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  1. #1
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    Mar 2012
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    Gell coat bleed through?

    I have encountered this a couple times in the past. There was some heavy oxidation on the rear of the boat. We buffed it three times and the oxidation went away. But within a few minutes the oxidation came back. We tried buffing and hand rubbing and the same thing happened. Any thoughts? Can the oxidation become so bad that it cannot be removed? Thanks

  2. #2
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    Dec 2018
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    Re: Gell coat bleed through?

    I’m no expert on gel coat,but did repair a fiberglass fender on my own boat once.
    I done research as how to go about it and did it. Basically a wax is added on the final. Coat of and if you go back over it in an attempt to empty the gun then you creat this problem of trapping the wax that has already migrated to the surface. The wax is what causes the gel coat to harden. And yes I made that mistake and it always looked great right after washing and it only lasted a very short time and it began to look milky. Bugged and buffed to no avail. I think the only solution is a do over. If it bugs you,go seek a expert boat repair.
    Not sure of your circumstances on a repair or not,just a thought. Good luck.
    Ed

  3. #3
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    Re: Gell coat bleed through?

    Could be that the polishing oils is masking the oxidized gelcoat. And when some evaporate you see the oxidation again. So maybe you need to be stepping up in the cut from the compound and pad.

    How do you polish to get the oxidized gelcoat off?

    / Tony

  4. #4
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    Re: Gell coat bleed through?

    Quote Originally Posted by SWETM View Post
    Could be that the polishing oils is masking the oxidized gelcoat. And when some evaporate you see the oxidation again. So maybe you need to be stepping up in the cut from the compound and pad.

    How do you polish to get the oxidized gelcoat off?

    / Tony
    I use regular Boat compound, polishing glaze and then wax. Just like I have always done. Normally it works fine.

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