When motorists find out how much it will cost them at special stations, many often decide to carry out this procedure on their own. However, the answer to the question of how to paint the car yourself is not so simple. After all, it will not be enough to “douse” the car with paint and wait until it is completely dry. Special technologies should be used, training should be carried out, special equipment should be used. And there is no need to talk about the presence of special skills!
Painting a car is not a simple process of dousing paint.
Painting a car at home
First of all, if you do not yet know how to paint a car at home, you should wash the car thoroughly, since it will be easier to see the existing defects on a clean car.
In addition to the main processes, when moving, the body and its bottom are exposed to grains of sand, stones and other small abrasives.
Video on how to paint a car
Preparatory work should be carried out before painting the car. This procedure happens, point or capital. It all depends on the damage.
It is worth remembering that the painting process itself takes about 10% of the time, while the remaining 90% is preparation. First, locks and seals that can interfere with painting are removed. If they are left and simply covered with masking tape, the moisture that accumulates under these elements can damage the machine in the future. Next, you need to clean and prime the car body. The old coating is removed, and the centers of corrosion are processed.
Be sure to use materials from one manufacturer. Often materials produced by different companies can be rejected. That is why such a coating will not be able to last long enough.
Stages of car painting technology
Before answering the question of how to paint a car with your own hands, you should know that there are five main stages of painting.
- 1. using shampoos, removing impurities, conducting primary preparation.
- Degreasing the surface of the body, removing bituminous stains, lubrication.
- Elimination of corrosion centers, removal of old paint by abrasive grinding. Aluminum dioxide with silicon carbide act as abrasives. Grinding paper should be used based on the fact that the difference in the "number" should be no more than 100 units. The surface must be processed sequentially in five steps. If these provisions are violated and paper of a different “number” is used, the material will be subject to drawdown.
- Carrying out primary and secondary priming, which makes it possible to create an anti-corrosion coating on the body. It should be noted that the soil dries completely in 2-4 hours. Specialized boxes have infrared drying, which reduces the drying process of the soil to 15 minutes.
- Application of enamel or varnish.
Preparing the car body for painting
In the process of washing the car, road dirt is removed from the body with the help of water. Bituminous and grease stains must be removed with special products that are sold in every car shop, or with white spirit. However, it is strictly forbidden to use gasoline and other solvents.
After the body is cleaned, it is necessary to dismantle the front and rear bumpers from the car, remove the decorative radiator grille, radio antenna, headlights with sidelights, direction indicators and external lighting equipment. If there is shock protection in the wheel arches, it must also be removed. Then all surfaces should be thoroughly cleaned. Everything that was removed from the car must also be thoroughly washed, rust removed and dried.
Cleaning up defects
The next tip on how to paint a car is that it needs to be put in the light, preferably on the street to carefully study the condition of the body coating. Relatively large defects (chips, cracks, dents) should be marked with colored chalk or acrylic paint. After that, it is necessary to examine the machine again in order to find the missed defects and mark them again.
Then, using a chisel or a sharpened screwdriver (width of the “sting” 3-5 mm) and sandpaper (No. 60, 80, 100), defective areas should be cleaned to metal. Moreover, it should be taken into account that the area of cleaning should be as close as possible to the area of the defect in order to avoid additional time and material costs during subsequent processing.
It is also worth paying attention to the fact that the transition from a defective to a non-defective surface should be as smooth as possible.
This can be easily checked by touch by hand on the surface of the body.
After all these works have been carried out, you need to again carefully clean the surface of the body from dust, wipe the cleaned places with a cotton rag. In this case, the rags must be moistened with white spirit. In the end, you need to let the body dry.
During the overhaul of the car, sometimes it is necessary to clean the body completely. Such a procedure may seem difficult for the first time, but if desired, everything is possible.
Alignment of defects
Next, you should start filling defects, for which polyester synthetic auto-filler, rubber and metal spatulas are used. To close up defective areas, the use of a finishing putty is recommended, since it is fine-grained, so sanding work will be much easier.
Putty with hardener is mixed with a special metal spatula. The proportions for obtaining the batch are indicated on the jar, however, according to the practice of many motorists, putty should be taken 2 tablespoons and a hardener 3-4 cm long.
The materials are thoroughly mixed for 30-40 seconds, after which the mixture must be immediately applied to defective areas using vigorous cross movements with a 90 degree turn. So you can get a flat, smooth surface that will protrude slightly above the body surface.
It is important to know that a chemical reaction takes place in the putty, and a certain amount of heat is released from 5 minutes after it has been stirred. That's why you need to work fairly quickly, however, without much fuss.
Putty should not be used when lumps begin to appear during application.
The puttied area must be completely hardened. As a rule, this happens after 30-45 minutes. To check if the surface of the body is ready, you need to rub the puttied place with dry sandpaper (No. 80). If the putty does not stick to the grains of the paper, and the putty itself is showered with dry fine-grained powder, then hardening is over.
Cleaning the putty surface is done manually with sandpaper
(No. 120-600) until the surface is finished in geometry and roughness to indicators that are identical to the body surface. Stripping should be carried out in several steps, additionally lubricating the prepared putty if necessary.
It is better to carry out stripping without wetting the surface with water, since when water enters the putties, its quality deteriorates.
Filled areas should be controlled by stroking the treated areas with your palm. To finally check the putty surfaces, they should be well cleaned of dust, wiped with a rag moistened with white spirit and dried.
Then you need to apply a primer layer from a can (preferably a light gray shade) to the surface with a transition to clean surfaces and control the quality of the cleaned surfaces.
Preparing for DIY painting
The last preparatory step before learning how to properly paint a car is to thoroughly clean the body of dust.
In addition, with the help of masking tape, it is necessary to seal those parts of the body that cannot be painted (including the need to cover the wheels). The height of the step between the unpainted and painted parts should be approximately 0.02 mm. The boundaries of these parts must be placed along the boundaries of the bend or the boundaries of some body parts.
Next, you need to sand the paintwork with sandpaper No. 1200 to a matte state, re-clean the body of dust and wipe it with a rag moistened with white spirit, dry it, carefully check the cleanliness of the surface.
You should also say a little about the room where the painting will be carried out. If the process will take place in a garage, it should be quite large and have a working area of at least 2 m around the perimeter of the car. Before you start painting the room, you should thoroughly clean it of dirt and dust, wet the floor with water, making sure that dirt, plaster and so on do not fall from the ceiling.
Auto enamel should be purchased with the possibility of drying without the ability to bake. The choice of brand of coating for painting remains with the car owner.
car painting
In accordance with the instructions for use, it is necessary to dilute the enamel with a solvent to the desired density.
Painting should start from the top of the car. It is necessary to paint from a distance of 1.5-2.5 cm from the gun nozzle to the painting surface with smooth movements. It is necessary to apply 2-3 layers, observing 15 minutes of intermediate drying.
You shouldn't rush. The manifestation of color and depth occurs only when stained with a second layer. The car dries completely within
24-36 hours at a temperature of +20 degrees.
Car Painting Precautions
- Work only in a respirator and in a well-ventilated area.
- It is necessary to locate the source of air intake outside the room where the painting takes place.
- It is strictly forbidden to smoke indoors.
After the first experience of painting a car, you can always comment on your first experience on our website, as well as give your advice.
Video on how to paint a car yourself at home
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