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Can You Paint a Steel or Metal Building?

Small paint roller with white paint. Red handle.A Complete Guide to Painting Your Metal Garages, Barns & Buildings

Although steel buildings can last decades or longer with minimal maintenance, the constant barrage of wind, rain, snow, sand, and sun can leave the finish of your metal siding and roofing looking faded and chalky after about seven to 10 years.

To restore the look of your steel building, you may have wondered if it’s possible or practical to paint it. With the right amount of preparation and quality products, painting your metal building can be a great way to make it look new with a bit of time and effort.

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How To Paint Your Metal Building

With time, even the best painted or powder-coated finishes can break down due to wind, precipitation, and UV radiation. To protect the metal roof and siding panels from corrosion and impact damage, it’s a good idea to paint your metal building with high-quality primer and exterior paint.

For a great-looking, long-lasting paint job, careful planning and preparation are crucial. The basic process includes:

  • Removing rust with a wire wheel or sandpaper and finishing with 120-grit or higher
  • Repairing dents or damage by pulling, welding, or filling with automotive body filler
  • Priming areas where corrosion or chalking was present
  • Applying bleach or biocides to areas of mold, mildew, or moss growth
  • Washing with soap and water or pressure-washing the building to remove any dust, oil, and contaminants
  • Covering or taping off windows, doors, and trim that won’t be painted

Once the building is prepared, apply two or more coats of latex paint that’s compatible with metal buildings according to the product’s directions. Smaller projects like carports or RV covers can often be completed with rollers and brushes, but for larger garages, barns, or commercial buildings, a sprayed application will yield the best results.

Multiple thin coats will give the best coverage with less chance of drips or runs. After painting is complete, spray down or pressure-wash the building periodically and clean off any mold or moss to keep your building looking great. Address any corrosion right away to prevent its spread.

Call (888) 551-2156 today or contact us online to learn more about designing your metal building.

Signs You Need To Paint Your Steel Building

Before you decide to paint your barn, garage, or pole barn, thoroughly inspect the building. When you notice any of these issues, it might be time for a fresh coat of paint:

  • Rust or corrosion, even if it’s just a few small spots
  • Paint that’s peeling or flaking
  • Areas that are faded or discolored
  • A finish that has become milky-looking or chalky
  • Paint that leaves a powdery residue on contact
  • Areas that have been scratched, dented, or physically damaged

It’s also important to choose an appropriate day and time to paint. If the weather is too hot or too cold, the paint may not cure correctly. Inclement weather like wind, rain, hail, or sandstorms could ruin your new finish, so it’s essential to keep track of the weather throughout the project.

Finally, painting early in the morning or during overcast days can help avoid excessive heat that will cure the paint too quickly.

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Quality Steel Buildings for Residential, Commercial, or Agricultural Applications

When you want a quality steel building with a finish that will last, turn to Bulldog Steel Structures. We serve customers throughout most of the U.S., and we offer long-lasting, American-made metal buildings from the nation’s top manufacturers.

We feature a one-year workmanship warranty on all our buildings, along with a 20-year rust-through warranty on our 12-gauge materials or a 10-year rust-through warranty on 14-gauge materials.

With dozens of building types, sizes, and finishes available, great financing options, and complete installation and delivery included for most orders, we make the process of buying a new metal building simple and convenient.

What Our
Customers Are Saying

I would recommend bulldog steel highly. They are very professional and accommodating. Want to give special thanks to Randall Hall and also matt preslar. They were very accommodating and helping me fill out paperwork and handling things when a timel...

- Shirley M.

Bulldog has been great to work with. They explained everything from beginning to end. I live in the mountains of New Mexico and the staff made sure that my garage had the right support needed for this area of the country. I would highly recommend t...

- Bruce J.

Bryan Ordonez with Bulldog Buildings was great to work with. Every email or message I sent, he was quick to respond and I got what I wanted. I hate that we had to deal with material issues due to covid but he kept me up to date on issues and end da...

- Tony & Debbie S.

Good design tool on their website. Great customer service.

- John S.

Have had nothing but a positive experience with Bulldog! Bryan was super helpful and still is after our install! He still responds super prompt and helpful. No complaints about our structure, as it looks amazing! Installers did a great job and pick...

- Kristie S.

I have now had my building in place for 3 months and I want to say that the whole team at Bulldog was very helpful throughout the entire process. My salesperson, Matthew, was extremely responsive. He was very helpful with the design phase, where we...

- Mike W.

Frank Rangel was very helpful and respectful. Also very understanding. I was pouring a concrete driveway and trying to put my down payment down. I may of got a little frustrated in the middle of it all. I could see the smile on Frank's face the who...

- Jason M.

This is my second building from bulldog and I'm buying the same building , just different colors. They are great buildings that are strong and economical.

- Parke H.

Excellent customer service during my order process, answered all my questions and they were very patient.

- Jack D.

The website was very flexible and helped me customize my carport. The Bulldog staff was very prompt and helpful throughout the process.

- Dale & Karen W.

Put up a RV cover for me on a concrete pad. Turned out great and the guys cleaned up after the work. Very satisfied. Would recommend these people.

- Dan and Linda I.

I love my “She Shop.” It was amazingly easy. I sent an email, made 2 phones calls and it was done. The installation went even easier. Three guys showed up one day and finished the next. They were polite and cleaned up after themselves. My husband...

- Theressa J.

I visited their website and used the 3D estimator and was able to see my building with doors, window placements, colors,and overall look. When you add or change any feature, including size, you can immediately see the result and change in price (if a...

- David T.
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the united states

Bulldog’s metal barns, garages, and carports are available for delivery and installation in most of the U.S. Whether you’re a homeowner in Maine, a rancher in Texas, or a small business owner in California, you’ll get to-your-door delivery and professional installation, so your building will be sturdy and reliable for years to come.

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