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Old 11-02-2019, 01:42 AM   #1
IHaveAHorse
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Default Glass polish on windshield

So I got a replacement windshield from Safelite a few months ago because my windshield had cracked, and I had $0 deductible for glass repair, and Safelite was nearby, and had a time slot available just a couple days later. The glass in general seems decent and pretty similar to OEM, except when I'm driving into the sun there's a horrible haze that looks like nearly microscopic pitting. It's really annoying because I was looking forward to replacing the windshield for the last couple years since my original one was looking really sandblasted after a few years.

Anyway, long story short: what would be a good glass polish to use to get this crap off the outside? I don't know what it is, the glass was definitely brand new, the inside looks fine, but I'm 99% sure using a glass polish on the outside would be the only way to remove that distracting haze.
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Old 11-02-2019, 06:49 PM   #2
sebhockey
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Have you tried a claybar? It may be needed on both sides of the glass. If you actually need to polish though, there's several available, use a rayon glass pad with your choice of glass polish. I have used ceriglass with pretty good results. Keep in mind that you will need to add some form of protection afterward or it'll be hard to see when raining, I highly recommend a full on glass coating like Gyeon Q2 View.
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Old 11-02-2019, 07:40 PM   #3
subaru_gc8
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when you run your had on it can you feel the pitting or is it just a glare? if yo can feel the pitting I would start with the clay car if that dones do it autogylm has one if that doesnt work there is a chemical one that worked for me by 3d it number 107 eraser
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Old 11-03-2019, 12:19 PM   #4
IHaveAHorse
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The reply window is really messed up so hopefully this works. I believe I've tried a clay bar a while back but I'll try it again. It feels pretty smooth to the touch when I run my hand on the outside of it.
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Old 11-13-2019, 10:56 AM   #5
IHaveAHorse
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Clay bar did nothing, I'll have to use glass polish if I can get around to buying a random orbit/DA buffer some day.
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Old 12-10-2019, 11:12 AM   #6
GoFrogs
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Quote:
Originally Posted by IHaveAHorse View Post
Clay bar did nothing, I'll have to use glass polish if I can get around to buying a random orbit/DA buffer some day.
Have you contacted safelight and/or your insurance company to let them know the issues you are having?

If the windshield is less than a month old, can you get it replaced (again) due to defects in the glass?

Have you visited a local detailer that specializes in restoration/cleaning to see if they can correct the issue(s)?

Did you clay the inside too? When I had my GTI's windshield replaced by Safelite, there was haze and muck all over the glass, even after the installer wiped it down with cleaner before the installation. It was a royal pita to eliminate the streaks and hazing, especially on the inside.

I don't know what life a windshield lives, but I'm sure they sit around for a while in a large warehouse environment stacked on shelves; not the most glass friendly place.

I do not know if they get a protective wrap or not; I don't recall seeing the installer remove one from the GTI windshield.
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Old 12-12-2019, 01:07 PM   #7
Dale2011WRX
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Sometimes there's a very thin layer of silicon or something like that on freshly made glass, and it's hard to get it off with cleaners. You might try toothpaste, that's what dive shops recommend for a new scuba mask. It's just abrasive enough to clean but it won't damage anything (and leaves your glass smelling minty fresh). Maybe try a small area on the inside and outside of the windshield and see if it does anything for you.

Or take it back to Safelite and tell them about the issue, see what they have to say.
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Old 12-12-2019, 08:19 PM   #8
brylemr
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Ceriglass is a good product. It contains mild abrasives that help polish the glass effectively.
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Old 03-07-2020, 10:58 AM   #9
ABORhSTi
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I have used Griot's Garage 11017 Glass Polish to get out annoying marks on my windshield over the years. It's about $20 on Amazon. Use as directed, then top with Rain-X - keeps the windshield happy all year long!
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Old 03-15-2020, 10:47 AM   #10
Sportegan
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The easiest way to deal with this effect is that the smooth, sometimes with silver plastic inserts, reflecting the sun's rays, the surface of the "window sill" in front of the windshield needs to be covered with one or another material that absorbs light well. For this purpose, for example, a piece of black vapor barrier material “isospan” or the so-called “karapet” used in the installation of acoustic systems is suitable. It is only necessary to carve out a piece of “matter” of a suitable size so that it fully occupies a place under the windshield in front of the driver.

Last edited by Sportegan; 03-17-2020 at 12:09 PM.
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Old 03-15-2020, 11:47 AM   #11
murrdogg24
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Quote:
Originally Posted by Dale2011WRX View Post
Sometimes there's a very thin layer of silicon or something like that on freshly made glass, and it's hard to get it off with cleaners. You might try toothpaste, that's what dive shops recommend for a new scuba mask. It's just abrasive enough to clean but it won't damage anything (and leaves your glass smelling minty fresh). Maybe try a small area on the inside and outside of the windshield and see if it does anything for you.

Or take it back to Safelite and tell them about the issue, see what they have to say.
On my new dive masks I actually would burn off the silicon layer with cigarette lighter, worked like a charm.
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Old 03-15-2020, 02:24 PM   #12
Va-D3r_604
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I'm actually an auto glass technician.
Our shop offers lifetime warranty for our work, for as long as you own the vehicle.
It might be worth taking it back to the shop, & asking about it, in case its a manufacturing defect.(which is common with both OEM, & Aftermarket)
If they refuse try this:

For starters:
Treat a small area with glass cleaner to break any surface tension.(foam cleaner works best)
Try taking a fresh razor blade, keep it at angle, & run it along the same small area of your windshield. Don't got overboard just enough that you would removed any type of film or debris. Always keep the razor at an angle, & beware of it slipping out of your grip.

Take a few swipes with the blade, & clean the area off with a cloth.
Test the area to see if theres any difference.


Also:
Theres is a product they might be able to order for you, its call cerium oxide.
Its know as a glass polish if you want to go this route.
You can apply it with a microfiber cloth, & elbow grease, or get a drill attachment.
The good old elbow grease way is the safest, you can go too far with the drill attachment.
Just apply in a circular motion, & have patience. You may have to do it a few times.
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Old 03-15-2020, 05:25 PM   #13
silvercookie
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Any glass that is not OEM these days is going to be lower quality.
I just had my windshield replaced a couple months ago and the guy i have been using for 10+ years now has said in the last couple years quality has gone down even more. Lower quality/softer glass means more chips/scratches/pitting sooner.

For example, after 1 week and 2 rain storms, my brand new windshield had scratches from the wiper blades which were replaced when the glass went on. after 2 months it looks like what my last windshield did after a year.

Even the tint guys knife left a couple cuts when he was trimming for the sun visor strip.
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Old 03-15-2020, 05:43 PM   #14
Va-D3r_604
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Quote:
Originally Posted by silvercookie View Post
Any glass that is not OEM these days is going to be lower quality.
I just had my windshield replaced a couple months ago and the guy i have been using for 10+ years now has said in the last couple years quality has gone down even more. Lower quality/softer glass means more chips/scratches/pitting sooner.

For example, after 1 week and 2 rain storms, my brand new windshield had scratches from the wiper blades which were replaced when the glass went on. after 2 months it looks like what my last windshield did after a year.

Even the tint guys knife left a couple cuts when he was trimming for the sun visor strip.
Not necessarily true, but mostly.
Most of the time windshields are manufactured in 1 of a handful of factories, the main difference is they stamp a manufacturing logo on the glass to make it OEM.
Sadly most of these factories are in China.(China gets a bad reputation)

Our shop deals with mostly higher end vehicles I'd say about 95-97% of the day.
The OEM glass say on a BMW is quite thin compared to aftermarket.
Yes this OEM is more prone to damage, but on the other hand lighter glass saves weight.
(People often forget the windshield is a marjor structural part of your car.)
The only way to keep your windshield clean, is to clean your wipers often, even every time you wash your car. Its recommended that you change your wipers seasonally. You'd be surprised how much road grime gets kicked up onto your windshield, & collects on the wiper blades.
All these product that claim to repel water etch into your glass causing an uneven surface.
I tend to stay away from thes products, that's what wipers are for.
Simply keep it clean, polish it if there's a substantial amount of dirt, sap, etc.

*Your tint guy must be a meathead if he's leaving cuts in your glass.
The only time we have to help out tinters, are when they damage pieces attached to the glass like a chrome moulding, or anyrhing like that. Never seen any of the tinter scratched the glass... You really have to grind the blade on the same spot to make a scratch with a simple blade. They're far too soft to really damage glass.
Not trying to offend him, just giving you a heads up, & find a better tint guy.

Last edited by Va-D3r_604; 03-15-2020 at 05:49 PM.
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Old 03-26-2020, 12:37 PM   #15
Mywifescar
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Default 0000 Steel wool

Sounds crazy but it’s a super fine steel wool that we have used to polish glass and metals with chrome. Doesn’t leave any scratches as you might think “steel” would do to glass. Just clean all debris off glass allow to dry and rub a wad of it in the same area, it will take a while but you will notice the glass becomes smooth the more you polish it. There’s YouTube videos of detailers using it if you want better advice. Must be the finest steel wool 0000 is the one to use, others probably will leave marks
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Old 03-26-2020, 05:28 PM   #16
Va-D3r_604
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Make sure its really fine wool! You need to find it from an autobody shop. Anything else will leave swirls that you cannot repair.
I just(2 days ago) replaced a windshield for a guy who decided it was ok to use steel wool he bought from the grocery store.


If you can feel it with your fingernail, its too deep to do anything other than full replacement.
Trust a person who does this on a day to day basis.
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