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Thread: Fixing holes in Aluminum Boat

  1. #11
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    Hello: You could patch it using 3m 5200 and no rivets,just make sure it is clean before you use the 5200. Also don't try to remove the 5200 patch you will damage what ever you put it on. Also guys are using 3m 5200 to mount their transducers with no screws. Good Luck . O - R

  2. #12
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    We weld aluminum 5 days a week at our business. We have 3 High frequency MIG machines that are set up specifically for Aluminum. I deal with it every week day.....

    I just read the sales pitch and I'd have to see it to believe it. I've never seen any application where aluminum doesn't have to be cleaned, beyond clean to make a repair. "They" claim that their product penetrates the oxidation on aluminum and that oxidation makes a stronger repair. It sounds like snake oil to me.

    Having said that, I will attempt to find some of those rods and I will try them on something. IF they do work as advertised, then it would be a great solution for an "on the fly" fix. I am highly skeptical though.

    I do not think you'll melt a hole in the aluminum with a propane torch if you're careful. If you get close to thin aluminum with an oxy/acetylene torch, it's going to have a hole in it.

  3. #13
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    I had my boat wielded by a shop a couple of times, I was very happy with the work and the price, I don't know why someone would do anything else.

  4. #14
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    the biggest issue in any place is Patch location//is there and flooring or flammable material on other side// can it be welded from inside boat//can you position boat in a way it can be welded without overhead//and others

  5. #15
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    Quote Originally Posted by cva34 View Post
    the biggest issue in any place is Patch location//is there and flooring or flammable material on other side// can it be welded from inside boat//can you position boat in a way it can be welded without overhead//and others
    An aluminum boat with flotation foam inside, can be welded from the outside, without causing the foam to burn, if the person who does the welding, knows what they're doing. It can also be welded from underneath (overhead weld) if the man on the machine is good enough. It doesn't have to be flipped over. If you take a boat to a shop that tells you that, leave and go somewhere else.

    A welding shop that specializes in carbon steel welding, is not the best place to take a boat to get repaired. There is no comparison in steel and aluminum welding or fabrication.

    Every town or at least every county, is going to have a guy who repairs aluminum car and truck rims. He's the guy that you want repairing your boat. That's not what my business does, but you aren't going to find places like us. There isn't even one in every state. Having said that, if any of you ever need your aluminum boat repaired, and want to drive down, over, or up to get it done, just let me know and we'll schedule it and fix it while you wait. I can't extend that same courtesy to semi tankers owners. They take longer. LOL
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  6. #16
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    I have purchased some of the rods using a propane torch to weld aluminum, it takes a bunch of practice, I was practicing on aluminum cans as I figured if I could get these welded I was good to go. The hardest is finding and learning that fine line where the surface starts to get molten and burning thru and not hot enough to get a good weld. It does work as advertised if you learn how.

  7. #17
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    Carry it to a qualified aluminum welder. You will be glad you did it right...
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  8. #18
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    Try flex seal
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  9. #19
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    Quote Originally Posted by JUS1MO View Post
    Carry it to a qualified aluminum welder. You will be glad you did it right...
    What he said....fix it right and fix it once....lot better and cost you less money and troubles in the long run.
    I have spent most my life fishing........the rest I wasted.
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  10. #20
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    The zinc rod does work and pretty well at that. I use the stuff from harbor freight and l think they are all about the same. Follow the instructions that come with it and do some practice before you dismiss the rod and procedure.

    Having said aid that I also have a Miller syncrowave TIG welder and am proficient with all types of welding, and recommended you have someone who knows what they are doing perform the work.

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