
Plastic trim on vehicles can be prone to weathering, fading, and cracking due to sun exposure and harsh weather conditions. This can make the vehicle look older or neglected. While some products and methods can restore plastic trim, it is important to manage expectations as these solutions may not always deliver long-lasting results. Store-bought plastic restorers, such as Meguiars and Cerakote, can be effective but may not significantly improve heavily weathered trim. Heat guns and blow torches should be avoided as they can further damage the plastic and cause faster fading. DIY methods, such as using canola oil or products like Solution Finish, can be inexpensive and easy to apply, but they may require more frequent reapplication. Regular maintenance and protection are crucial to preserving the results and preventing future deterioration.
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What You'll Learn

Clean the plastic trim with soapy water
To restore weathered plastic trim, the first step is to clean the plastic trim with soapy water. This is a simple and effective method to remove surface grime, dust, and dirt. It is important to be gentle and avoid scratching the plastic trim. Use a microfiber cloth, a soft toothbrush, or a soft-bristled brush to gently wipe down the trim. For more stubborn dirt or hard-to-reach areas, a soft-bristled brush or toothbrush can be used, gently scrubbing to avoid scratching. Ensure that you rinse the trim thoroughly with clean water from a hose or bucket to remove all soap residue, as this can cause streaking or damage if left on the trim. Finally, dry the trim with a clean, dry microfiber cloth, ensuring all moisture is removed.
It is recommended to regularly clean plastic trim to maintain its appearance and prevent the buildup of grime and oxidation. This simple maintenance step can help keep the trim looking shiny and new. It is also important to avoid using harsh chemicals or abrasive cleaners, as these can damage the plastic finish. Instead, opt for mild or diluted cleaners to avoid staining or damaging the plastic trim.
In addition to cleaning with soapy water, there are other methods to restore weathered plastic trim. One approach is to use a heat gun to heat the plastic, which draws out the oils within the material. However, this method requires caution as it can easily warp the plastic. Another method is to treat the surface with olive oil, WD-40, or a trim restoration product, which can enhance the darkness of the trim while providing protection against sun and rain.
For more severely weathered plastic trim, it may be necessary to consider replacement. If the plastic exhibits signs of folding, shrinking, large cracks, or deep scratches, it may be more cost-effective and aesthetically pleasing to replace the trim rather than attempting DIY restoration methods. However, if you choose to explore restoration options, it is important to manage your expectations as these methods are typically more suitable for mildly deteriorated surfaces.
Overall, cleaning plastic trim with soapy water is a gentle and effective way to remove dirt and grime while maintaining the appearance of the trim. By regularly cleaning and maintaining the trim, you can help prevent oxidation and fading caused by sun exposure and weather conditions. Remember to be gentle, avoid harsh chemicals, and opt for mild cleaning solutions to protect the integrity of the plastic trim.
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Dry with a microfiber towel
Drying with a microfiber towel is an essential step in the process of restoring weathered plastic trim. This step ensures that the surface is free of any remaining dirt, grime, or water spots before proceeding with the restoration treatment. Here are some detailed instructions and tips for this step:
Microfiber Towel Selection:
Choose a clean, dry microfiber towel that is soft and absorbent. The towel should be dedicated solely to this task to avoid any potential scratches from previously used towels.
Drying Process:
- After rinsing the plastic trim with clean water, gently blot the surface with the microfiber towel. Avoid rubbing or applying too much pressure, as this may scratch the plastic.
- Ensure that you dry all areas of the plastic trim, including any crevices or intricate details. Pay extra attention to areas that are prone to water spots or streaks.
- If the towel becomes saturated, switch to a dry section of the towel or use a second towel to continue drying. It is important to avoid rubbing a wet towel on the surface, as this may cause streaking or residue buildup.
Post-Drying Inspection:
- Once the plastic trim is completely dry, inspect the surface for any remaining water spots or streaks. If necessary, use a new, dry microfiber towel to gently buff and remove any imperfections.
- Ensure that the surface is completely free of dust, dirt, and water residue before proceeding to the next step of the restoration process.
By following these instructions, you can effectively dry the plastic trim with a microfiber towel, creating a clean and prepared surface for the application of restoration products. Remember to maintain a gentle touch throughout the process to avoid any potential scratches or damage to the plastic surface.
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$46.05

Apply a plastic restorer
To restore weathered plastic trim, you can apply a plastic restorer. This is a cost-effective way to improve the appearance of your car, but it is a short-term solution. Before applying any product, ensure the surface is completely clean. Wipe down the plastic with an alcohol-based cleaning solution to remove dirt, old dressings, and contaminants so that the restorer can be properly absorbed.
There are several plastic restorers available on the market, such as Solution Finish Trim Restorer, which can be applied with a microfiber cloth or foam applicator. Spread the product evenly across the plastic trim, covering the area completely. Wipe off any excess product with a clean towel and allow the plastic to dry for several hours.
Another option is to use a long-lasting dye, such as Black Trim Kote, which can be applied with a shop towel or applicator. Work in small sections to ensure even application, and allow the dye to dry before moving on to the next step.
After restoring the plastic trim, it is important to apply a protectant to prevent future fading. Detail King's Revival Trim Dressing provides UV protection and a subtle shine, sealing in the restoration. Alternatively, Solution Finish Over The Top Plastic Sealer can be used as a topper over Solution Finish Trim Restorer to enhance and extend the life of the treatment.
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Buff the trim
Buffing is an essential step in restoring weathered plastic trim. It involves lightly rubbing the surface of the trim to remove any remaining residue and create a smooth, even finish. Here is a detailed guide to the buffing process:
Before buffing, ensure you have cleaned the plastic trim with a suitable product, such as isopropyl alcohol, to remove any dirt, dust, or grime. Use a microfiber towel to wipe the surface dry. It is important to start with a clean surface to ensure the best results.
When you are ready to buff, you can use a microfiber towel or a soft cloth. Move the towel in rapid, small circular motions, applying light pressure to the surface of the trim. Ensure you cover the entire area evenly. You may need to turn the towel over and use a fresh side if it becomes too soiled.
If you are using a product like Solution Finish Trim Restorer, you will want to wipe off any excess product with a clean towel after buffing. Then, allow the plastic to dry for a recommended period, often a few hours.
For a deeper shine, you may wish to repeat the buffing process with a second application of your chosen product. This can enhance the finish and help the trim look better than new.
Finally, remember that buffing is just one part of the restoration process. For best results, always follow the specific instructions of your chosen plastic trim restoration product and take appropriate safety precautions, such as wearing gloves and working in a well-ventilated area.
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Use a sealant to protect from UV rays
While plastic is a versatile material, it can be prone to damage from UV rays, which can cause it to crack, fade, or deteriorate over time. To prevent this, it is essential to use a sealant that offers UV protection.
One option is to use a spray sealant on exterior plastic parts. Turtle Wax Ice with UV protectant is a clear spray-on wax that can be used to protect plastic trim from UV rays. It is slightly oily, so it is important to wipe off any excess after application. Plexus and Optimum Leather/Vinyl Protectant are also recommended products for UV protection.
Another product that offers UV protection is Shine Armor Plastic Restorer. This product is designed to restore and protect vinyl trim, rubber polypropylene, and other degraded plastics. It is safe to use and does not contain harsh chemicals. Shine Armor is easy to apply and can make plastic trim look richer and deeper in colour.
For those seeking an easy-to-use option, Dr. Beasley's Plastic Sealant is a good choice. It is designed to rejuvenate plastic trim, protect it from UV damage, and help repel liquids for easy cleaning. When applied to a clean, dry exterior plastic surface, it penetrates to nourish and moisturize, forming a UV-inhibiting hydrophobic barrier.
In addition to these products, some people recommend using pure silicone on rubber seals to protect against UV rays. However, it is important to note that the best UV protection is provided by a garage, as no chemical product can offer the same level of protection.
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Frequently asked questions
One method for restoring weathered plastic trim is to clean the plastic trim with soapy water, wipe it dry, and then apply a plastic trim restorer. You can purchase these restorers from auto parts shops or online stores.
Some products that can be used to restore weathered plastic trim include Solution Finish Trim Restorer, Chemical Guys' Nonsense All Purpose Cleaner, and Over The Top Plastic Sealer.
It is important to wear protective gear, such as gloves, and work in a well-ventilated area when restoring plastic trim to protect yourself from chemical fumes.
Some alternative methods to restoring weathered plastic trim include using canola oil, a heat gun, or a blow torch. However, it is important to note that using a heat gun or blow torch can cause the plastic to fade faster or turn grey and dull.











































