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How to Paint Chipped Areas
Hi - Does anybody know of some sites or instructions for reparing areas
of paint that have been chipped off from stones? I have searched the internet and can't find anythnig satisfactory. Typically the instructions are for fixing one chip (which doesn't exist in the real world). I have areas of a few square inches that would not look too good if painted with a toothpick! The current paint is just a solid GM red. I need to know some details about blending the area with the rest of the paint. Most instructions fail to cover this, and just say things like "spray the primer", "spray the topcoat", without saying how far to go around the work area: -How far do you go with the primer? -How far do you do with the topcoat? -What compounds/work do you do to the final surface to blend it? Obviously, for such a small area, I want to use spray cans. I realize that the result is not the best, but what can be done (sanding/compunds etc) to give better results? |
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#3
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> wrote in message oups.com... > Hi - Does anybody know of some sites or instructions for reparing areas > of paint that have been chipped off from stones? > > I have searched the internet and can't find anythnig satisfactory. > Typically the instructions are for fixing one chip (which doesn't exist > in the real world). I have areas of a few square inches that would not > look too good if painted with a toothpick! > > The current paint is just a solid GM red. > > I need to know some details about blending the area with the rest of > the paint. Most instructions fail to cover this, and just say things > like "spray the primer", "spray the topcoat", without saying how far to > go around the work area: > > -How far do you go with the primer? > -How far do you do with the topcoat? > -What compounds/work do you do to the final surface to blend it? > > Obviously, for such a small area, I want to use spray cans. I realize > that the result is not the best, but what can be done (sanding/compunds > etc) to give better results? > You have to wet sand the whole area smooth with successive grits, until it is perfectly smooth. Then you prime and paint. Generally you use 4-5 light coats rather than 1-2 heavy coats. However it is a guarentee that with a rattle can you will not match the paint color. And you cannot feather in from one color to another without it showing. And it is also a guarentee that unless you parctice beforehand you are going to put too much paint on and it will sag and drip. And also, the paint that comes out of a rattle can will not dry as hard as the factory paint which was baked on. If this area is prone to chipping it will chip again, and worse. Ted |
#4
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wrote: > Hi - Does anybody know of some sites or instructions for reparing areas > of paint that have been chipped off from stones? Yes, www.paintucation.com Kevin sells a couple of how-to videos that I used to paint my vette, and he and everyone else in the free forum will tell you everything you ever wanted to know about painting. |
#5
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Thanks for the help.
Yes, I don't expect the blend to be very good. I want to just keep patching it each year to prevent rust. If I really want a good job before I sell, I can have a pro fix the areas at that time. I do need more details though. It can't be as simple as "Then you prime and paint". I assume you must: 1. Prep after the inital sanding. 2. Spary primer (how far?, bare metal only?) 3. Do you sand the primer now? 4. Prep for topcoat? 5. Spray topcoat (how far?) 6. Wet sand or some sort of grinding compound, etc, etc. Perhaps the books are the way to go. |
#6
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> wrote in message oups.com... > Thanks for the help. > > Yes, I don't expect the blend to be very good. I want to just keep > patching it each year to prevent rust. If I really want a good job > before I sell, I can have a pro fix the areas at that time. > > I do need more details though. > > It can't be as simple as "Then you prime and paint". > > I assume you must: > > 1. Prep after the inital sanding. > 2. Spary primer (how far?, bare metal only?) > 3. Do you sand the primer now? > 4. Prep for topcoat? > 5. Spray topcoat (how far?) > 6. Wet sand or some sort of grinding compound, etc, etc. > > Perhaps the books are the way to go. > If you have paint chips I doubt they have gone all the way through. What is most likely is the primer under the car paint is showing. You don't want to sand all that off. All you want to do with sanding is to get the surface leveled then prime and paint. I was assuming your underlying paint layers are still intact. If the chips have, in fact, gone through the primer to the bare metal then you have just bought a peck of trouble and you can't do what I was describing because you undoubtedly have rust there. Instead you have to strip all paint off and remove the rust (there are a variety of ways) then sand prime and paint. Ted |
#7
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I really can't see any rust. The areas are leading edges of panels
that are constantly sandblasted by rocks. Each area is a couple square inches, and I'm pretty sure it is bare metal. It's just that "prime and paint" thing that people tend to "breeze over". That's where I need details step by step instructions. I'm sure that there is more than: 1. Spray on some primer 2. Spray on some paint |
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