Spraying water on the surface will cool the paint down and help to move the compound over the surface. Sanding What is Sanding? Press lightly to remove minor light scratches in colour coats and clear coats quickly. Priming What is Priming? Insider Tips Pause and inspect the area. This is the ideal time to take stock of the situation and work out if any further surface prep, such as sanding, needs to be done.
You can clearly see any surface imperfection once the primer has dried. Remove any bumps or rough patches by re-sanding the area. Clean and re-apply the primer.
May 12, 3 min read. Collisions, windblown shopping carts, severe weather, poorly aimed baseballs Regardless of whether the outcome is a deep dent or minor scratches, using the right sandpaper during the repair process is a key part of producing quality results. The first step is choosing a sandpaper with the right grit.
In general, grit numbers range from around 40 to and up. The lower the number, the coarser the sandpaper. The first rule of auto body repair is that you should start with the least aggressive sandpaper you can that will still get the job done. The last thing you want to do is cause damage in the way of deep scratches that will require more work to remove.
Low-grit sandpapers are more appropriate for auto body repair jobs that require rough surface areas to be flattened out. This can happen if the vehicle has received several successive coats of paint, resulting in an uneven, patchy surface.
Now there is a mark in the clear coat on that small area. Not that noticable but you can see if you look close and some of the scratch is still there! So is that damage that cant really be repaired now? I problably maybe should of used grit sand paper maybe? I have never really done this before. Hi Roger. You definitely should have started with first and wet sanding, not dry.
Sand a little around the scratch too. Next, mask off the panel and spray it with 2 layers of clear coat. Blend the repair area with the old clear coat by using rubbing compound and you are done. I read your valuable article after doing some stuff. I feel bad. My car had chips, I applied small matching paints to it. Latest after a month yesterday I used grit to sand it over the clear coat.
As per your content above that is a big mistake. They are not going out. Is there anyway I can fix this? Help is much appreicated. Mike, someone keyed my car so I tried repairing it with some touch up paint. I did everything the correct way until, I think, evening the paint with the body work. I just applied the clearcoat after 24 hours and it definitely looks worse now due to the buffed area.
Would the 1, grit sandpaper removed the OEM clear coat? If so, what are my choices? Perhaps use the 2, over to see it it comes out? Great info you have provided. But can you advise on this issue.
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