Ethan Clarke
Spray painting plastic hubcaps can be a great way to restore your car's wheel covers and give them a new lease of life. Whether you're looking to cover up scratches, mask peeling paint, or simply give your car a style upgrade, it's a job that can be done at home with a few simple tools and some careful preparation. In this article, we'll be covering everything you need to know about spray painting plastic hubcaps, from choosing the right paint to achieving a professional-looking finish.
How to Spray Paint Plastic Hubcaps
| Characteristics | Values |
|---|---|
| Items Needed | Fine 0000 steel wool, fine 220 grit sandpaper, a block of wood, dull aluminum silver or satin black spray paint, a terry cloth towel, masking tape, a screwdriver, and a special removal tool |
| Preparation | Wash hubcaps with dish detergent and hot water or dish soap and fine steel wool, then let them dry |
| Sanding | Sand the scratches and peeling areas with 320-grit sandpaper, then 600-grit sandpaper, and finally 1000- to 1500-grit sandpaper in gentle circular strokes |
| Painting | Spray multiple thin coats of paint, letting each coat dry thoroughly before applying the next |
| Optimum Temperature | 70 to 80 degrees Fahrenheit |
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What You'll Learn
Preparation is key: Wash hubcaps with dish soap and fine steel wool, then sand scratches
To prepare your hubcaps for spray painting, you must first remove them from your vehicle using a special removal tool. Next, wash your hubcaps with a mixture of dish soap, warm water, and fine steel wool to gently scrub away dirt and grime. You can also add baking soda to the mixture for an extra boost of cleaning power. Rinse the hubcaps with clean water and let them dry completely.
Once the hubcaps are clean and dry, it's time to address any scratches or peeling paint. For this step, you'll need fine 220-grit sandpaper or a block of wood. Carefully sand the scratches and peeling areas, taking care not to remove all of the existing paint from the hubcap. If the hubcap is severely scratched, you may need to use a finer grit sandpaper first and then progress to the 220-grit for a smoother finish.
After sanding, wipe away any dust or debris with a dry terry cloth towel. You can also use a dry steel wool pad to rub over the entire hubcap until it feels smooth to the touch. This step ensures that the surface of the hubcap is ready for the new paint to adhere properly.
By following these preparation steps, you'll ensure that your hubcaps are clean, smooth, and ready for spray painting. Taking the time to properly prepare the surface will result in a more durable and aesthetically pleasing finish. Remember to work in a well-ventilated area and wear the appropriate protective gear, including gloves and a respirator, during the preparation and painting process.
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Use auto spray paint for a professional finish
Auto spray paint is the best option for a professional-looking finish on plastic hubcaps. There is a wide range of auto spray paints made specifically for automotive plastics, and they are easy to use. The key to a great finish is in the preparation. Firstly, wash the hubcaps thoroughly with dish detergent and hot water. Dish detergent is ideal as it is gentle and acts as a degreaser. Allow the hubcaps to dry completely before removing them from the tires with a flathead screwdriver. Next, sand over any scratches or surface damage with 320-grit sandpaper, using gentle circular strokes. Then, use 600-grit sandpaper to sand the same areas. Only sand the damaged areas. The next step is to wet-sand the scratches with 1000- to 1500-grit sandpaper.
Now your hubcaps are ready for painting. Choose a spray paint designed for automotive use and apply multiple thin coats, rather than one heavy coat. This will ensure a superior finish. Allow each coat to dry thoroughly before applying the next. The optimum temperature for spray painting is 70 to 80 degrees Fahrenheit, and it's best to avoid direct sunlight and high humidity. Once you have applied the final coat, let it dry for a full day before applying a rubbing compound to bring out the gloss. After 30 days, you can wax your hubcaps.
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Apply multiple thin coats, letting each dry thoroughly
When you're ready to start painting, shake the can of spray paint vigorously to ensure any pigment that has settled is mixed back into the paint. Hold the can about 10-16 inches away from the hubcap and begin to apply the paint in light, even coats. It is important to keep the can in constant motion while spraying to avoid pooling or dripping. Allow each coat to dry completely before applying the next one. The optimum ambient temperature for spray painting is 70 to 80 degrees Fahrenheit. Avoid spraying paint in direct sunlight and in high humidity.
Depending on the paint you are using, you may need to wait a day or more between coats. Be sure to read the instructions on the spray can for the best results. Applying multiple thin coats of paint will result in a superior finish compared to a single heavy coat. Once you have applied the final coat, let the paint dry for at least one day before handling the hubcaps or attempting to reattach them to your vehicle.
After the paint has dried, you may wish to apply a clear coat to protect the paint and add shine. Again, be sure to apply multiple thin coats and let each coat dry thoroughly before applying the next. After the final coat, let the clear coat dry for one day, then apply a rubbing compound to bring out the gloss. Wait at least 30 days before waxing the hubcaps.
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Avoid spraying in direct sunlight or high humidity
Spray paint dries too quickly in direct sunlight, which prevents it from fully bonding with the hubcap's plastic surface. This will cause the paint to prematurely flake and peel a few years down the line. Direct sunlight also makes exterior surfaces 10 to 20 degrees hotter, which can cause the paint to peel off due to the moisture that collects underneath.
High humidity, on the other hand, slows down the drying process of spray paint. This can lead to condensation on the hubcap's surface, resulting in lifting or peeling after coating, instead of a smooth, long-lasting finish. In addition, humidity will increase the time it takes for the paint to dry and may require you to apply multiple coats, making the entire process more time-consuming.
Therefore, it is recommended to spray paint in temperatures between 55° and 75°F (or 70 to 80 degrees Fahrenheit according to another source), with low to moderate humidity of around 50 percent. Spray paint is highly dependent on the weather, so it is important to create the optimal conditions for the best finish.
To achieve the desired results, it is crucial to follow best practices and take into account factors such as temperature and humidity levels before beginning the spray painting process.
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Wait 30 days before waxing
Spray painting plastic hubcaps can be a great way to restore or refresh the look of your car's wheels. It's a simple process that can be done at home with a few basic supplies, but there are some important steps to follow to ensure a professional-looking finish.
First, it's crucial to prepare the hubcaps by thoroughly washing them with dish detergent and hot water. This step is essential as it removes any grease or dirt that could interfere with the paint adhesion. Once the hubcaps are clean, dry them off completely and remove them from the tires using a flathead screwdriver if necessary.
Next, address any scratches or surface damage by gently sanding the affected areas with sandpaper. Start with a finer grit, like 320-grit, and progress to a slightly coarser grit, like 600-grit, if needed. It's important to sand only the damaged areas and not the entire surface. After sanding, wipe down the hubcaps with a clean towel to remove any dust or debris.
Now you're ready to start painting! Choose an automotive spray paint designed for use on plastic surfaces, and always follow the instructions on the can. Spray an even, light coat first, followed by additional coats as needed, allowing each coat to dry thoroughly before applying the next. It's best to spray in a well-ventilated area, avoiding direct sunlight and high humidity. The ideal temperature for spray painting is between 70 to 80 degrees Fahrenheit.
Finally, after you've achieved the desired coverage and colour, let the paint dry completely. This may take a full day or more, depending on the paint you've used and the number of coats applied. Once the paint is dry, you can enhance the gloss and shine by applying a rubbing compound. However, it's crucial to wait at least 30 days before waxing the hubcaps. This waiting period allows the paint to fully cure and harden, ensuring that your hard work will last and that your hubcaps will look their best for longer.
In summary, spray painting plastic hubcaps is a straightforward process that can significantly improve the appearance of your vehicle. By taking your time with the preparation and painting steps and being patient during the curing process, you can achieve a professional-looking finish that will last for years to come.
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Frequently asked questions
First, carefully remove the hubcaps with a special removal tool. Wash the hubcaps thoroughly with dish detergent and hot water or dish soap and fine steel wool. Let the hubcaps dry and then sand over any scratches or surface damage with 320-grit sandpaper in gentle circular strokes. Next, follow up with 600-grit sandpaper and wet-sand the scratches with 1000- to 1500-grit sandpaper. Clean the hubcaps with a towel before painting.
Auto spray paint is best for a professional-looking finish as there is a wide range of paints made specifically for automotive plastics. Spray paint is also easy to use and can give a great finish when done properly.
Spray multiple thin coats, letting each application dry thoroughly before spraying the next coat. Spraying multiple thin coats will result in a superior finish rather than a single heavy coat. The optimum ambient temperature for spray painting is 70 to 80 degrees Fahrenheit, and it is best to avoid spraying paint in direct sunlight and in high humidity.
After the final coat of paint, let the paint dry for one day and then apply a clear coat to bring out the gloss. Wait 30 days before waxing the hubcaps.
