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Corvette Glass Top Scratches
Corvette Glass Top Scratches
I own a 2005 Corvette with a transparent removable top. I noticed yesterday that I have some fine scratches in the glass. I have no idea how to or even if it's possible to remove them. Am I screwed or can they be removed?
Help !!!
Thanks
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Super Member
Try compounding them out with a combo like m105/m205 then inspect if the scratches still there use 2500 grit sandpaper followed by 3000 grit sandpaper then use a combo like m105/m205
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Super Member
I would first figure out if your top most layer is glass or some type of coating. If it's some type of coating, attempting to correct the glass will likely remove it. Who knows what GM puts on a glass roof.
There are several threads on AG how to correct glass with CeriGlass and CarPro rayon glass pads. Just search those terms and you will get step by step instructions. I don't think you will have much luck using paint polishes and foam polishing pads in removing defects from glass.
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Junior Member
Re: Glass Top Scratches
The top is made out of Lexan and I don't think there's any coating on it. I posed the same question on a Corvette Forum and the answer was wet sand 1000 grit, 1500 grit then 2000. polish and clear coat. Probably cheaper than a new on, $1,500.
Thanks for your reply, Ken
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Super Member
Re: Glass Top Scratches
Originally Posted by KenVette57
I own a 2005 Corvette with a transparent removable top. I noticed yesterday that I have some fine scratches in the glass. I have no idea how to or even if it's possible to remove them. Am I screwed or can they be removed?
Help !!!
Thanks
Re: "Glass Top" Scratches
My 2007 has a removable Tinted Lexan Roof Panel.
Is yours actually glass...or also Lexan?
If it's like mine:
It does have a special ($$) protective UV-coating.
-When you try to polish out the scratch(es), you're likely to remove some of the tinted coat:
resulting in having even more obvious defect(s).
-Refinishing usually involves sanding the coating off the entire top; polishing the Lexan;
and then having the top re-cleared/re-tinted.
That's the only way I've ever seen them successfully repaired.
If you insist on polishing it...
-Use a plastic polish like Novus; and a very soft microfiber towel.
-Stay away from harsh abrasives!
However:
If it's really an honest to goodness glass-panel...
Then disregard this post of mine.
Bob
"Be wary of the man who urges an action in which he himself incurs no risk."
~Joaquin de Setanti
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Super Member
From my knowledge Lexan is basically a type of softer plastic. You could live with the scratches. How bad are they? I've polished what I believe is a Lexan and it will scratch very easily no matter what. When I worked for Ford, we were told the clear plastic that covers where the speedo is is Lexan. It's slightly flexible, but doesn't shatter on impact. It's relatively easy to correct fine swirl like scratches, but if they are deep scratches it will require sanding.
If it were me, and the scratches bothered me, I would try a SMAT fine polish like Optimum Finish or Polish II. I've tried multiple "plastic polishes" on plastics and, well, they suck IMHO. Optimum just seems to work great on plastic and clear bra material for me. I think most plastic polishes are designed to be used by hand - good luck getting a defect free surface by hand. It can be done, but why ??? A machine is only as aggressive or mild as you make it.
Anyway, after it was corrected, I would OptiCoat it first. Why not clear coat?
1. OC is cheaper
2. OC won't have possible orange peel
3. OC can be done by yourself, so you will know it's done right.
4. OC will provide lifelong protection as well - you won't have to worry about waxing/sealing it.
5. OC will likely be harder than CC.
6. You can always polish off the OC and CC it later if you decide to do so for any reason.
7. OC can be polished and you can re-apply if scratches return.
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Re: Glass Top Scratches
Hey Ken,
I have people contact me about removing scratches out of Lexan all the time and now more than ever because I do boat detailing and work in the boat detailing world and a lot of boats have Lexan windows.
Here's the deal and this is just my own experience and in my life I've buffed out TONS of plastic.
I've never been able to remove scratches out of Lexan and leave a factory new, factory clear results.
To add to this...
The EXPECTATIONS most people have when trying to remove scratches, swirls or scuffs out of any plastic window and including Lexan is after the process they EXPECT the window to look FLAWLESS. Like brand new. Like nothing has ever happened to it.
That's nice.
I've never seen it done before, at least on the true Lexan plastic I've worked on.
The reason why it's difficult if not impossible to remove defects 100% and leave a clear window that looks like nothing ever happened is because Lexan is very hard, not soft.
Plexiglass is soft. Plexiglass is EASY to buff out. Lexan is hard.
I'd also say most people don't know how to tell the difference between Lexan, Plexiglas, Polycarbonate or Acrylic plastic windows.
So if someone were to chime in and say they can buff out "LEXAN" , I guess I would want to see this documented so we can all know it wasn't some other plastic but was in fact Lexan.
I have taken scratched up Lexan and buffed it and improved it but never to the point of restoring the type of results that people expect, that is so that it looks like nothing ever happened to it.
It's easy to have high expectations. It's hard to buff out Lexan.
For every Corvette owner that will ever read this into the future... be careful with your Lexan transparent tops.
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Super Member
Glass Top Scratches
I guess I was given wrong info what Lexan was. Sorry. I thought it was the type of plastic that is flexible that bug fairings and such are made from. Maybe that' is polycarbonate?
Nice boat.
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Super Member
Re: Glass Top Scratches
Originally Posted by swanicyouth
I guess I was given wrong info what Lexan was. Sorry. I thought it was the type of plastic that is flexible that bug fairings and such are made from. Maybe that' is polycarbonate?
Nice boat.
Lexan is just one company's trade name for polycarbonate. You're correct in your thinking.
Lexan=polycarbonate
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