Single stage repair

D

Dan Trimbach

Promoted Users
Well I got a little carried away buffing and cut all the way through the single stage paint on the quarter panel.
Should I try to spot repair it or just spray the whole quarter panel over?

can I just hit it with some 800 grit, or do I need to spray it with some blending solvent or reducer before I respray so it melts in properly?
 

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Thanks Don. I’ll do that.

I was a little worried since it’s been 6months since I sprayed it. I’ll tape off the whole quarter, sand with 800 and respray a couple coats.

there will be one tape line where the rear deck filler panel connects to the quarter. Do I need to try to blend that or will the final cut and buff take care of
 
Is there a visible seam there? If there is I would try to bury the edge in the seam. If there isn’t you will need blender imho.

Hopefully one of the pros will weigh in.

Don
 
No seam there. It’s only about 10” long but a very visible area

guess I’ll get to lean how to blend.

btw. One your cars was what inspired me to try spi ss black. I’m a big fan of your work.
 
If at all possible try to do the complete panel. Can't emphasize that enough.
If you have to blend, being your a first timer I'll try to outline the easiest way to do it. :)

First prep the panel/area like normal. 800 grit, wet sand until you have removed the gloss. No more than that. If you are not sure of your progress, stop and dry an area and check. You are simply lightly sanding to remove the gloss. Do this all the way to the edge of your blend area. keep all your scratches going in one direction, meaning sand in one direction (back and forth).
At your blend area you can prep it one of several ways. If you have some 1200-1500 grit paper lightly sand the blend area carrying it out past where your last coat will be. You need the sanded blend area to extend out past where your last coat ends. If that isn't clear, say so and I'll try to explain it better.
Mask off in such a way that your blend area is fully exposed.
Spray the SS like normal. First coat stop at the the area where the regular prep ends and the blend area starts. Each coat extend a little farther into the blend area. Keep in mind the edge of your last coat needs to be within the blend area. Meaning there needs to still be sanded (1200-1500 grit) area on the other side of where your last coat stops.
Once finished then spray one light/medium coat of blending solvent over the blend area. Coat should extend 12" or so into the SS and extend past the blend (end of where you sprayed) Do not spray the blending solvent too heavily or it will make it run. (ask me how I know:))

Read page 6 of the Tech Manual for more info.
 
Last edited:
Chris_Hamilton said:
If at all possible try to do the complete panel. Can't emphasize that enough.
If you have to blend, being your a first timer I'll try to outline the easiest way to do it. :)

First prep the panel/area like normal. 800 grit, wet sand until you have removed the gloss. No more than that. If you are not sure of your progress, stop and dry an area and check. You are simply lightly sanding to remove the gloss. Do this all the way to the edge of your blend area. keep all your scratches going in one direction, meaning sand in one direction (back and forth).
At your blend area you can prep it one of several ways. If you have some 1200-1500 grit paper lightly sand the blend area carrying it out past where your last coat will be. You need the sanded blend area to extend out past where your last coat ends. If that isn't clear, say so and I'll try to explain it better.
Mask off in such a way that your blend area is fully exposed.
Spray the SS like normal. First coat stop at the the area where the regular prep and the blend area starts. Each coat extend a little farther into the blend area. Keep in mind the edge of your last coat needs to be within the blend area. Meaning there needs to still be sanded (1200-1500 grit) area on the other side of where your last coat stops.
Once finished then spray one light/medium coat of blending solvent over the blend area. Coat should extend 12" or so into the SS and extend past the blend (end of where you sprayed) Do not spray the blending solvent too heavily or it will make it run. (ask me how I know:))

Read page 6 of the Tech Manual for more info.
Click to expand...

Hell of an explanation. Printing that one out just in case it's needed in the future.
 
Chris_Hamilton said:
If at all possible try to do the complete panel. Can't emphasize that enough.
If you have to blend, being your a first timer I'll try to outline the easiest way to do it. :)

First prep the panel/area like normal. 800 grit, wet sand until you have removed the gloss. No more than that. If you are not sure of your progress, stop and dry an area and check. You are simply lightly sanding to remove the gloss. Do this all the way to the edge of your blend area. keep all your scratches going in one direction, meaning sand in one direction (back and forth).
At your blend area you can prep it one of several ways. If you have some 1200-1500 grit paper lightly sand the blend area carrying it out past where your last coat will be. You need the sanded blend area to extend out past where your last coat ends. If that isn't clear, say so and I'll try to explain it better.
Mask off in such a way that your blend area is fully exposed.
Spray the SS like normal. First coat stop at the the area where the regular prep and the blend area starts. Each coat extend a little farther into the blend area. Keep in mind the edge of your last coat needs to be within the blend area. Meaning there needs to still be sanded (1200-1500 grit) area on the other side of where your last coat stops.
Once finished then spray one light/medium coat of blending solvent over the blend area. Coat should extend 12" or so into the SS and extend past the blend (end of where you sprayed) Do not spray the blending solvent too heavily or it will make it run. (ask me how I know:))

Read page 6 of the Tech Manual for more info.
Click to expand...
More gold for the gold miners.

Thanks,
Don
 
Chris, thanks for the detailed explanation. I think I understand.

I’m going to try to mask off at the top of the quarter panel (red line) hit it with 800 grit spray the whole quarter and not blend anything. If that doesn’t work I’ll hit it again with the 800 and 1500 at the blend area on the trunk (yellow line) and follow your blending instructions.
If worse comes to worse I’ll respray the whole car from the door jams back.
76E40DA6-BF39-4AC1-A833-F86F1181D1F8.jpeg
 
Dan Trimbach said:
Chris, thanks for the detailed explanation. I think I understand.

I’m going to try to mask off at the top of the quarter panel (red line) hit it with 800 grit spray the whole quarter and not blend anything. If that doesn’t work I’ll hit it again with the 800 and 1500 at the blend area on the trunk (yellow line) and follow your blending instructions.
If worse comes to worse I’ll respray the whole car from the door jams back. View attachment 14935
Click to expand...
That is what I would do. any time you have a change in panel direction, you can tape there and sand the mask line away after shooting. I would mask at the top edge, the center body line and the door jamb. Make sure that you lay the mask line directly on top of the panel line, and sanding the line away will be a piece of cake.
 
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