High temperature has damaged the antirust paint inside the sheet metal, because it has damaged the inside of the steel plate and the paint coating, and the inside of the car body will begin to rust. If the environment of the vehicle is humid, it will rust ahead of time.
Under normal circumstances, the other side of the sheet metal needs to be rusted, but for cost reasons, most shops will omit it.
In addition, if the putty is too thick or not dry enough at that time, it is likely to fade and burst in the future, which will be obvious in three to five years.
Attached Sheet Metal Profile:
Automobile metal plate (metal plate; Sheet metal) is a technical means of automobile repair, which means that the car body should be repaired after collision, that is, besides the anticorrosion and decorative spraying of the car body, other work is called sheet metal.
Such as body damage analysis, body measurement, body sheet metal shaping, tension correction, stress relief welding, body accessories assembly adjustment and so on.