can be sandblasted?

JB Powder Coating & Welding provides sandblasting services for steel, aluminum, and stainless steel. The right approach can vary depending on the material and condition of the project.

Should metal be sandblasted before powder coating?

Proper surface preparation is an important part of the powder coating process. Sandblasting can help remove rust, old coatings, and other surface contaminants so the metal is properly prepared for coating.

Can rusty metal be sandblasted?

Sandblasting can be used to remove rust and corrosion from many metal surfaces. The condition of the metal still matters, however. Severely damaged or deteriorated pieces may need additional repair or fabrication work.

Can you sandblast large or high-volume projects?

Yes. JB Powder Coating & Welding works with both individual projects and high-volume orders. If you're unsure about the size or scope of your project, contact our team to discuss what you need.

By Jacob Brochu • August 18, 2026
A durable, professional finish for automotive parts, equipment, custom metalwork, and more.