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View Full Version : I've got overspray on a newly purchased car, claying/compounding/polishing is do little to nothing to remove it. What are my next options?



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Richie311
04-12-2018, 11:33 AM
Pretty much what the title says. Previous owner had the headlights restored and the person used some sort of clear gloss paint to seal it. He didn't quite tape and cover everything so there's a decent amount of overspray on it. And in the right lights it's extremely noticeable.
Claying and polishing did absolutely nothing. Compounding seems to be sort of taking it off slightly but it seems to be more or less just polishing the overspray if that makes sense.
What are my next options?

JCDetails
04-12-2018, 11:47 AM
Maybe a light wetsand with 2500 or 3000 grit, but unless you're totally comfortable doing so I wouldn't recommend it.

Rsurfer
04-12-2018, 12:18 PM
If compounding doesn't do it, you have two options. Wet sand or razor blade.

LSNAutoDetailing
04-12-2018, 12:34 PM
Pretty much what the title says. Previous owner had the headlights restored and the person used some sort of clear gloss paint to seal it. He didn't quite tape and cover everything so there's a decent amount of overspray on it. And in the right lights it's extremely noticeable.
Claying and polishing did absolutely nothing. Compounding seems to be sort of taking it off slightly but it seems to be more or less just polishing the overspray if that makes sense.
What are my next options?


Welcome to the forum. First off, some pictures would be helpful. Secondly, you said you used clay. Can you please explain what grade clay you used??
Also, you stated you compounded, what what pads, what tool, what products??

I would not jump right to wet-sanding OEM paint (there are other methods to exhaust before going that route), Be aware that the edges around headlight fittings, corners and seams are areas have thin layers of paint and CC. Read this article first: Clearcoats are thin by Mike Phillips (https://www.autogeekonline.net/forum/2009-to-2017-how-to-articles-by-mike-phillips/87410-clearcoats-thin-mike-phillips.html)

Secondly, I would try a heaver grade of clay, start with a medium. There is a possibility you may end up marring the paint, however, polishing with a DA, product/pad combo will eliminate the marring. See this video: YouTube (https://www.youtube.com/watch?v=BnH7hCe98Nc)

Mineral spirits may be another option.

For compounding, try using a microfiber applicator with a fair amount of product and work it in by hand over in small sections where there is overspray. You can exert more force in a tight area, you may have to go over the area with a DA/Polish.

Hope this helps!

Richie311
04-12-2018, 01:55 PM
Welcome to the forum. First off, some pictures would be helpful. Secondly, you said you used clay. Can you please explain what grade clay you used??
Also, you stated you compounded, what what pads, what tool, what products??

I would not jump right to wet-sanding OEM paint (there are other methods to exhaust before going that route), Be aware that the edges around headlight fittings, corners and seams are areas have thin layers of paint and CC. Read this article first: Clearcoats are thin by Mike Phillips (https://www.autogeekonline.net/forum/2009-to-2017-how-to-articles-by-mike-phillips/87410-clearcoats-thin-mike-phillips.html)

Secondly, I would try a heaver grade of clay, start with a medium. There is a possibility you may end up marring the paint, however, polishing with a DA, product/pad combo will eliminate the marring. See this video: YouTube (https://www.youtube.com/watch?v=BnH7hCe98Nc)

Mineral spirits may be another option.

For compounding, try using a microfiber applicator with a fair amount of product and work it in by hand over in small sections where there is overspray. You can exert more force in a tight area, you may have to go over the area with a DA/Polish.

Hope this helps!

6311863119

On the picture on the right directly right of the headlight is where I've tried various clays and compounding. The clays I used were from the Meguiar's G1016 kit and the Mother's California Gold Clay kit which I believe are not aggresive. Could you reccomend some medium and heavy grades of clay? The Compounding tools i used were a Griot's 6" DA, Meguiar's compounding MF pad, and GG's BOSS Fast Correcting Cream. I also tried it with an Orange LCC pad. I did this several times and got basically no where besides the overspray only getting a bit more polished.

I should also say the car is a '08 Lexus ES350 which I've been told has fairly soft paint(which looking at the chips/blemishes on the hood I'd agree) so I'm hesitant to try really aggresive methods like Wetsand and razor blades but I'm not afraid to if it will get me started.

DaveT435
04-12-2018, 03:06 PM
6311863119

On the picture on the right directly right of the headlight is where I've tried various clays and compounding. The clays I used were from the Meguiar's G1016 kit and the Mother's California Gold Clay kit which I believe are not aggresive. Could you reccomend some medium and heavy grades of clay? The Compounding tools i used were a Griot's 6" DA, Meguiar's compounding MF pad, and GG's BOSS Fast Correcting Cream. I also tried it with an Orange LCC pad. I did this several times and got basically no where besides the overspray only getting a bit more polished.

I should also say the car is a '08 Lexus ES350 which I've been told has fairly soft paint(which looking at the chips/blemishes on the hood I'd agree) so I'm hesitant to try really aggresive methods like Wetsand and razor blades but I'm not afraid to if it will get me started.


Welcome to AG! Wow...did the owner do that himself? I would hope someone didn't charge him to do that to the car. If I'm seeing that picture right it doesn't look like they taped it very much at all? Not knowing exactly what it is, or how long it's been on there it's hard to make a recommendation. I think I might try mineral spirits on a spot and see if that does anything.

Richie311
04-12-2018, 03:45 PM
Welcome to AG! Wow...did the owner do that himself? I would hope someone didn't charge him to do that to the car. If I'm seeing that picture right it doesn't look like they taped it very much at all? Not knowing exactly what it is, or how long it's been on there it's hard to make a recommendation. I think I might try mineral spirits on a spot and see if that does anything.

He said a friend tried, and it's been on there a few weeks. I've tried paint thinner to no avail, I'll give MS a try and see what that does.

LSNAutoDetailing
04-12-2018, 03:59 PM
Are you referring to this area?

http://www.autogeekonline.net/gallery/data/3521/overspray.jpg

I would always try the least aggressive method first. Starting with a heavier clay: Meguiars Professional Detailing Clay Aggressive - C2100 (https://www.autogeek.net/meprdeclag.html)
Then as stated above mineral spirits, and or a paint cleanser. You could also take a small amount of M105 or M101 on a microfiber applicator and work a small area by hand.

Wet sand would be last resort, and if you opted, I'd start w/ 3m Trizact (5000) if possible. It would be a "scuff-n-buff", meaning a very few light section passes, with no pressure. You're only looking to remove the contaminants bonded to the paint, not level the paint as you would doing paint-correction. And you would have to use the rule of thumb as you get close to the body line on the wheel-well. That body line paint will be very thin, so measure your thumb nail from line, and mask it off with tape... Don't go near the body-line.

LSNAutoDetailing
04-12-2018, 04:02 PM
Are you referring to this area?
http://www.autogeekonline.net/gallery/data/3521/overspray.jpg[/url

I would always try the least aggressive method first. Starting with a heavier clay: [url]https://www.autogeek.net/meprdeclag.html (https://www.autogeekonline.net/gallery/showphoto.php/photo/124882/title/overspray/cat/3521)
Then as stated above mineral spirits, and or a paint cleanser. You could also take a small amount of M105 or M101 on a microfiber applicator and work a small area by hand.

Wet sand would be last resort, and if you opted, I'd start w/ 3m Trizact (5000) if possible. It would be a "scuff-n-buff", meaning a very few light section passes, with no pressure. You're only looking to remove the contaminants bonded to the paint, not level the paint as you would doing paint-correction. But be cautious and use the "rule of thumb." As you start to get to the crease or body line of the wheel well, that body line is going to be very thin on paint. It would take nothing to burn right over that body line.

Eldorado2k
04-12-2018, 07:49 PM
If compounding doesn't do it, you have two options. Wet sand or razor blade.

Can you give us a tutorial of how to take a razor blade to the paint? Your car’s black.. Demonstrate on yours? Lol.

MarkD51
04-12-2018, 10:07 PM
Either the earlier aggressive clay mentioned, or the Optimum Black Clay.

TMQ
04-12-2018, 10:28 PM
At the body shop, we've always been able to clay off over sprays on paint. Kind of surprised it didn't work for you. We were able to remove primer that got on the paint as well!

There were times we had to clay a long time before getting results. I would suggest to keep claying until results are noted. Can be up to 50-80 times or about 10 min or longer.

Tom

Richie311
04-12-2018, 10:56 PM
At the body shop, we've always been able to clay off over sprays on paint. Kind of surprised it didn't work for you. We were able to remove primer that got on the paint as well!

There were times we had to clay a long time before getting results. I would suggest to keep claying until results are noted. Can be up to 50-80 times or about 10 min or longer.

Tom

I'm gonna pick up some aggressive clay tomorrow and give that a go first. I went over various areas with the clay have for about 2 hours straight. Well over 100 times on each main area. My clay may just not be heavy enough.

Really hope I dont have to wet sand it.

Rsurfer
04-13-2018, 12:13 AM
Can you give us a tutorial of how to take a razor blade to the paint? Your car’s black.. Demonstrate on yours? Lol.

I did, but it was a beater and it did take off the overspray without damaging the paint.

fightnews
04-13-2018, 05:18 AM
How about trying a fallout remover. What a nightmare people do dumb things sometimes huh