1. Strictly following the manufacturers instructions (violation of these may lead to improper hardening of the putty mass), mix a small amount of putty on a clean wooden or cardboard surface (use hardener carefully).
2. Using an applicator, apply the filler to the appropriately prepared (see above) surface of the damaged area of the body panel.
3. To achieve the desired surface contour and filler level, each stroke of the applicator must pass through the entire surface being repaired.
4. As soon as the contour of the putty surface becomes close to the original, immediately stop applying the putty, as it will harden and begin to stick to the applicator, forming lumps and leaving scratches on the surface being treated.
5. Continue applying layers of paste at intervals of about 20 minutes until the level of the putty surface is slightly raised above the surrounding metal panel.
6. After the putty has hardened, any excess can be removed using a file.
7. Next comes the stage of sanding and polishing the putty surface. The best sandpaper for this purpose is waterproof imported sandpaper (because it maintains uniform grain size of the abrasive and good adhesion to the base). You should start with coarse-grained paper No. 180 and, progressively decreasing the graininess, you can finish with No. 600. In order to achieve adequate flatness of the treated surface, the paper should first be wrapped around a block of dense rubber (wood or foam) or stick it on it. During the processing, the paper must be regularly and frequently moistened with water. This technology allows achieving absolute smoothness and evenness of the treated surface at the final stage.
8. At this stage, the treated damaged surface should be surrounded by a ring of clean, exposed metal, ending in a gradually tapering edge of good paint. Rinse the treated surface with clean water, washing away all the abrasive formed during grinding.
9. Spray the treated surface with a thin layer of light-colored primer from an aerosol can. This will reveal all the defects made during sanding, which can be eliminated by covering them with a layer of fresh putty.
10. Repeat the sanding and polishing step.
11. Repeat alternating filling, surface treatment and priming until a satisfactory result is achieved.
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12. When finished, rinse the treated surface with water and dry it.
Now the surface is ready for painting. Painting a car with an aerosol should be done in still, dry, warm, and dust-free air. The conditions that best meet these requirements are those of a large, closed and heated room. If circumstances force you to paint the body outdoors, you should take the selection of suitable weather conditions very seriously.
1. When working indoors, control dust by spraying the floor with water.
2. If you are painting only a single panel of the vehicle body, cover the surrounding undamaged panels.
3. This precaution will help to minimize the effect of slight differences in the tones of old and fresh paint. Trim elements such as chrome trim strips, door handles, etc. should also be covered (or better yet, take it off).
4. To protect surfaces that are not to be painted, use masking tape and old newspapers, which should be applied in several layers.
5. Before using the spray, shake the can thoroughly, then spray the paint on a test surface to practice the painting technique.
6. Cover the surface prepared for painting with a thick layer of primer. The thickness is achieved by repeatedly applying the primer in thin layers.
7. Without sparing water, use moisture-resistant sandpaper No. 600 to treat the primed surface, achieving its absolute smoothness.
8. Allow the primer to dry completely before applying the final paint.
9. Apply a layer of decorative paint, again achieving thickness by applying it multiple times.
10. Start painting from the center of the area being repaired, making circular movements with your hand holding the spray can, expanding their radius in a spiral until the entire damaged area is covered, plus a ring of surrounding good water about five centimeters wide.
11. After 10-15 minutes (better not later, so as not to damage the edge of the fresh paint that is starting to harden) after applying the final coat of paint, remove the newspapers and tape that were covering the surrounding body panels.
12. The paint will fully cure within about two weeks, after which, to smooth out the transition of fresh paint, treat the restored surface with a very fine grinding paste.
12. Finally, apply a coat of wax to the panel.
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