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Old 06-10-2012, 13:00   #16
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Re: Bondo vs formula 27 vs epoxy fairing

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Originally Posted by Sumner View Post
Yep....



....that was water at the Bonneville Salt Flats so more concentrated than the ocean, but you are right about the effect. The disk brakes came through. The rear brakes I replaced. The truck body and trailer body have a lot of bodywork problems after 150,000 miles and a couple thousand on the salt flats alone.

If the salt water can get through the outer coating to the talc body filler and the metal under it you will sooner or later have a mess. My truck and trailer need to be redone and they both had been down to bare metal with an epoxy primer on everything.

If a person can do it the method you described....



...is by far the best solution,

Sum

Yes, and that's just a one-time immersion. Constant immersion creates condensation on the inner skin, hence the common practice of insulating the interior to try to minimize this. Marine products often cost more for good reason...
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Old 06-10-2012, 13:04   #17
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Re: Bondo vs formula 27 vs epoxy fairing

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Cool thank you!! I'll keep that in mind. I think I'll try 407 just for fun as well. I work @ WM so I can get that relatively inexpensively. I doubt we carry the Rage gold though, so I'd have to spec order it and I'm sure your price would be way lower.

The worst part is: I won't know which way was best/cheapest/easiest for like fifteen years lol


Remember if you use 407 you shouldn't apply a poly product over it. You can apply epoxy over poly but not poly over epoxy. Just one of the reasons it's best to stick to one product. I think Rage Gold comes in four gallon cases, I bet my cost is about $100. Probably enough to do your whole boat if you are just spot repairing...
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Old 06-10-2012, 13:09   #18
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Re: Bondo vs formula 27 vs epoxy fairing

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Yes, and that's just a one-time immersion...
Unfortunately about a weeks worth that year and other years water is there, but not as deep .

Sounds like you can help him out ,

Sum
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Old 25-10-2012, 22:30   #19
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Re: Bondo vs formula 27 vs epoxy fairing

Thanks one and all for the help on this thread. I thought I'd share some pictures, I think it turned out pretty damned good. Hopefully it'll last a couple years













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Old 25-10-2012, 22:37   #20
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Re: Bondo vs formula 27 vs epoxy fairing

Nice!! Congrats on a good job.
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Old 28-10-2012, 02:38   #21
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Re: Bondo vs formula 27 vs epoxy fairing

Just be careful epoxy resin is flexible and reactivates with heat not good to paint over in dark colors and shows small stress cracks around tension areas. In Australia we use epoxy resin mixed with micro balloons or spheres or Epoxy resin mixed with Q-cell all light weight compounds for faring easy to sand, you will need a sense of humor and a good torture board to get your boat straight but possible and worth the work.
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