Protecting Car Plastic: Prevent Sun Damage

how to protect car plastic from sun

The sun's ultraviolet (UV) rays can be very detrimental to the plastic components of a car, causing them to crack, discolour, and deteriorate over time. Just as sunscreen protects our skin from UV radiation, there are ways to protect your car's plastic from sun damage. One way is to park your car in the shade or use a garage. Another way is to apply a protective coating, such as a ceramic shield, wax, or vinyl wrap, which can act as a barrier between the plastic and the sun's rays. Regular washing and cleaning of the car's plastic parts can also help to prevent sun damage by removing dirt and road grime that can make the plastic more susceptible to UV rays.

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Park in the shade or use a car cover

Parking your car in the shade is a simple yet effective way to protect it from sun damage. By parking in the shade, you're not only protecting the car's paint from fading and discolouration but also preventing the interior from cracking and other sun-induced damage. If you don't have access to a garage, look for a spot under a tree or a covered parking area. If a shady spot is not available, consider investing in a high-quality car cover to shield your vehicle from the sun's harmful UV rays.

Car covers are designed to protect your vehicle from the sun's rays and other environmental factors. When choosing a car cover, opt for one that is UV-resistant and breathable to ensure adequate protection and ventilation. The cover should fit snugly over your car, covering the entire vehicle, including the windows and windshield. Using a car cover consistently, even on cloudy days, will help maintain your car's exterior and interior condition.

In addition to parking in the shade or using a car cover, there are other measures you can take to protect your car's plastic from sun damage. Regular washing and cleaning of your vehicle will remove dirt, bird droppings, and other debris that can damage the car's surface when exposed to the sun. Aim to wash your car every two weeks, using the two-bucket method with one bucket containing soap and the other clean water to prevent redepositing dirt onto the car's surface.

Another way to protect your car's plastic from sun damage is by applying protective coatings or sprays. After washing and drying your car, apply a coat of wax to create a barrier against UV rays and other environmental hazards. You can also use UV protection sprays specifically designed for car surfaces, including plastic trim. These sprays act as a sunscreen for your car, reducing the impact of UV radiation.

Lastly, consider using sun shields or window shades to protect your car's interior. These shields reflect UV rays, preventing damage to the dashboard, upholstery, and other interior components. If your car has a sunroof or large windows, you can also apply window tinting, which blocks up to 99.9% of UV rays, reducing the chances of interior fading and cracking. By combining parking in the shade or using a car cover with these additional protective measures, you can effectively safeguard your car's plastic from sun damage.

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Use sun shields or window shades

Sun shields and window shades are a great way to protect your car's interior from the sun's rays. They are designed to block sunlight and reduce the temperature inside your car, which can help prevent sun damage to your car's plastic and rubber trim.

Sun shields, also known as sun shades or windshield shades, are typically made of reflective materials such as aluminum foil or reflective fabric. They create a barrier that blocks a significant portion of the sun's rays from entering your car, keeping the interior cool. These shades are custom-fit for specific car models, including various trucks and vans, ensuring maximum protection. They are easy to install and can be conveniently stored by rolling them up and securing them with an attached Velcro strap.

Side window shades are also available, which are held in place with suction cups. These shades not only block the sun's rays but also provide privacy for passengers. By reducing the amount of sunlight entering the vehicle, you can help prevent the plastic and rubber components from drying out and deteriorating.

It is important to note that sun shields and window shades should be used in conjunction with other protective measures, such as regularly washing and waxing your car, as well as applying UV protectant sprays or coatings to the plastic trim. Keeping your car clean and maintaining its appearance can also help enhance its durability and resale value.

By investing in sun shields or window shades and incorporating them into your car care routine, you can effectively protect your car's plastic and rubber components from sun damage.

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Wash and wax your car regularly

Washing your car regularly is one of the best ways to protect it from sun damage. Aim to wash your car every two weeks to minimise UV damage to the paintwork. The two-bucket washing method is a great way to do this: simply use two buckets of water, one with soap and one with clean water, to prevent debris from being transferred back to the car's surface. This method, along with other proper washing techniques, acts as a "sunscreen" for your car, protecting it from harmful UV rays.

Bird droppings, for example, contain uric acid, which can damage the paintwork. The light reacting with the droppings speeds up this process, so it is important to wash your car regularly to avoid sun damage. Similarly, removing dirt and road grime will safeguard your car against UV rays.

It is important to note that some cleaning methods can damage the paintwork. Avoid using an automated car wash, dish soap, detergents, or worn t-shirts, as these can harm the paint and clear coat of your vehicle. Instead, dry your car by hand with a highly absorbent chamois cloth or microfiber towel.

Waxing your car is another great way to protect it from sun damage. Wax creates a physical barrier between your car and the elements, protecting it from sun damage and other hazards such as tree sap, bird droppings, and minor scratches. It is recommended to apply wax once every three months, or more frequently if your car is exposed to harsh weather conditions.

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Apply UV protectant sprays

Applying UV Protectant Sprays

The sun's ultraviolet (UV) rays can be extremely damaging to the plastic components of your car, causing them to dry out, discolour, crack, and deteriorate. To prevent this, you can apply a UV protectant spray, which acts as a protective layer to shield the plastic from these harmful rays.

Choosing a UV Protectant Spray

There are several products available on the market that are designed to protect your car's plastic from UV damage. Here are some options:

  • TriNova UV Protectant Spray: This spray is suitable for vinyl, plastic, rubber, fiberglass, leather, and more. It prevents fading, cracking, and discolouration caused by UV rays. It also restores colour and repels dirt.
  • Turtle Wax Ice: This product is a clear spray-on wax that provides UV protection and works well in intense sun.
  • CarGuys Plastic Restorer: This product is designed to restore faded and dull plastics, leaving them looking like new. It also provides UV protection to prevent future fading and cracking.
  • Meguiar's Ultimate Black Plastic Restorer: This restorer provides a long-lasting deep black finish while also shielding against UV damage and discolouration.

Application Process

Before applying any UV protectant spray, it is important to clean the surface thoroughly. Use a detailer spray and a terry towel to remove any dirt, grime, or residue. For tight spaces, use a paintbrush or cotton buds along with the detailer spray.

Once the surface is clean and dry, follow the instructions on your chosen UV protectant spray. Typically, you will spray the product directly onto the plastic surface and then use a clean microfiber cloth to wipe it down evenly. Allow the product to soak into the plastic and then buff it to a shine.

By regularly applying a UV protectant spray, you can effectively protect your car's plastic trim from sun damage and maintain its appearance and integrity.

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Use a ceramic coating or vinyl wrap

The sun's ultraviolet (UV) rays can cause significant damage to your car's plastic trim, resulting in fading, discolouration, and cracking. To shield your car from these harmful effects, you can opt for a ceramic coating or a vinyl wrap.

Ceramic Coating

Ceramic coatings, also known as ceramic protection, are formulated with silicon dioxide (SiO2) and advanced polymers. When applied, ceramic particles form a microscopic barrier on the car's surface, reflecting UV rays away and preventing the breakdown of the paint's molecular structure. This type of coating can provide superior protection for your car's paint, shielding it from sun damage, dirt, dust, grime, pollution, and other contaminants.

To apply a ceramic coating, you can either do it yourself or seek the services of a professional technician. The DIY approach may be more cost-effective, but it's essential to choose a reputable brand with high-quality ingredients to ensure long-lasting protection. Sensha Crystal Glow, for example, offers up to eight years of protection.

Vinyl Wrap

A vinyl wrap is another effective way to protect your car's plastic trim from sun damage. It acts as a protective layer, shielding the car's surface from direct sunlight, high temperatures, and UV rays. To enhance the durability of your vinyl wrap, regular cleaning is essential. Use soap and water or specialised car cleaning solutions to remove any dirt, stains, or contaminants. Avoid harsh cleaning agents, such as dishwashing detergents and window cleaners, as they can damage the wrap. Additionally, protect your vehicle from direct sunlight by parking it in a garage, under an awning, or in the shade.

Both ceramic coatings and vinyl wraps offer significant protection for your car's plastic trim against sun damage. Ceramic coatings provide a transparent layer that reflects UV rays, while vinyl wraps serve as a protective barrier, enhancing the durability of your car's finish. By choosing either of these options and maintaining proper care, you can effectively shield your car's plastic trim from the sun's harmful effects.

Frequently asked questions

The sun's UV rays dry out the oils in plastic, damaging the material at a molecular level. This leads to discolouration and cracking.

Park your car in the shade or use a windshield cover to protect your car from the sun's rays. Keep your car clean to prevent dirt and grime from exacerbating sun damage.

There are several products you can use to protect car plastic from sun damage, including:

- UV protectant sprays

- Sunblock or sunscreen

- Protective films

- Automotive paint sealant

- Ceramic coating

- Vinyl wrap

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