Ethan Clarke
Colour-coding plastic bumpers can be done in a few different ways. You can paint the existing bumper, replace it with a new one, or buy a car with pre-coded bumpers. If you decide to paint your bumpers, you will need to find the colour code and test the paint on a small area to ensure it matches. Spray paint is a good option for plastic bumpers, and you can choose to prime the surface first or use a paint that requires no primer.
| Characteristics | Values |
|---|---|
| Colour-coding method | Painting existing bumpers, replacing bumpers with pre-coloured parts, or buying a vehicle with colour-coded bumpers |
| Paint type | Spray paint, no plastic primer needed |
| Colour matching | Colour codes can vary between car manufacturers and production series; exact matches may require test sprays |
| Texture | Textured bumpers are challenging to paint and may require de-texturing |
| Cost | Colour-coding bumpers can range from £600 to £1,200 |
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What You'll Learn
Finding your car colour code
To find your car's colour code, you can start by looking for the vehicle information sticker, which is usually located on your dashboard, in the trunk, or inside your driver's side door jamb. This sticker contains valuable information about your vehicle, including the vehicle identification number (VIN), tyre type and pressure, max load capacity, and the paint code. The colour code is usually labelled as "Ext Pt." or "C" and is a mix of letters and numbers.
If you are unable to locate the vehicle information sticker or if it is damaged, you can try other methods. Firstly, take a well-lit photo of your car under natural lighting to avoid glare. While a custom paint mixer may not provide an exact match based solely on a photo, they can still offer their best estimate. If your car was professionally repainted, it may still have the original paint code available in an online database. By providing basic information such as the make, model, and year, you can potentially retrieve the colour code.
Additionally, you can contact your local dealership or refer to online forums specific to your car make and model. Dealerships have access to private paint information associated with your VIN. Online forums, such as those dedicated to Volkswagen Up owners, can provide insights into colour codes for specific models and years.
It is important to note that vehicle manufacturers may update paint codes even for colours with the same name. Thus, it is recommended to use the colour code rather than the colour name when seeking paint services or ordering painted products.
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Preparing the bumper for painting
Preparing a plastic bumper for painting involves several steps to ensure the paint adheres properly and the final product looks professional. Firstly, find a well-lit, well-ventilated, and safe place to work. Then, remove the bumper from the car, being careful to note the connection points, which may include screws, tabs, bolts, and other fasteners. Next, wash the bumper thoroughly with degreaser and water, scrubbing the surface with a tack cloth and soapy water to remove any dirt, oil, or waxy buildup.
Once the bumper is clean, you can begin the process of sanding. Start by wet sanding the entire bumper with 600-grit sandpaper, keeping a constant layer of water underneath the sandpaper as you work. This will help to create a uniformly smooth surface for painting. After sanding, use a spray bottle to wet any imperfections and sand them smooth with 1500-grit sandpaper. Wipe away any dust with a clean tack cloth.
If you plan to use a spray gun, you may want to apply an additional aerosol primer between sandings. Options include the Dupli-Color Adhesion Promoter Aerosol Primer and the Transtar 2 in 1 Aerosol Primer. After you are satisfied with the smoothness of the bumper, thoroughly clean all surface areas with a paint prep product to remove any remaining dust. Finally, before painting, wipe everything dry with a microfiber towel.
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Choosing the right paint
Painting plastic bumpers is a great way to refresh the appearance of your car. Choosing the right paint is crucial to achieving a flawless finish that matches your car's existing paintwork. Here are some factors to consider when selecting the paint for your plastic bumpers:
Colour Matching
Before painting your plastic bumpers, it is essential to determine your car's exact colour code. Car manufacturers use various exterior paint colours, which may vary from year to year. The colour code will help you select the right shade for your bumpers. You can find the colour code by referring to your car brand's specific locations, such as checking under the hood, on the driver's side door jamb, or on the firewall near the engine.
Paint Type
When choosing the paint type, opt for a product specifically designed for plastic bumpers, such as the Bumper Paint by MOTIP. This paint is formulated to adhere well to plastic surfaces without the need for a plastic primer or clear coat. Ensure the paint is available in the colour you need and that it matches your car's colour code.
Application Method
Consider the application method that works best for you. Spray paint is a popular choice for painting plastic bumpers as it provides a flawless and seamless finish. It is easy to apply and can be done with a spray can or a paint gun. If using a spray can, ensure you activate it before starting, and apply light coats from a distance of 9-12 inches away, making multiple passes back and forth.
Clear Coat Finish
After applying the base colour, you can choose to add a clear coat finish, such as a Gloss Clear Coat or Matte Finish Clear Coat. This layer will enhance the shine and protect the paint. Apply the clear coat in the same manner as the base colour, ensuring light applications and multiple coats.
Preparation
Proper preparation is key to achieving a professional finish. Ensure you have a well-lit and well-ventilated workspace. Before painting, thoroughly clean the plastic bumper to remove any dirt, grease, or dust. You can use a paint prep product, such as SEM's Plastic & Leather Prep, and wipe everything dry with a clean microfiber towel.
By considering these factors and choosing the right paint for your plastic bumpers, you can achieve a seamless colour match and a refreshed appearance for your vehicle.
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Painting techniques
Painting your car's plastic bumper can be a simple and cost-effective way to refresh your car's exterior and enhance its overall look. It is important to prepare the surface and choose the right paint to ensure a professional finish.
Firstly, it is crucial to identify the type of plastic the bumper is made of, as this will influence its adhesiveness to certain paints. Common types of plastic bumpers include polypropylene, polyurethane, and ABS, each with unique properties that affect painting. For instance, polypropylene is flexible and resilient, polyurethane is known for its durability, and ABS is sturdy and easy to paint.
Before painting, it is essential to clean the bumper thoroughly to remove any dirt, grease, or dust. This can be done using a mild soap or plastic cleaner. Once the bumper is clean, it is necessary to lightly sand the surface using sandpaper, starting with 180-grit sandpaper and progressing to 320-grit for a smooth finish. This texture helps the paint adhere better. After sanding, be sure to wipe the surface with a clean microfiber towel to remove any remaining dust.
The next step is to apply a high-quality plastic primer. Priming the bumper significantly enhances paint adhesion and extends the life of the paint. It is worth noting that some bumper paints, such as MOTIP Bumper Paint, do not require a plastic primer. However, if you are using an aerosol can, it is generally recommended to prime the surface first.
When choosing the paint, select a product specifically designed for plastic bumpers, such as acrylic, polyurethane, or automotive spray paint. Ensure you have enough paint for complete coverage and practice your technique to avoid drips. If using a spray can or paint gun, maintain a consistent distance from the surface, and apply several thin layers until the desired result is achieved. Always follow the specifications provided in the product's technical data sheet for the best results.
Finally, finish the painted bumper with a clear coat to enhance the paint's durability and provide a glossy finish. Regular maintenance, including washing, drying, and waxing, will help maintain the bumper's fresh appearance. Avoid using harsh chemicals or exposing the bumper to extreme heat, as this can lead to premature wear and detract from the finish.
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Troubleshooting
Sourcing the correct colour
Firstly, you need to know the colour code of your car. Car manufacturers make many different exterior paint colours, and they can vary from year to year, so it is important to get the exact match. You can find the colour code in your car's manual or by checking the manufacturer's website. If you cannot find the code, you can check the colour chart at a shop. It is recommended to always spray a small sample to check if the colour matches. Lighting and panel shapes can also affect how the colour looks, so it is important to view the car in different lighting conditions to ensure a perfect match.
Surface preparation
Before painting, the bumper must be deeply cleaned and then degreased. If the bumper is not smooth, it may need to be sanded down to create a smooth surface for painting.
Paint application
Spray paint is the recommended method for painting plastic bumpers. Some paints require a primer to be applied first, while others can be applied directly to the plastic surface. Always follow the manufacturer's instructions for the specific paint you are using. When spraying, ensure that you are in a well-ventilated area and that the temperature is warm enough for the paint to dry properly.
Paint issues
If the paint is not adhering properly, it could be due to an uneven surface or improper preparation. Ensure that the bumper is thoroughly cleaned and degreased before painting. If the paint is cracking or flaking, it could be due to applying too much paint or not allowing enough time for drying between coats. Always follow the instructions on the paint for proper application techniques and drying times.
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Frequently asked questions
There are a few ways to colour code plastic bumpers. You can either:
- Paint the existing bumper
- Replace the bumper with a colour-coded one
- Buy the car with colour-coded bumpers
To paint plastic bumpers, you will need to find the colour code for your car. You can then use this code to find the correct paint colour. It is recommended to spray a small sample to check if the colour matches. Once you have the correct paint, you will need to prepare the bumper by cleaning and degreasing it. Finally, you can spray paint the bumper.
You can use the Bumper Paint by MOTIP on plastic bumpers. This paint comes in multiple colours and does not require a plastic primer or clear coat.
