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  1. #1
    Registered Pure Energy's Avatar
    My Boats:
    2001 Superboat Y2K
    Join Date
    Oct 2000
    N. NJ, Eastern LI

    Question Re-installing fuel tank, what foam should I use?

    Will "great stuff" in a can work or should I use the 2 part stuff?


  2. #2
    Charter Member #232 Charter Member Audiofn's Avatar
    My Boats:
    1979 Formula 302, 99 Formula 353, 81 Donzi 18 2+3 with 454
    Join Date
    Oct 2000
    Carlisle, MA USA
    Use the 2 part stuff that is LOW expansion, or just pour a little in at a time. For true coast guard aproval you need to use the correct stuff. Good luck.

    Put your best foot forward!

  3. #3
    VIP Member Platinum Member wwwTOPDJcom's Avatar
    My Boats:
    1992 450hp Senza Spectre 25'
    Join Date
    Mar 2002
    Vestal/Binghamton NY
    ya great stuff Expands TOO much

  4. #4
    Registered Andy Buzz's Avatar
    My Boats:
    2000 Outerlimits
    Join Date
    Mar 2001
    Tampa, FL USA
    Any fiberglass supply house will offer one gallon cans of two part foam available in two pound four pound etc density. Check I am guessing around $50. Like audiofn mentioned, put in a bit at a time. The stuff rises like a cake, sands easily, and can even be fiberglassed over. Great Stuff will melt if you try to fiberglass over it.

  5. #5
    Registered Bulldog's Avatar
    My Boats:
    79 Larry Smith Scarab 'Kaama'
    Join Date
    Feb 2001
    Abita Springs, La.
    Are you going to coat the tank with something before you foam it in? I am getting ready to put mine in and am going to use Gluvit from West Marine. It is a waterproofing epoxy that remains flexible. After I foam them in I am going to seal the top of the foam. AndyBuzz is right, use the 2 part stuff.

    Bulldog aka Ronnie

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