Lena Rivera
Painting the inner barrel of your wheels can be a great way to improve their appearance and make them easier to clean. Some people choose to paint their inner barrels black to hide brake dust and dirt, while others prefer to match the colour of their car or experiment with different colours. Before painting, it is important to clean and sand the surface, and some people recommend using a primer and a clear coat to improve the finish and protect against scratches. It is also important to follow safety instructions when working with paint and to wear protective gear.
| Characteristics | Values |
|---|---|
| Reasons to paint the inner barrel | To improve the look of the wheels, to make them easier to clean, to hide brake dust, to cover up dirt and muck |
| Colours to paint the inner barrel | Black, silver, chrome, grey |
| Products to use | KBS RustSeal and BlackTop in satin black, KBS AquaKlean, RustBlast, DiamondFinish ClearCoat, Duplicolor clear, Wurth silver, Krylon |
| Techniques | Powdercoating, sanding, wire wheel, use of sander, use of adhesion promoter, use of primer |
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What You'll Learn
Painting the inner barrel black
Painting the inner barrel of wheels black is a common practice, especially for those who want to improve the appearance of their wheels or make them easier to maintain. Some people choose to do it themselves, while others opt for professional services like powder coating or sending them off to companies like iForged for cleaning and coating.
If you plan to paint the inner barrel of your wheels black, there are a few things to keep in mind. First, it is important to prepare the surface properly. This may involve sanding or scuffing the inner barrel to create a rough surface for the paint to adhere to. Be sure to wear protective gear, such as nitrile gloves and eyewear, during this process to avoid any skin or eye contact with the chemicals involved.
Once the surface is prepared, you can move on to painting. Some people choose to use a paintbrush, while others opt for spraying. If you decide to spray, be sure to follow the necessary safety precautions, as the paint can be harmful if inhaled. It is also important to mask off the area around the spokes to avoid any overspray.
Some specific products that have been recommended for painting the inner barrel of wheels black include KBS RustSeal and BlackTop, which provide protection against UV damage and rust. It is also suggested to use an adhesion promoter to help the paint adhere to the prior coat. Relative humidity should be considered when painting, as it can impact the curing process of the paint.
Before committing to painting, it is recommended to try out different colours or finishes on a small section of the wheel or on colour poster boards to see what suits your taste and the car's exterior. Remember, personal preference plays a significant role in choosing the right colour for your wheels.
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Sanding and priming
Sanding:
Before applying primer or paint, it is essential to prepare the wheel surface thoroughly. Start by removing any existing paint or coatings from the wheel. This can be done through various methods, including sanding, paint stripping, or sandblasting. Sandblasting is particularly effective in achieving a bare metal finish, although it may require specialised equipment or facilities. Once the paint is removed, use a wire wheel to remove any pitting or imperfections.
Next, use sandpaper to smoothen the surface and create a uniform base for the primer and paint. Start with a lower grit sandpaper, such as 150 or 300 grit, to remove any light blemishes and scratches. Progress to a finer grit, such as 500 grit, to ensure the wheel is smooth to the touch. If you plan to retain a polished shine on specific areas, be sure to mask them off with painter's tape before sanding.
Priming:
Priming serves two essential purposes: enhancing paint adhesion and preventing rust. Even if you have aluminium alloy wheels that are not prone to rusting, priming is still crucial for adhesion and identifying any blemishes that may have been missed during the sanding process.
Select a suitable primer for your wheel type and follow the manufacturer's instructions for application. Allow the primer to dry, then inspect the wheel for any imperfections, such as high or low spots, nicks, or scratches. This is your opportunity to make final corrections before painting. Remember that removing primer and sanding the area again is a tedious process, so take your time to ensure a smooth finish.
Apply multiple light coats of primer instead of a single heavy coat. This approach will create a more even and durable base for the paint. Depending on the primer used, you may need to roughen the final coat slightly to improve the adhesion of the subsequent paint layer.
By following these sanding and priming instructions, you will create a smooth and well-prepared surface for painting, ensuring a professional and long-lasting finish.
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Using powder coating
Powder coating is a great way to finish the inner barrel of your wheels. It is a more durable option than paint, and it is less likely to chip or scratch, which can leave the metal underneath exposed and vulnerable to rust. Powder coating also provides a more consistent, professional appearance, as it is distributed evenly over the wheel's surface.
The process of powder coating involves several steps. First, the old paint layer must be removed through mechanical or chemical means. For steel rims, both methods can be used, but for aluminum rims, only chemical stripping is recommended as alloy rims can bend under high-pressure blasting. After stripping, any defects in the rim should be repaired. The rim is then roughened under low pressure with a sharp-edged abrasive to improve the adhesion of the powder. Next, the rim is pre-treated to remove any remaining dirt, rust, or debris. This can be done chemically or with shot blasting, an environmentally-friendly method that uses recycled materials.
Once the rim is prepared, it is ready for powder coating. The rim's surface is sprayed with electrostatically charged color and resin particles, which adhere to every part of the surface without running or pooling. This creates a stronger coat than painting, providing more protection for the wheel. Finally, the powder coating is baked in an oven at around 400 degrees Fahrenheit to cure the finish.
Powder coating offers several benefits over painting, including corrosion protection, weather resistance, chemical resistance, and impact resistance. It also provides a wide range of colour options and finishes, such as metallics, flip-flop, dormant, or pearlescent. While powder coating may be more expensive and complex than painting, it is a premium option that provides a long-lasting and protective finish for your wheels.
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Colour options
Colour Wheel Theory
Using a colour wheel can be a helpful way to choose a colour scheme for your wheels. The colour wheel is a visual representation of colour relationships, with primary colours (red, blue, and yellow) forming the basis of the wheel. Secondary colours (orange, green, and purple) are created by mixing primary colours, and tertiary colours are formed by combining a secondary colour with a primary colour. Warm colours, like those on the yellow-red side of the wheel, are associated with energy and can make a space feel larger. Cool colours, found on the blue-green side, evoke a sense of calm and can create a more intimate atmosphere.
Complementary Colours
When choosing a colour for your inner barrel, consider a complementary colour scheme. Complementary colours are found directly opposite each other on the colour wheel. When used together, they create a striking contrast that enhances the vibrancy of both hues. For example, pairing green with red or blue with orange can result in a visually appealing and well-balanced design.
Monochromatic Schemes
If you want a sophisticated and cohesive look, consider a monochromatic colour scheme. Choose different shades, tints, and tones of the same colour for a subtle and harmonious appearance. You can create shades by adding black to a base hue, making it darker and richer. Tints are achieved by adding white, while tones can be made by adding grey.
Popular Choices
When it comes to painting wheel barrels, some popular colour choices include black, silver, grey, and chrome. Black can create a bold statement, especially when paired with a red accent. However, some people find black barrels unappealing, especially on dark-coloured cars. Silver, grey, and chrome finishes can provide a sleek and modern appearance that complements various car colours.
Personal Preference
Ultimately, the colour you choose for your wheel's inner barrel is a matter of personal taste. You may want to experiment with different colours or try out cheaper alternatives, like colour poster boards, to get a sense of how different hues will look before committing to a specific colour. Remember, it's your vehicle, and you should choose a colour that resonates with you.
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Cleaning the chrome
Chrome wheels are known for their mirror-like reflective shine, but they require careful and consistent upkeep. If not properly maintained, chrome wheels can corrode at the bead and valve stem, causing air leaks, develop pitting from corrosion, lose their shine, or even peel away from the metal structure underneath.
Chrome is a soft metal, making it especially vulnerable to brake dust, a corrosive mix of adhesive, carbon fibres, and metal shavings produced by braking. Since brake dust forms constantly as you drive, regular cleaning is essential. Frequent cleaning with an appropriate cleaner is the only effective way to remove stains from chrome rims and protect them from damage. Using the right cleaner is crucial. Many soaps contain harsh chemicals like oxalic or hydrofluoric acid that can stain or damage chrome.
To clean chrome rims, start by rinsing one wheel at a time with a hose or pressure washer to remove loose dirt and brake dust and prevent water spots. Then, thoroughly coat the surface with a suitable cleaner. Let the cleaner sit for 1-2 minutes. Next, use a soft-bristled brush to loosen brake dust and grime without scratching the chrome. Be sure to reach through the spokes to clean the front and back. Rinse thoroughly, ensuring you clean the lug nut holes and between the spokes. Finally, let the wheels air dry or use a microfiber cloth to avoid scratching the chrome. Repeat this process for the remaining wheels.
To maintain the shine of your chrome wheels, apply chrome polish to seal the surface. You can polish by hand or use a polishing tool similar to a car wax tool to smooth out and dry the polish. How often you should polish your wheels depends on the climate you live in and how often you clean them. If you're regularly rinsing your chrome rims with water and brushing them off, you won't need to polish them as often. However, if you experience harsh winters or frequently come into contact with saltwater, you may need to polish more frequently.
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Frequently asked questions
Painting the inner barrel of wheels can improve their appearance, especially if they are starting to show signs of age and peeling. It can also make them easier to keep clean and hide brake dust.
The colour you choose is a matter of personal preference. Some people prefer to match the colour to the exterior of their car, while others choose a contrasting colour to make a statement. Popular colours include black, silver, chrome, and grey.
There are several paints specifically designed for wheel rims, such as Wurth wheel paint and Krylon. It is also important to consider using a primer and a clear coat to improve the adhesion and longevity of the paint.
The process for painting the inner barrel of wheels involves sanding, cleaning, and etching the surface before applying a primer, paint, and clear coat. It is important to follow the safety instructions and use the proper equipment when working with paint.
