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Thread: Restoring Aluminium

  1. #1
    Junior Member
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    Restoring Aluminium

    Been looking at getting the window frames of our car restored ,one way of having them done is using Chromium Plating ,has anyone else used this method .My only concern is that it adds to the thickness of the parts and makes them hard to refit
    Thanks Brian

  2. #2
    Member #226 R Gruppe Life Member #147
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    Model year?

  3. #3
    If the frames are aluminium then they should be disassembled, the existing Anodising stripped, polished and re anodized. Chrome plating aluminium is not a good idea.

  4. #4
    And you will eventually get a nice result after the second or third round....

    The first strip and polish will look fantastic until they anodise when all of the corroded bits will show up again - strip and remove all of these defects the repeat and sometimes again.

    Clear cerakote is an option that is worth considering if the applicator can get it on without orange peel will look good on the first round.

    BTW finding a company that is doing bright anodising as its called can be a challenge!
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  5. #5
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    Ivan, having gone through this process myself, I couldn't agree more with your comments. Spot on. It took three attempts to get mine right much to the dismay of my anodiser who is now contemplating discontinuing this service for window frames since it is such a pain and not cost effective for him.

  6. #6
    Not sure why you have had problems re finishing the aluminium frames. It is essential that the frames are completely stripped of the old anodising on the 'show ' surfaces. Along with a number of friends we have now done several sets of frames without any issues at all. Using an anodising company familiar with the frames also helps.

  7. #7
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    The biggest issue has been corrosion. Once the anodised surface has been chemically removed and polished the surface appears to be ok until it is anodised and then the imperfections appear, which then requires the process to be repeated. This is probably worse for us in the UK due to our climate.

  8. #8
    Quote Originally Posted by 911GP View Post
    The biggest issue has been corrosion. Once the anodised surface has been chemically removed and polished the surface appears to be ok until it is anodised and then the imperfections appear, which then requires the process to be repeated. This is probably worse for us in the UK due to our climate.
    For the record I am in the UK.

  9. #9
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    Oh. Maybe mine were in a really bad state then. My anodiser is well known and is very good but he has been pulling his hair out getting these door and window frames right.

  10. #10
    Senior Member Chris Pomares's Avatar
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    This is who is restoring 68 and 69 aluminum window frames for me.

    http://www.early911sregistry.org/for...ized-Anodizing
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    I couldn't find the sports car of my dreams, so I built it myself-Ferdinand Porsche

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