The roof of the car was smashed. How to fix it?

If the roof is accidentally dented and the paint is not damaged, we can take seamless dent repair, which is the so-called "micro-sheet metal". Compared with traditional sheet metal, seamless dent repair saves the step of repairing car paint, but only if the car paint is not damaged, otherwise it can only be used for sheet metal painting. The maintenance cost of the sag depends on the degree, area and vehicle level of the sag. The repair price of an ordinary 2-3cm depression is around 300-500 yuan.

The most common methods for repairing seamless dents are incremental launching method and suction method. Although the tools used in the two methods are completely different, the principle is basically the same.

Incremental launching method repairs dents:

1, prepare hooks of various sizes, and pry open the depression with hooks by pushing;

2. If the drooping position of the car body is inconvenient for hook operation, the body part corresponding to the drooping can be removed, repaired and reinstalled;

3. Hook the depression with a hook, and then continue to beat the depression with a rubber hammer and a horizontal pen, and you will find that the depression will gradually fade;

4, pry the top of these processes, can not be too hard, otherwise it will lead to damage to the car paint, seamless repair will become a sheet metal painting.

Suction repair method:

1. Different from incremental launching method, hot melt adhesive, absorbent gasket, absorbent device, degumming agent and other tools should be prepared for the ceiling absorption method;

2. First, choose a sucker with a suitable size. The bigger the washing machine, the greater the suction.

3. The absorbent pad needs hot melt adhesive to be stuck on the concave surface, and the absorbent pad that has just been stuck has to wait for a period of time to completely dry;

4. The gasket is connected with the suction device, which is convenient for pulling out the depression;

5. One suction can't restore the depression. It is necessary to repeat the above steps several times until the depression becomes slightly prominent.

6, because the hot melt adhesive may remain dry glue, so it is necessary to spray the adhesive to clean, and finally wipe it with a towel;

7. Like the pushing method introduced earlier, gently tap with a rubber hammer and a horizontal pen to slowly recover the depression.

Compared with sheet metal painting, it has the advantages of shorter time and lower cost, because there is no need to touch up paint. Generally, the price of seamless repair is around 200-500 yuan.