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  1. #1
    Petty Officer 2nd Class
    Join Date
    May 2004
    Location
    TEXAS GULF COAST
    Posts
    144

    Default repairing a leak in a pontoon (hollow type)

    besides welding is there a way to seal a small hole in bottom of pontoon, i don't want any fittings sticking down i break it off.

  2. #2
    Ensign
    Join Date
    Apr 2002
    Location
    Fort Lauderdale, Florida
    Posts
    934

    Default Re: repairing a leak in a pontoon (hollow type)

    If its a pin hole and not an area that is exfoliated...stainless steel, self tapping sheet metal thread truss head screw. Glob on HARDNING formula Permatex and screw in immdiately, even under water. Clean area with rough 3M pad to clean away oxidation and any marine growth before installing screw.

  3. #3
    Seaman Apprentice
    Join Date
    Mar 2004
    Location
    columbia tn
    Posts
    35

    Default Re: repairing a leak in a pontoon (hollow type)

    When you get it fixed,you can get the pontoons filled with foam.

  4. #4
    Captain
    Join Date
    May 2003
    Location
    Long Island NY
    Posts
    3,929

    Default Re: repairing a leak in a pontoon (hollow type)

    Clean it up and spread some 3m 5200 sealant over the hole and call it a day.Charlie

  5. #5
    Captain
    Join Date
    Aug 2002
    Location
    Banana River
    Posts
    3,183

    Default Re: repairing a leak in a pontoon (hollow type)

    I wouldn't put a stainless screw in it...that creates electrolysis and the aluminum will be the anode. Like charlie says, plug it up with 3m 5200 and forget it forever. If it makes you feel better glue a small patch of alumunum over the hole with the 5200.

  6. #6
    Cadet
    Join Date
    Apr 2004
    Location
    michigan
    Posts
    29

    Default Re: repairing a leak in a pontoon (hollow type)

    jb weld it

  7. #7
    Senior Chief Petty Officer
    Join Date
    Apr 2004
    Location
    Oklahoma
    Posts
    746

    Default Re: repairing a leak in a pontoon (hollow type)

    ditto on the jb weld, friend of mine has used it on his 26 footer and no problems except when he gets tanked and runs it up on the bank, if you want a smooth finish i know this sounds wierd but pean the hole fill with jb weld and then sand it smooth, make sure to sand before you seal it.

  8. #8
    Captain
    Join Date
    Aug 2002
    Location
    Banana River
    Posts
    3,183

    Default Re: repairing a leak in a pontoon (hollow type)

    You can get the jb weld surface slippery smooth by pressing (use a squeegee)a mylar sheet over the patch after application. Then peel the mylar off when the jb is cured. It leave a shiny smooth surface without sanding. This works for resin and other materials too.

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