The technology of painting a car is based on the fact that a repaired part must be painted completely and at least three layers of paint and varnishes should be applied. An important nuance is the protection of the entire machine from careless paint on parts that do not need painting.
There are two protection options. Firstly, close not painted parts with paper, fastening it with tape for this. The second option is covered not painted parts made of water, dextrin, glycerol, chalk. Such a mixture is easily washed off with water, but caution should be observed when applying it so that it does not fall on the stained surface.
DIY car painting involves paying special attention to the choice and preparation of a primer, putty and paint.
First of all, for painting the car, it should be well washed and completely dried. It is advisable to partially disassemble the body, that is, remove rubber gaskets, decor parts with galvanic coating. It is recommended to stain and dry the body in parts, which means it is necessary to remove the lid of the trunk, hood, door, wing.
After the parts are not painted, it is necessary to completely remove all the foci of the rust up to the iron base and apply a primer layer to the part, which should be as thin as possible. Next, you can remove the old paintwork, for which chemical and mechanical methods are used. Mechanical cleaning involves the use of manual or mechanized tools, that is, metal scrapers, brushes, chisels, skins, carbourundum or sandpaper stones. With the chemical method of removing the old painting, various flushing mixtures are used.
Next, you can proceed to the alcohol degrees of the body, while carefully monitoring that there are no villi from fabric or brush. Now it remains only with the help of putty to level irregularities and you can start painting.
In order to prevent teca and achieve the desired result, it should be painted with rapid horizontal movements, moving from top to bottom. And only after the first layer has dried, you can apply the second.
The most common repair and painting requires such a car of a car as a bumper. DIY bumper repair depends on the material from which the bumper is made and the degree of damage. So, the repair of the metal bumper of old car models is a rather laborious process in which if you do not adhere to a certain technology, then the bumper will rust. With severely damaged metal bumers, they are not repaired, but replaced.
Modern cars are equipped with plastic bumers, small scratches, dents on which can be closed with your own hand. Serious damage is better to correct in a car repair shop. Bamers with significant holes, countless cracks, very distorted better to replace with new.