Squeeze the putty directly out of the tube into the hole until it completely covered. Smooth the surface and remove any excess putty using a flat-edged putty knife. Car putty can be purchased online or from a hardware store.
Clean the surface of the car using a dry cloth. Remove any dust or dirt from the area using an old dry cloth. If there is any wax or stubborn dirt, try wiping it off using cellulose thinner. This will help to dissolve the wax and baked on dirt.
Wipe the cellulose thinner over the area using an old cloth. You will only need a small amount as it is extremely potent. Always use cellulose thinner in a well-ventilated area as the fumes can be toxic. Cover any areas not being painted using painters tape and paper.
Rip off pieces of painters tape and use them to cover any exposed surfaces that you don't want paint on. If you are trying to cover a large surface, such as a window, tape pieces of paper over the surface to protect it from the spray paint.
Part 2. Choose a sheltered and well-ventilated location to use the spray cans. Aerosols work best in warm, dry and sheltered conditions. Work inside a well-ventilated garage if it is cold and damp outside.
Avoid humidity if possible as this makes it harder for the paint to dry. Wear safety goggles and a dust mask to protect yourself from the paint fumes and dust. Apply 3 coats of primer, waiting 15 minutes between each coat. Apply the primer to the car from 25 centimetres 9. Spray primer over the entire surface that you will be painting. Gently push down the spray button and move the can across the area using even, back and forth strokes. Move at a consistent pace to achieve an even coat.
Wait 15 minutes before applying the next coat of primer. You will need at least 3 coats in order to get an even covering. Allow the area to dry for at least 24 hours after the last primer coat. Sand the area with grit wet and dry paper until it is smooth. Wet the sandpaper and rub it back and forth over the area until the primer coat is smooth and even. If you are sanding a large area you may need multiple pieces of sandpaper to achieve a smooth finish. Clean the area with warm, soapy water.
Remove the dust from the car using warm, soapy water on a cloth. Rinse the car to remove the soap suds and then dry the area with a towel or wait for it to air dry. Part 3. Shake the paint can for at least 3 minutes. The pigments in the paint separate over time so you will need to shake the can vigorously to re-combine them.
Contaminants can drop onto the wet paint and ruin the finish. Then, wash the car to remove any surface contaminants such as dirt, grease, and road grime. Before you start sanding and applying primer, decide what you want to paint. Do you want to paint the engine bay, trunk, or inner doorsills? Painting these can add time and complexity to the project, especially if you're going to paint the engine bay, which could require some mechanical knowledge to remove the engine and other accessories.
To achieve the best finish, sand the entire car back down to the bare metal, giving the new prime coat a perfectly smooth surface to adhere to. Once the car is stripped to your desired surface, wipe down the exterior with a clean rag and paint thinners. This will help remove any dust, and then wait until any residue from the thinners evaporates before continuing. Hold the spare gun approximately six inches from the panel and spray in a side-to-side sweeping motion.
This will lead to the paint being thicker in some spots, which could cause the paint to run. With your painting technique mastered, you can start applying the primer to the car. It usually takes two or three coats to cover a surface.
Each coat will take about 10 minutes to apply per vehicle panel and another 20 minutes-to-an-hour for the primer to cure between coats. Using a rag and denatured alcohol or mineral spirits, wipe down all surfaces of your vehicle thoroughly, to remove any oil residue and ready it for painting. If you have sanded down your vehicle to the bare metal, you will want to use a corrosion-resistant and self-etching primer in order to prime the surface of your car.
If you removed any rust, make sure to prime these properly by feathering them until they are smooth and applying enough primer to the areas. Allow all primer to cure thoroughly, according to instructions on the container.
Sand the newly primed surfaces once more, but be sure not to sand too much and expose the metal surface again. Typically, it will take three to four coats to completely cover the surface. Before you apply your last coat, sand the surfaces once more to remove powdery residue, then wipe with a clean rag. Remove masking tape while the clear coat is still wet, then allow the clear coat to dry according to your manufacturer. Using circular motions, complete your paint job by buffing out all painted surfaces.
Skip to Content. Even if you spray a clear coat over your work, spray painting a car merely prolongs the inevitable: the need to actually have a professional paint job done at some point in the future. Do your car paint research to get the most out of your body shop visit , then bite the bullet and give your car a coat of paint that will last.
Photo courtesy of FreeImages. Know How. Having been bitten by the car bug at a young age, I spent my formative years surrounded by Studebakers at car shows across Quebec and the northeastern United States. Over ten years of racing, restoring, and obsessing over automobiles lead me to balance science writing and automotive journalism full time.
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