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When you spray paint your car yourself, you first apply a primer, then a base coat, and then a clear coat, but it can be difficult to get these coats to look even because the paint has a tendency to run. Thankfully, with some patience and the right tools, you can get that perfect glossy finish and save thousands of dollars on a professional paint job. You’ll need to devote several days to the process and make sure to follow safety guidelines.
Steps
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Buy enough primer, base coat, and clear coat to cover your vehicle. For a small- to medium-sized car, you’ll need 1 gallon (3.8 L) of primer, 3 gallons (11 L) of base coat, and 2 to 3 gallons (7.6 to 11.4 L) of clear coat. For larger vehicles, double those amounts. [1] X Research source
- If you want to match your car’s original color, check your car’s compliance plate to find the color code . You can give that to an auto paint store and they’ll be able to match the color for you.
- It’s always better to have a little extra paint rather than too little. Remember that you can save excess paint for touch-ups.
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Assemble your protective gear before you start working. You will need a respirator, protective eyewear, disposable gloves, and clothes that you don’t mind getting dirty. Check the manufacturer’s instructions on the primer, base coat, and clear coat for any other safety stipulations. [2] X Research source
- If you don’t own a respirator, you may be able to rent one from your local hardware store.
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Work in a location that is 70–80 °F (21–27 °C) for the best results. Depending on the weather, you could definitely work outside—just make sure to check that the weather forecast will be clear for a few days. If you live in an area with high humidity, it will take longer for each coat of paint to dry, so consider working climate-controlled space if you can—just ensure you’re working somewhere that has good ventilation. [3] X Research source
- Working in the right temperature will help the paint dry properly.
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Wash the car with dish soap and water and dry it with a lint-free towel. Grab a big bucket and fill it with warm water and a few squirts of dish detergent. Then use a large sponge and wash your car, starting at the top and working your way to the bottom. Once the entire car has been washed, use a lint-free towel to dry it off thoroughly. [4] X Research source
- The car needs to be completely free of wax, oil, and dirt, and the dish soap is gentle enough to clean everything off without leaving a soapy residue.
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Sand out any rust spots or scratches with 180-320-grit sandpaper. If you have a sander, load the sandpaper into it and work on sanding out any areas that have rust or that are scratched up. You’ll be sanding the entire body of the car later, but this pre-step will help prep those areas to receive the primer, base, and clear coats. [5] X Research source
- Sand corners and small crevices by hand to ensure they’re fully prepped. The sanding machine won’t be about to maneuver such small spaces.
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Wet sand the entire car using 1000-1500-grit wet sandpaper. You will need specific wet sandpaper and a spray bottle filled with water. Spray a section of the car, and start sanding in a back and forth motion (not in a circle). Continue this process until the entire car is smooth, refilling the water bottle as needed. If the paint job you’re replacing or fixing is really patchy, sand until you get down to the bare metal frame. If the paint job wasn’t bad to begin with, just sand until you get an even, smooth-to-the-touch surface. [6] X Research source
- Wet sanding makes a really smooth surface as apposed to the coarser surface that comes from regular sanding.
- You can’t get the car over-wet, so don’t worry about how much water you spray.
- Use rubber sanding blocks if you don’t have a sander.
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Rinse down the car and dry it off again with a lint-free towel. Pay attention to the body of the car as you rinse it this second time. If there are any areas that need to be sanded again, take time now to do so. Once the car has been rinsed, dry it thoroughly with the towel. [7] X Research source
- Rinsing the car off again ensures that all the little flakes of paint and sandpaper are gone.
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Tape off the windows, lights, and tires with masking tape and plastic. Place the tape around the seam of each area that you don’t want to paint. Then cover those areas with plastic sheeting and apply a second layer of masking tape to keep the cover in place. Use a putty knife to press the tape down into cracks and crevices. [8] X Research source
- If you don’t have plastic film or sheeting, use 2-3 layers of old newspaper.
- Check out some online tutorials for extra tips and examples of taping off your car.
- If you’re working in an area with other tools or furniture, you may also want to spread some plastic sheeting over them to keep them clean.
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Apply 2 coats of primer before applying the base and clear coats. Check the primer manufacturer’s instructions before you start—chances are you will need to mix the primer with a thinner first. Once your mixture is ready to go, load it into the spray gun. Hold the gun about 6 inches (15 cm) from the body of the car and spray in a back and forth motion until the entire body of the car is covered. Wait about 20 minutes between each coat. [9] X Research source
- Use an old piece of wood or scrap metal to practice spraying the primer before you begin on your car. This’ll help you get the feel for the machine.
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Sand the vehicle with 2000-grit wet sandpaper after the primer dries. The primer will leave a slightly uneven and powdery layer on the car, so use your spray bottle and wet sandpaper to gently go over the entire vehicle. Just sand enough so that the surface is completely smooth. [10] X Research source
- Wipe down the sanded, primed car with a damp rag once you’re done and let it dry completely before moving on to the base coat.
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Spray on the first coat of the base coat and let it dry for 20 minutes. Check the instructions of the base coat to see if it also need to be mixed with thinners. Load the liquid into your cleaned-out spray gun. Hold the sprayer 6 to 10 inches (15 to 25 cm) away from the car and use smooth, even strokes, going from left to right rather than up and down or in circles. [11] X Research source
- It should take you about 10 minutes to apply the first base coat if you’re painting a small- to medium-sized vehicle.
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Apply a second coat of the base coat after the first one has dried. Use the same technique as before, moving in slow, even, strokes. This is a great time to check over the vehicle and make sure things are looking even. Once the second coat has been applied, clean out your spray gun to get it ready for the clear coat. [12] X Research source
- If you can still see the metal of the frame through the primer and base coat, you may want to add a third base coat.
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Let the base coat dry completely before moving on to the clear coat. It’ll usually take about 30 minutes for the base coat to dry, but depending on the temperature and humidity, it could take closer to 60 minutes. You’ll know it’s dry when it’s smooth to the touch and your fingers don’t drag on it when you touch it. [13] X Research source
- If you notice any residue or bumpy areas, sand the area down again and reapply the base coat until it’s even.
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Spray the first coat of the clear coat evenly over the base. Fill your spray gun with the clear coat, following any manufacturer’s specifications from the paint can. Start at the top of the vehicle and spray from left to right as you make your way down to the bottom of the car. Use even, long strokes. Wait 10 minutes after this first coat before applying the second. [14] X Research source
- The clear coat should be easy to see as it goes on the car, so take your time to make sure the entire body is evenly coated.
- You’ll know the clear coat is dry when it is smooth to the touch, rather than sticky.
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Apply the second clear coat to create a nice, glossy finish. Once the first clear coat has dried, repeat the process to apply the second (and final!) coat. Remember to use smooth, even strokes and to completely coat the entire body of the car. [15] X Research source
- If you want, or if you applied particularly thin first and second coats, you could do a third coat, though two is usually sufficient.
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Remove the masking tape and plastic before the paint dries. Right after you apply the last clear coat, carefully peel away the masking tape and plastic sheeting or newspaper. Do this slowly and try to keep the plastic from touching or getting stuck in the clear coat. [16] X Research source
- If there is sticky residue left from the tape, ignore it for now. You can go back to it later and rub it away using something like Goo Gone.
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Fix any mistakes or uneven areas by sanding and respraying the area. Be careful when doing this since you’ve already removed the tape and protective sheeting. Chances are, if you have to fix anything, it’ll just be a small section that you can carefully spray again. [17] X Research source
- Remember that you can always use this process of sanding and spraying to fix small scratches in the future, especially if you have leftover paint.
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Buff your clear coat for a glossy finish. Make sure the clear coat is completely dry before you buff. You can rent a buffer from your local hardware store if you don’t own one. Use a low setting and buff carefully but quickly—if you leave the buffer on any particular spot for too long, it could burn or wear away the paint you just applied. [18] X Research source
- You don’t have to buff your car if you don’t want to, but it definitely makes it look shinier!
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Expert Q&A
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QuestionWill clear coat protect my car?Angel Ricardo is the owner of Ricardo's Mobile Auto Detail headquartered in Venice, California. With over 10 years of experience in mobile detailing, Angel continues to attend auto detailing trainings to improve his customer service and auto detailing skills.Totally. All of the sunlight, rain, bird droppings, and whatnot won't damage your paint if you've got a clean clear coat on top.
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QuestionHow thick should my clear coat layer be?Angel Ricardo is the owner of Ricardo's Mobile Auto Detail headquartered in Venice, California. With over 10 years of experience in mobile detailing, Angel continues to attend auto detailing trainings to improve his customer service and auto detailing skills.It really shouldn't be thicker than a piece of paper. You don't need a massive, thick clear coat layer for it to do its job.
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QuestionWhat actually is clear coat?Angel Ricardo is the owner of Ricardo's Mobile Auto Detail headquartered in Venice, California. With over 10 years of experience in mobile detailing, Angel continues to attend auto detailing trainings to improve his customer service and auto detailing skills.It's basically just clear paint. It functions kind of like a sacrificial paint job so that you don't scuff up the actual paint job underneath.
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Tips
- If you’re working in a warmer or more humid area, let your car sit for longer between each coat of primer, base, and clear coats.Thanks
- If you notice drips while you’re spray painting, don’t worry! Just use your sandpaper to sand down those areas and repaint them.Thanks
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Warnings
- Mix paint and solvent in a well-ventilated area away from all sources of flames.Thanks
- Make sure to follow the paint manufacturer’s requirements as far as safety and protective equipment goes.Thanks
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Things You’ll Need
- High-grit sandpaper
- Wet sandpaper
- Sander or sanding blocks
- Spray bottle
- Water
- Lint-free towel(s)
- Bucket
- Dish soap
- Large sponge
- Buffer
- Primer
- Base coat
- Clear coat
- Spray gun
- Disposable gloves
- Respirator
- Safety eyewear
References
- ↑ https://www.popularmechanics.com/cars/how-to/a3110/a-diy-guide-to-painting-your-car-15998013/
- ↑ https://www.quora.com/What-materials-do-you-need-to-paint-a-car
- ↑ https://youtu.be/zQMAY1LtSb8?t=88
- ↑ https://www.popularmechanics.com/cars/how-to/a3110/a-diy-guide-to-painting-your-car-15998013/
- ↑ https://www.popularmechanics.com/cars/how-to/a3110/a-diy-guide-to-painting-your-car-15998013/
- ↑ https://www.thoughtco.com/wet-sand-cars-primer-or-paint-281367
- ↑ https://www.thoughtco.com/wet-sand-cars-primer-or-paint-281367
- ↑ https://youtu.be/43gY1Ir4JqU?t=38
- ↑ https://www.popularmechanics.com/cars/how-to/a3110/a-diy-guide-to-painting-your-car-15998013/
- ↑ https://www.popularmechanics.com/cars/how-to/a3110/a-diy-guide-to-painting-your-car-15998013/
- ↑ https://youtu.be/iP6GAU2mSvU?t=44
- ↑ https://youtu.be/iP6GAU2mSvU?t=91
- ↑ https://youtu.be/iP6GAU2mSvU?t=169
- ↑ https://youtu.be/iP6GAU2mSvU?t=169
- ↑ https://youtu.be/iP6GAU2mSvU?t=225
- ↑ https://www.popularmechanics.com/cars/how-to/a3110/a-diy-guide-to-painting-your-car-15998013/
- ↑ https://www.popularmechanics.com/cars/how-to/a3110/a-diy-guide-to-painting-your-car-15998013/
- ↑ https://youtu.be/zQMAY1LtSb8?t=348
About This Article
Article Summary
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To apply a clear base coat paint job to your car, wash the car with soap and water, and use a lint-free towel to dry the car completely. Wet sand all of the paint with 1000-1500 grit sandpaper, and rinse and dry the car before taping off the windows and other fixtures you don't want to paint. Then, use a sprayer to apply 2 coats of primer to the car and wet sand with 2000 grit sandpaper. Apply 2 coats of the base coat, and then wait for the paint to dry completely before sealing with 2 coats of clear coat. For tips on fixing mistakes and buffing the paint, scroll down!
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Reader Success Stories
- "Strayed away and thought I could do an entire paint job without any help as a beginner. The outcome was a hot mess. Searched Google and found this. Followed each step thoroughly, and wow, such an amazing difference. Now I've started my own aide business doing this for extra cash monthly." ..." more
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"Strayed away and thought I could do an entire paint job without any help as a beginner. The outcome was a hot mess. Searched Google and found this. Followed each step thoroughly, and wow, such an amazing difference. Now I've started my own aide business doing this for extra cash monthly."
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"This young man is the best automobile painting technician/teacher I have ever watched. This is a primer on painting, and will definitely get you started out correctly. I enjoyed this, and it has helped my painting a lot."
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"The article laid out the basic steps for painting a vehicle. It didn't go into a lot of detail but it was insightful enough to answer some DIYer's questions about paint and prepping for painting a vehicle."
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