Remove rust from cars

When structural parts, such as B. The frame, spars and sills are rusted through, they have to be in one workshopYou should weld here, you can repair all other parts such as fenders and doors yourself, even if the spot is rusted through, without any problems TÜV to get.

Act quickly if your car is rusty

1. First you have to mask the rust area to be treated with masking tape so as not to damage the surrounding paint when sanding it off.
2. Sand down the paint with coarse emery paper, 80 or 150 grit, down to the sheet metal, then rework with finer emery paper, 240 grade emery paper is suitable for this.
3. The next step is to apply rust converter, Fertan is recommended, which protects against new rust for six months even if you do not paint immediately. Sonax rapid rust remover is also ideal for small rust spots because it is easy to use and the primer is already included. Heronica Longlife as a spray spreads evenly and forms smooth surfaces, a real advantage for easily visible areas on your car.
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4. Regardless of which manufacturer you choose, you have to let the rust protection act for one to two days. Only then can you apply a primer.


Rust converter for the car - how to use it correctly

A rust converter can help you if you work on the car or other metal objects ...

5. If a hole picks up when removing the paint, use it after the Rust protection repair resin with hardener, the mixing ratio is given in the instructions for use included.
6. Now you will also need fiberglass repair mats; if possible, approach the hole from both sides. Choose a coarse fabric for the inner area and a thinner fabric for the outer area.
7. Apply the repair resin to the treated area with a brush. Adjust the fiberglass repair mat to the size of the spot and press it onto the resin, then reapply resin, inside and out. Apply the resin repeatedly until it is even.
8. Sand smooth after hardening. If there are still large indentations, mix glass fiber filler paste with hardener on a piece of cardboard as needed. After hardening, you can fill the resulting pores with filler or fine filler.
9. If the pores are not too large, sand with 80 or 150 grit sandpaper until the rough waves are gone and the shape is restored.
10. With first 240 and then 600 grit you give your repaired area the final sanding. If you have scratches in the car from sanding, use a filler instead. Now remove the tape.

After removing the corrosion, you can paint

You shouldn't wait too long to paint it, because the paint is not just for the eyes, it also protects your car from rust.

1. If you would like to paint the treated area yourself, you have to mask a slightly larger area again. The professional trick here is to let the masking tape stand halfway up all around, the spray mist can then be polished in and you get a smoother transition.
2. You should find the right color name for your car on a label in the trunk, but you can also find it in front of the paint make a spray pattern for comparison.
3. Water-based paints dry slowly, but are better for your health and the environment. The lacquer must be applied crosswise in a total of 3-4 layers, always allowing 10 minutes to dry in between so that no color runs occur.
4. After a week, or better yet, in four weeks, polish the painted surface with paint sanding paste, as the paint that is still open has collected foreign particles such as dust.
5. Polish the entire door or the entire fender, depending on what you had to treat.
6. Without masking off beforehand, spray clear varnish, like the colored varnish, crosswise but over a larger area, also here in 3 layers, each of which has to dry for 10 minutes.

You should use the rust protection after every stone chip, scratch or accident it is essential to replace it, otherwise you will have to remove rust from your car again very soon. Good ride.