How do you repair a rock chip with a touch-up paint pen? - Page 2
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Thread: How do you repair a rock chip with a touch-up paint pen?

          
  1. #11
    Registered Member yalerd's Avatar
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    Re: How do you repair a rock chip with a touch-up paint pen?

    Quote Originally Posted by Andy M. View Post
    I really can't believe that we are recommending wet sanding to someone who is new to this. Lets remember this is a new car we are talking about.
    I agree with Andy. Lately guys I'm seeing recommendations of methods like wet sanding to be the first thing without knowing if the person has the tools and techniques to dill with the consequences that methods like this involves.

    I would follow what Murr said, very simple, NOT PERFECT, but will do.

  2. #12
    Detailing Dunce akimel's Avatar
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    Re: How do you repair a rock chip with a touch-up paint pen?

    The best advice I've been I have seen on this forum on touching-up rock chips was given by Mike Phillips over two years ago:
    Chip repair is never easy and unless you have some experience with this type of thing then it can be very challenging to make the repair actually look good. Paint chip repair consists of two things,

    Applying touch-up paint
    Making the repair look good

    That's two things and the second one is the hard one, anyone can dab some paint to the surface.

    Meguiar's doesn't have an official "how-to" on chip repair, the best thing you can do is NOT use the brush built into the cap, instead use a toothpick or do like I do and go to an artist supply store or a craft supply store and purchase a couple of very fine tipped artists paint brushes and a little bottle of paint thinner to clean the tips and the brushes are not cheap. Clean the chipped area as best as you can with whatever tool/brush/pick etc. you can find and then apply just a little touch-up paint into the chipped area and then stop and walk away from the car. Allow the paint to dry for a couple days and then inspect, if you see that you have room to apply more touch-up paint then apply a little more and again, stop messing with it and let it dry.

    Most people use the brush that comes built into the lid and go from a divot, (a low spot in the paint), to a blob, (a high spot in the paint), because they apply too much touch-up paint.

    So less is best, move slow, take your time.
    On the advice of a body shop guy, I have used a cardboard matchstick to apply touch-up paint to a couple of places--just the tiniest amount. It worked okay. I try not to look at the spots.
    Swirls hide in the black molecular depths, only waiting for the right time to emerge and destroy your sanity.
    --Al Kimel

  3. #13
    'Pearly Gates' Eddie6th's Avatar
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    Re: How do you repair a rock chip with a touch-up paint pen?

    All in all,we don't know the end users capabilities.Not everyone has the same flare for these kinds of jobs,also requiring patience.I've done these touch up jobs before using sanding and rubbing out,where the technique differs that you deliberately leave a slightly raised surface.If done properly,only the owner knows where it is.Others don't see it.

    I think the easier method described earlier(without any sanding) is safer to use on the forum.

    I did give advice to a user recently,invloving sanding,assuming that he'd know because he painted the part himself(color and CC).But,I thought about it after and realized that he wouldn't have asked in the first place if he knew........

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  4. #14
    aka 2hotford Tim Lingor's Avatar
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    Re: How do you repair a rock chip with a touch-up paint pen?

    Hey Eddie,

    Yes, you are right we do not know and that is the problem. No offense, but we do not even know what your level of experience is and if your advice is based on years of experience in actually doing it yourself or not. See what I mean? You may have years of experience, in which case, please post photos of the various cars/trucks/SUV's etc and show us some of your work! I love seeing photos of other people's work!!!

    The internet is full of Keyboard Commandos who simply read posts elsewhere and then re-post it makiing people think/believe that they are the ones who actually have the experience when that is not the case. Moreover, watching a few videos or hanging around with an actual Pro is different than doing it yourself. Again, I am not referring to you, but rather people in general.

    So, how do you deal with the fact that metallic flakes when touching up paint will lay differently than sprayed metallics? This difference is very visible and yet no one has mentioned that fact.

    If a person sands down the touch-up paint that has metallic flake, it will stand out, usually brighter than the rest of the paint as the metallics will not be distributed the same as when being sprayed. It will create a visible dimpled effect that looks terrible if several spots are done on say a hood for example.

    Secondly, in the examples I have seen lately, how do we know if a person has gone down below the maximum accepted loss .3 -.5 mils of clear coat that surrounds the touch-up spot? You have to level the paint to match the repaired spot or again, you have a dimpled effect. If you go below that accepted maximum, clear coat failure may occur in those areas fairly quickly.

    Thirdly, while I have seen a lot of people saying that they can remove sanding marks with a PC, I have yet to see it done with 100% perfection. Under halogens you may not see it, but in the sun and a critical eye, you can spot the sanding marks that are often remaining. Now before I get jumped for that, new products like M105 with the SMAT abrasives are changing that fact, but I still have not seen it done on OEM paint to 100% perfection. Factors such as paint hardness etc all play a major factor in the success of wet sanding mark removal. Have you ever tried to remove sanding marks from an OEM painted Vette or newer MB, or BMW? It is NOT easy at all. It does not matter if someone has all of the drive in the world, if you do not have the tools, products and knowledge, those sanding marks are not coming out.

    Finally, what about doing a touch up and sanding it in the center of a hood of a black car? Have you seen waves in paint caused by arbitrary sanding of paint in spots only?

    While we all had to learn some how, it is haphazard to suggest to anyone to wet sand their paint as there are so many variables that must be considered. If the advice is taken by someone who has a Vette and they can not remove the sanding marks, and/or waves or flat spots are created, they will not be happy. Bad advice can also lead to legal liability issues even over international boundaries. Just something to keep in mind.

    Tim

  5. #15
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    Re: How do you repair a rock chip with a touch-up paint pen?

    I would like to thank everyone for their advice. The online forum rocks. I think I will shy away from wet sanding and go with the following:
    1) wash with Gold Class Car Wash
    2) rubbing alcohol
    3) Cut toothpic at 45% angle
    4) touch-up paint layer by layer with tons of patience.
    5) wait 60-90 days for paint to set
    6) wax

    Since I just waxed my car a week ago. Will the rubbing alcohol clean the area enough?

  6. #16
    'Pearly Gates' Eddie6th's Avatar
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    Re: How do you repair a rock chip with a touch-up paint pen?

    Hi Tim.Thanks for the info.

    I did answer your original question in another part of the forum.

    I agree entirely with what you have said,but would just like to add a bit to the examples:

    I will be happy to fully document every piece of work that I do with my vehicle and others.And yes,first chance I get,I will take a pic of the rust spot that I did a few years back.(Can't say precisely,but somewhere before 6/7 years ago). What did the trick for me was using some Clear on top,then sanded that down,to blend.I believe the more traditional way is just to use the color only.Anyway,it's not perfect,but it's not easily noticable either,unless I point it out.Even I have difficulty finding it.As far as metallics go,I realize that there is a visible difference between touching up as opposed to a spray finish and this is something I want to work with soon.Also,these are just my experiences and what has worked for me.

    As far as working with a DA goes,I don't have one,so I don't answer peoples threads about 'which pad,product' etc.

    I am not a professional,nor do I charge anyone any money and pretend to be a professional.

    Any work I do is on my vehicles and freinds vehicles.Unfortunately,around here there are no schools or training for this subject.So,like many,I have to learn by different methods.

    The example about the Black hood.Touch ups with a paint stick are a cheap solution.You either leave it alone,touch it up or have the whole hood resprayed.Unfortunately,top surfaces show any imperfections that might be disguised on a side surface,whether it be touch up or blending.

    Lastly,I know your not referring to anyone in particular,but I personally would not recommend sanding down coats to anyone.There was one recentley,where someone put a customized part on their car(I can't remember what it was),where he apparentley sprayed it himself and applied the clearcoat after aswell.From what it appeared to me was that he did this part away from the car and not on the car.Just for talking sake,let's say it was a plastic air intake.Now the point to me is here did he do it with proper equipment or a couple of spray cans at 5$'s each..Who knows? In this case,he was wanting to remove some orange peel effect.Apart from that,he was quite happy with his results.I did,in this case suggest that he could try to remove by wetsanding as it wasn't a fixed part of the bodywork,that was not big and he had the ability to respray again if the results were not satisfactory.

    The one problem for me here is the Meguiar's product selection.I still havn't got my scratchX 2.0 yet! This also makes it difficult for me on the forum,because I have to try and relate some products to what I am using.
    But it's getting better,and I have picked up a lot very quickly....Except the pro line,which is non existent here.The point for me is that,I will keep on trying to improve what's available with Meg's here,because I believe it's a better product,rather than switching to another far more easily available brand.

    Anyway Tim,I'm not snappin' back or anything like that,but I just wanted to clear some things up.Possibly,the only resolve for these delicate issues(bodywork damage or repair),is to have them answered only by on line certified professionals and only allow people to put in pics of their experiences without relating it to other peoples dilemas,as much as we all like to help.I would only put it like this:This is a meguiar's detailing forum,not a body repair shop.

    As far as Keyboard Commandos go,even backed up with photos,that is not certain either.It's very easy to edit pictures with computers today,plus photos are not the same as what you actually see.I'm not suggesting that's what is.I'm only saying for a minority it's a possibility.Food for Thought.As far as my cars go.I have nuthin' fancy,so for me to do anything like that would have no meaning whatsoever.

    I hope you hit my other thread...I can't remember what it was about,but that'll explain why I havn't had time to do many pics.
    Last edited by Eddie6th; Jun 26th, 2009 at 07:43 PM. Reason: Type O

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  7. #17
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    Re: How do you repair a rock chip with a touch-up paint pen?

    This is exactly the post I was going to make and ask.
    My paint chip on the front of my bumper seems to have curled up some paint at the top of the chip into a tiny ball.
    I'm guessing the best thing for me to do would be to remove it by hand or some tweezers and not by sandpaper, right?

    I have some touch-up paint from the dealer.
    Thank you for this post and thanks for all the replies.

  8. #18
    Registered Member john m.'s Avatar
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    Re: How do you repair a rock chip with a touch-up paint pen?

    Ill just say this, I have no paint chip repair experience, no wet sanding experience, and not a pro by any means.

    I have a very noticable chip in the middle of my hood and what did I do? Look away for fear of doing more damage than good until I can find the time to get help from a professional to ensure that I am doing things correctly.

    If you really want to do this yourself, the best advice I can think to give you would be to pick up a small practice panel to test your skills before attempting anything on your own car.

  9. #19
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    Re: How do you repair a rock chip with a touch-up paint pen?

    Another option...

    I found a large rock chip on my hood one day, and I referred it to my insurance company. Since I had comprehensive insurance with a zero deductible, the whole hood was sanded, painted, and clear coated at no cost to me.

  10. #20
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    Re: How do you repair a rock chip with a touch-up paint pen?

    Okay so I'm confused, what exactly is the tough up paint for if not for small chips?

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