How to Paint Over Old Paint

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How to Paint Over Old Paint

If you want to get rid of flaky, peeling, or bubbling paint, painting over it sounds like an easy enough solution, right? Unfortunately, it’s not that simple. Painting over old paint requires a specialized approach to ensure proper adhesion and a lasting finish. There are many steps involved in preparing, painting, and maintaining your newly-painted surface.

Can You Paint Over Old Paint?

You can paint over old paint, but it requires specialized techniques and a proper method. In some cases, painting over old paint is not recommended. Therefore, you have to assess your walls in great detail before determining your next step. If the paint on your walls adheres well and shows no significant peeling, you can paint over it. However, if the paint has lead, severe flaking, or moisture damage, it’s best not to paint over it until you resolve the underlying problem.

Tools and Materials You’ll Need

Before you start the process of painting over your old paint, here are a few tools and materials you should gather:

  • Paint: Make sure you have the right quality, quantity, and color of paint.
  • Drop cloths or plastic sheeting: These help you cover your floor and furniture to prevent spills and stains.
  • Putty knife and filler: These let you fill and patch holes and dents in your wall.
  • Sanding block and sandpaper: Use these to smooth patches and level the surface.
  • Painter’s tape: This protects your trim, ceilings, and fixtures.
  • Scraper: This is essential for removing peeling and flaky paint.

Painting Over Old Paint: A Step-by-Step Approach

Ready to paint over old paint and update your walls? Follow this step-by-step guide to ensure a lasting finish.

Assess the Surface Condition

The first step is assessing the surface condition. Check if your old paint is peeling or flaking; if it is, you will need to remove it before painting the walls. If you notice moisture damage or water stains, you may need to address the underlying water intrusion before repainting the surface. Any surface-level stains should be cleaned before repainting.

Prepare the Surface

The next step is preparing the surface for painting. Move furniture to create an accessible space for painting, cover fixtures, trim, and molding with painter’s tape, and cover your floor with plastic sheeting or drop cloths to prevent spills and stains. Use a paint scraper to remove any loose, peeling, or curling paint, and fill and patch holes with a filler. Before you start painting, use a fine-grit sandpaper to lightly sand glossy surfaces and patched areas, creating a grippy texture and improving paint adhesion.

Apply Primer

A primer creates a uniform, sealed surface that improves paint adhesion, color accuracy, and durability. Use a quality primer and apply a coat evenly over the surface.

Paint Over Old Paint

Once the surface is primed, it’s ready for paint. Apply at least two coats of your new paint over the surface. Let the first coat dry thoroughly before applying the second one. This will create proper adhesion and a smooth color, and prevent paint cracking and peeling.

Test and Monitor

Painting dries in a few hours, but proper curing can take a few days. That is why testing and monitoring are crucial after painting over old paint. Look for spaces that may indicate color unevenness or dents, and fix them promptly before cleaning the areas. Once the paint is cured, check its adhesion with a painter’s tape.

When to Call a Professional

You can DIY small painting projects on walls with no old paint issues easily. However, some projects require professional services.

Extensive Peeling or Structural Issues

If your walls have extensive peeling or structural issues, it might be best to call for professional painting services. An expert will recommend appropriate solutions to prepare the surface and strengthen the structure before starting the painting process.

Lead Paint Removal or Encapsulation

Lead paint is incredibly harmful to health, and removing it yourself can pose great health risks. Therefore, always call professional teams for lead paint removal or encapsulation services. They can offer tailored solutions while keeping you and your home safe.

Maintenance Tips After Painting Over Old Paint

Here are a few maintenance tips to help you take care of a newly painted surface:

  • Regular Cleaning: Regularly clean your walls with a soft, damp cloth or a microfiber towel. Only use water or water mixed with a small amount of soap, if needed, and avoid using harsh chemicals.
  • Humidity Control: Use a dehumidifier to maintain optimal humidity levels in your home. Excess humidity can lead to peeling and blistering.
  • Exterior Care: Maintain some distance between the painted surface and other objects, like furniture, to prevent abrasion. Keep plants away from the wall to avoid moisture buildup.

Contact Us Today For Reliable Painting Services in Boise

Planning to revamp your home or business by painting over old paint? Contact Boise Commercial and Residential Painting for reliable, professional, and cost-effective painting services in Boise. Our experts will thoroughly assess the condition of your walls and recommend the best solutions to ensure a smooth finish and lasting appeal. Schedule a consultation today.

Frequently Asked Questions

Yes, painting over old paint requires sanding with a fine-grit sandpaper to even out the surface. Sanding makes the surface even enough for proper paint adhesion.

Yes, you can paint over glossy or semi-gloss paint. But for the best adhesion, we recommend thoroughly cleaning the surface and sanding it to remove the shine before painting. Primer also helps even out the surface, improving paint adhesion and color appeal.

You can tell if old paint is oil-based or latex by conducting a small test. Rub a cotton ball with rubbing alcohol or acetone on the painted surface. If the paint comes off, it’s latex, but if it stays put, it’s oil-based.

No, it is not recommended to paint directly over old peeling paint. It’s important to scrape the peeling paint, sand the surface, and apply primer before painting.

No, it is not safe to paint over lead-based paint. If your home may have lead-based paint, it’s crucial that you call professionals to deal with it safely.

Generally, you’ll want to sand and prime the surface and then apply at least two coats of paint. However, the exact number of coats depends on the type of paint, the color of the old paint, the color of your new paint, and the condition of the wall.

Yes, an old paint color can show through if you skip the primer, especially if you are changing from a dark color to a light color or painting on glossy surfaces. Primer or additional coats of paint would be recommended.

Trevor Z Marshall

Owner & Managing Member at Boise Commercial & Residential Painting

Trevor is one of the proud owners of Boise Commercial & Residential Painting, bringing a strong foundation of leadership, customer service, and a passion for building lasting relationships. Originally from Texas, Trevor has lived and worked across the country, gaining diverse professional experience before putting down roots in Colorado. A proud graduate of Vanderbilt University, he combines business insight with a deep appreciation for teamwork, values that guide his approach to running a service-first painting company.
At home, life is never dull. Trevor and his wife Erin are raising four energetic kids, along with a dog, a cat, and an ever-changing cast of aquarium fish. When he’s not juggling family life or supporting his team, you’ll likely find him enjoying Colorado’s mountain air, catching a European football match, or exploring the local craft beer scene with friends.
Trevor is deeply committed to creating a supportive, empowering environment for his team, referred to within the company as “Partners”, and believes that investing in people is the key to delivering world-class service and exceptional results for clients. He’s grateful for the opportunity to serve the Boise community and looks forward to earning your trust on your next residential or commercial painting project.

Great company—extremely professional from start to finish. Their pricing was very competitive compared to other quotes I received. I would definitely recommend them and will be using their services again in the future!
Amazing painting service with professional results. The team was on time, respectful, and very detail-oriented. The walls look smooth, fresh, and beautifully finished. They protected the furniture and cleaned up thoroughly after completing the work. I’m extremely satisfied with the quality and would gladly recommend them.
Had an amazing experience with Boise Commercial & Residential Painting. From the first meeting with Collin, I knew I had made the right choice. Communication was excellent, the team was punctual and polite, and the finished product looks amazing! Collin even helped facilitate communication with an additional vendor, after a small issue was discovered during the prep process. I highly recommend you give them a call - you won’t be disappointed!
I cannot say enough good things about Collin and his team. We wanted to repaint our cabinets but could not find anything within budget. He worked with us to keep the service within our desired price range (the cheapest we could find in the Treasure Valley by far.) His team was respectful and efficient, and did a great job on our cabinets, trim, and a tricky wall that required painting around a fireplace.They even replaced the cabinet hinges and hardware for us, and when they noticed that the new hinges I ordered had created a small gap between the cabinet doors, they went out of their way to adjust the placement, patch the holes, etc. Then they came back a few weeks later to touch up a couple spots that needed to be sanded down.They have gone above and beyond for an extremely reasonable price and we will be calling them for all future paint projects!
I had an excellent experience with Boise Paint! From start to finish, the team was professional, knowledgeable, and easy to work with. They took the time to answer all my questions, offered great recommendations on colors and finishes, and delivered results that exceeded my expectations. The quality of their work is top-notch, and you can tell they truly care about customer satisfaction.If you’re looking for a reliable, detail-oriented, and friendly painting company in Boise, I highly recommend Boise Paint. I couldn’t be happier with the outcome and will definitely use them again for future projects!
Great company!Communication, transparency, and quality all exceeded expectations. Thank you again!!
Collin and his team did an excellent job! I’m very pleased with how the exterior turned out! I got three bids and theirs was detailed, thorough and fair. Collin managed the process and checked in frequently. I highly recommend them! Posting a photo but need to add that I ordered a new garage door that’s not arrived yet so they didn’t paint my old one.
We had a great experience, we had cabinets refinished in my salon. The customer service, and quality of the work was amazing! They finished the job on time, and left my business very clean. Highly recommend them!
Collin, Elmer and there team did an amazing job painting our home. They were very thorough. They listen to everything we said and did as we asked. We were extremely pleased with the job they did and would recommend.
We had an awesome experience working with Paint Boise! Collin was so easy to work with. He made sure all our questions were answered, was quick to respond to our needs and concerns and coordinated his team really well. We felt taken care of from the beginning to the end of the project. Elmer and the rest of the team were also so kind, considerate and patient and they did an amazing job painting our home. We couldn't be happier with our experience. Thanks, guys!
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