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  1. #21
    Junior Member dnadrifterr's Avatar
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    Quote Originally Posted by Mike Phillips View Post
    Any update?


    Okay, finally got around to trying this out. The whole pandemic put a halt on a boating trip so I wasn't as motivated. I have had some success but not perfect yet. The blue rupes coarse pad didn't do much with the 3M finesse or 3M restorer. But it did do some good with 3M perfect it medium cut.

    I tried the wool too but got a big wooly fiber mess I wasn't ready for (never used wool before). Gonna try the wool again with the Perfect It medium. I think I have some older Marine 31 stuff also that I may try as well. Really don't want to wet sand...that scares me.
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  2. #22
    Junior Member dnadrifterr's Avatar
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    Wool with perfect didn't do much again....seems the blue coarse pads were better.

    Tried the blue coarse with some old Marine 31 Heavy oxidation and cleaner. This worked much better. Still not to the original gloss, but much much better. Will get a better idea tomorrow in the sunlight.
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  3. #23
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    Good to hear you got some decent results.

    I wet sanded a test area on a heavily oxidised boat recently (like chalk) with the Mirka Abralon pads that Mike recommended. They're really good. I followed up buffing with a wool pad and cutting compound and thought I'd finish it off with the blue Rupes pad and Captains compound, but it dulled the gelcoat again. The same old story of using a foam pad on gelcoat. I had to restore it with the cutting and wool pads again.

    Using foam pads on gelcoat is a strange business. I've tried the orbital on both the free spinning and forced rotation modes so it's not that. I'd really like to get to the bottom of this as those blue Rupes look excellent and nice to use and of course, buffing alone brings with it swirl marks which an orbital can get out.

  4. #24
    Junior Member dnadrifterr's Avatar
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    Quote Originally Posted by Totts View Post
    Good to hear you got some decent results.

    I wet sanded a test area on a heavily oxidised boat recently (like chalk) with the Mirka Abralon pads that Mike recommended. They're really good. I followed up buffing with a wool pad and cutting compound and thought I'd finish it off with the blue Rupes pad and Captains compound, but it dulled the gelcoat again. The same old story of using a foam pad on gelcoat. I had to restore it with the cutting and wool pads again.

    Using foam pads on gelcoat is a strange business. I've tried the orbital on both the free spinning and forced rotation modes so it's not that. I'd really like to get to the bottom of this as those blue Rupes look excellent and nice to use and of course, buffing alone brings with it swirl marks which an orbital can get out.
    Still not completely happy as it still doesn't have that hard glassy surface look. May have to try to use the wool pads again with another product, or break down and wet sand and then try the wool. Guess I could try wet sanding beneath my platform where nobody looks.

    What wool pads did you use...the rupes blue / white ones?
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  5. #25
    Director of Training Mike Phillips's Avatar
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    Quote Originally Posted by dnadrifterr View Post

    The blue rupes coarse pad didn't do much with the 3M finesse or 3M restorer.

    But it did do some good with 3M perfect it medium cut.

    Quote Originally Posted by dnadrifterr View Post

    Tried the blue coarse with some old Marine 31 Heavy oxidation and cleaner.

    The more posts like yours, and we have a few now, the more I'm going to stick to what I always say,

    Abrasive Technology - THE most important factor when it comes to polishing paint


    Send me your shipping address and I'll send you a bottle of some GREAT abrasive technology.

    mike.phillips@autogeek.net


    Mike Phillips
    Director of Training Autogeek & Marine 31
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  6. #26
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    Would the same process you use on gel coat work just as well on marine paint??

  7. #27
    Senior Member Markymapo's Avatar
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    I found using Marine31 (compound n polish using wool pad using rotary), followed by Marine31 (polish n wax using Rupes coarse pads on orbital) worked well.keep in mind that I wet sanded last season but not needed this season
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  8. #28
    Director of Training Mike Phillips's Avatar
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    Re: Gelcoat Polish Question - Removed swirls but also deep gloss? - Pics

    Quote Originally Posted by aplus View Post

    Would the same process you use on gel coat work just as well on marine paint??

    No, at least not generally speaking.

    I cover this in my boat detailing book but it's been discontinued.


    The short answer is, "most" marine products for removing oxidation on gel-coats are too aggressive for marine specialty paints like Awlgrip. When it comes to marine specialty paints - you REALLY should contact the boat manufacturer and find out what they recommend.

    If you can - find out what kind of paint they use for their brand of boats. Then go to that companies website and see what they recommend for their paint systems.


    If you use too aggressive of a product you'll destroy the paint.


    Since coming to Autogeek in 2009 I've witnessed numerous people come to the lobby here at Autogeek trying to buy a polish to FIX the damage they did to a marine specialty paint after compounding it. There is no fix except to repaint.



    Now if you're talking about a boat that your buddy Jim painted, that's a whole different ballgame.


    You need to find and know what type of paint is on the boat.



    Mike Phillips
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