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  1. #1
    Director of Training Mike Phillips's Avatar
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    How to remove scratches in glass - Wiper Scratches from Beach Sand

    How to remove scratches in glass - Wiper Scratches from Beach Sand



    I've buffed a lot of glass in my life and if you actually want to remove scratches "in" the glass you need a glass polish that contains cerium oxide and make sure the directions state it's recommended and approved for use with a rotary buffer to remove scratches out of glass.


    Tip
    Don't test or experiment on the driver's side of the glass, at least not in their field of view. Just in case the polish and/or process doesn't go to plan.


    Here's a little Tape-Line Before and After I did to a Honda windshield that's parked outside all the time.

    This windshield is extremely scratched over time from beach sand being dragged across it from the wipers. This is common to cars in coastal areas.








    These are deep scratches in a 2004 Honda that has spent it's entire life parked outside in Stuart, Florida.




    Here's the same windshield and the same exact location as above...





    Glass Polishing is very messy
    Just for anyone reading this into the future... glass polishing is very messy. Do yourself a HUGE favor and break out some old bed sheets or "something" and cover as much of the car as you can...

    See my thread here...

    How to remove tiny pinhole pits in glass windows using a rotary buffer




    To remove scratches in glass you need,

    1. A polish that contains the abrasive Cerium Oxide and the label should state the products is safe for removing scratches "in" the glass.
    2. A glass-safe glass polishing disc






    Myself and others have had good luck using CarPro Ceriglass with the CarPro Rayon Glass Polishing Discs.

    NOTE: The CarPro Ceriglass "polish" states right on the label and on the webpage that it does in-fact use Cerium Oxide.

    CarPro Ceriglass Glass Polish 500 ml



    Here's a screenshot I just took highlighting the pertinent information with red circles and lines.




    Here's the link to the CarPro Rayon Glass Polishing Disc

    CarPro Rayon Glass Polishing Pad

    And a screenshot highlighting the pertinent information...







    IMPORTANT

    From experience, I'd say glass polishing, specifically removing scratches out of glass without leaving scratches behind in the process is an advanced procedure. It's not a project to tackle without first doing due diligence in your research.


    Further Resources

    You can read Nicholas's article on how to remove scratches and scuffs that are IN glass here,

    Autowerx Ceriglass Guide




    How to reduce the mess...

    And to make the job a LOT LESS MESSY read my article here,


    Glass Polishing Water Spray Bottles at Autogeek



    The spray bottle in my hand is the 4 ounce bottle and works best for most people.




    Mike Phillips
    Director of Training Autogeek & Marine 31
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  2. #2
    Senior Member swanicyouth's Avatar
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    ^^^ nice.

  3. #3
    Senior Member Mike@DedicatedPerfection's Avatar
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    Re: How to remove scratches in glass - Wiper Scratches from Beach Sand

    Thanks for the article Mike.

  4. #4
    Director of Training Mike Phillips's Avatar
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    Re: How to remove scratches in glass - Wiper Scratches from Beach Sand

    Quote Originally Posted by smack View Post
    Thanks for the article Mike.

    Not so much an article as just a collection of stuff I've already written and posted pictures of in the past.

    New guy joined the forum with a brand new car and says he lives next to the coast and like all of us that live next to the ocean wiper scratches are an issue.


    So this is just a quick reference article with a very important tip at the beginning to try to help others avoid getting themselves into trouble.

    In the big scheme of things, I consider glass polishing a more advanced skill. I think having some experience polishing paint is a good primer.


    Mike Phillips
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  5. #5
    Senior Member FrankS's Avatar
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    Re: How to remove scratches in glass - Wiper Scratches from Beach Sand

    Thanks for the post Mike!

    I polished the windshield of a 94 Camry last weekend using the same method you used in one of your videos where you used a Flex PE14 rotary and a blue 5" Hybrid pad, except I used a 4" Hydro-Tech pad using the same product you used in the video, and after polishing, I noticed similar scratches as in the photos above.

    At first I thought I had caused the scratches myself but then I realized that they were already there and the polishing must have exposed them. The scratches must have been caused by sand/dirt particles being dragged across the wipers as you mentioned. The car has spent its entire life in the West Palm Beach area, about 5 miles inland from the beach.

    I suppose a good tip to keep this from happening would be to clean your windshields often and change you wiper blades when needed.

  6. #6
    Director of Training Mike Phillips's Avatar
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    Re: How to remove scratches in glass - Wiper Scratches from Beach Sand

    Quote Originally Posted by FrankS View Post

    I suppose a good tip to keep this from happening would be to clean your windshields often and change you wiper blades when needed.

    I honestly don't think you can realistically live at the coast at keep this from happening.

    The sand is blown in the wind and I know from experience it's normal to jump in your car in the morning, start the engine and go to work. Right now when I do this around 6:30am it's dark and I'm not going to clean my windshield each morning. Plus I would have to drag out the Werner work platform.

    This means any sand that has blown onto the windshield since I last used the wipers will be dragged across the windshield first thing as I almost always have to use my wipers in the morning.

    I have a brand new windshield in my 1987 Silverado so any wiper scratches will be from my use of the truck. I had a brand new windshield in my 1975 Jimmy and after a few years of coastal living it too had wiper scratches.

    It just goes with the territory...

    Also, for you to remove the scratches in your windshield you're going to have to use something like the CarPro system.


    Mike Phillips
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  7. #7
    Senior Member swanicyouth's Avatar
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    Maybe I'm nuts (probably), but I haven't used wipers in forever. If it's a crazy down pour - I'll use them. But, if you put a glass sealant on your windshield and keep it fairly fresh, water just flies off.

    The less you use the wipers, the less scratches the glass will get - and the longer the sealant will last.

  8. #8
    Senior Member dsg03gt's Avatar
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    Quote Originally Posted by swanicyouth View Post
    Maybe I'm nuts (probably), but I haven't used wipers in forever. If it's a crazy down pour - I'll use them. But, if you put a glass sealant on your windshield and keep it fairly fresh, water just flies off.

    The less you use the wipers, the less scratches the glass will get - and the longer the sealant will last.
    I'm with you on that.

    Sent from my XT907 using Tapatalk

  9. #9
    Senior Member FrankS's Avatar
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    Re: How to remove scratches in glass - Wiper Scratches from Beach Sand

    Quote Originally Posted by swanicyouth View Post
    Maybe I'm nuts (probably), but I haven't used wipers in forever. If it's a crazy down pour - I'll use them. But, if you put a glass sealant on your windshield and keep it fairly fresh, water just flies off.

    The less you use the wipers, the less scratches the glass will get - and the longer the sealant will last.
    Sounds like good advice

  10. #10
    Senior Member AeroCleanse's Avatar
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    Re: How to remove scratches in glass - Wiper Scratches from Beach Sand

    Mike, did you try GTechniq G4 glass polish as well?

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