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  1. #11
    PWCToday Newbie
    Join Date
    Jun 2007
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    Knoxville, TN....Moving to NW FL In Nov.
    Age
    53
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    28

    Re: Fiberglass Repair Instructions

    I wish I would've had this last year. This was great info.

    Thanks,

    spdby

  2. #12
    Frequent Poster Eco Jim's Avatar
    Join Date
    Dec 2006
    Location
    On the Orange River in Fort Myers, Florida
    Posts
    212

    Re: Fiberglass Repair Instructions

    My solution to cosmetic hull damage is to always buy a ski with a white hull and don't worry til it leaks!!
    Jim @ Fort Myers & Wildwood


    (2) 96 stock Ventures
    (1) 99 SUV "Riva Stage II"

  3. #13
    PWCToday Newbie Crissy's Avatar
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    Apr 2007
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    Jackson, MS
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    49
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    23

    Re: Fiberglass Repair Instructions

    I had a friend run my sitdown aground and there was a through-hull hole you could put 4 fingers through! When we finally found a place who would fix it they said $1200. I just wanted to share my experience - wish I could have found this post before I did it! My ski is fixed & looks pretty good & it cost me about $35. I did it myself - with no direction from anyone else and with no experience ever working with fiberglass or any of this stuff! Not bad for a 120 lb girl - you don't need to be technical to do it.

    For a gelcoat bottom I ordered a MarineTex kit (if its more than a little ding, don't get the 2oz kit - get the bigger one). I got mine on Ebay for $25 or so. It comes in white or grey. For a big hole like mine I got some fiberglass cloth too (Home Depot, couple bucks). I also needed safety glasses, rubber gloves, a stiff piece of cardboard for a mixing board, a spackle type tool to smear it on with, acetone for precleaning, sandpaper and a fan for ventillation. Don't laugh at the safety glasses and gloves - when you mix the catalyst - it smokes a little! You have to work it in an area that is 70 - 80 degrees. I just did it in the early morning in the garage.

    The most important part (and most difficult for me) was prepping the area. You may have to take out the gas tank or pivot it back. Just follow the kit directions - very easy! Clean and sand everything down with 60 grit. Make sure there is absolutely no oil or anything other than hull. My repair was right on the big ridge that runs the length of the ski.

    Then mix the epoxy & catalyst per the directions - you may want to snatch a 1/2 teaspoon measuring spoon from the kitchen - you have to get exactly 1 part cat to 5 parts epoxy. I scooped it all on the carboard then mixed with the wooden stick that comes with the kit. Don't get any on you - it burns - chemical burn. Wear rubber gloves - I just used dishwashing playtex gloves. Smooth it over the area until you are happy with the appearance. You can continue to work it for an hour or more until it starts to set up. I had to mix up 4 batches and use 4 layers of fiberglass cloth. I coated from inside the hull and outside but you may not be able to get to the inside. Its so easy to work with, you may want to clean any other little dings or deeper scratches - it'll fix em up like new.

    Wait until the next day and its completely cured. I waited 18 hours and started to sand using finer sandpaper as I went. The white matches the gelcoat so no need to paint but I had a little fiberglass cloth showing after sanding so I did spray it with a bit of gloss white!

    I took it out bashing in the bay and its perfectly water tight - and it looks really good! Unless you know where the hole was, your eye wouldn't go to it! Give it a try! You can have your ski fixed in just a few days. Check the pic - I'm pointing to the area & I applied MarineTex to about an 8 inch diameter.
    Attached Thumbnails
    Attached Images Attached Images
    Last edited by Crissy; 07-29-2007 at 09:09 AM. Reason: add pic
    Crissy in Jackson, MS
    '87 Kawi 650 SX
    '97 Waverunner GP 760


  4. #14
    PWCToday Regular
    Join Date
    Sep 2002
    Location
    Upstate NY
    Age
    50
    Posts
    149

    Re: Fiberglass Repair Instructions

    Are small chips in the bottom gelcoat a problem? Or only an appearance issue?

    Thanks!

  5. #15
    PWCToday Regular
    Join Date
    Aug 2007
    Location
    Currently hating N.J.
    Age
    49
    Posts
    55

    Re: Fiberglass Repair Instructions

    What would be the least that could be done to the exterior of this?....I am planning to resin the interior and leave the exterior alone, since this ski has always been original.
    Attached Images Attached Images

  6. #16
    Frequent Poster
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    Aug 2007
    Location
    Choctaw, Oklahoma
    Age
    53
    Posts
    252

    Re: Fiberglass Repair Instructions

    The front hatch cover on my 98 tigershark is warped and the screw holes are striped out an cracked. I have heated the area and have it back down to where it needs to be but, How do i fix it now so that it will be solid?

  7. #17
    resident guru knightofwyte's Avatar
    Join Date
    Feb 2006
    Location
    Virginia
    Age
    33
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    1,153

    Re: Fiberglass Repair Instructions

    Quote Originally Posted by 5150Gary
    What would be the least that could be done to the exterior of this?....I am planning to resin the interior and leave the exterior alone, since this ski has always been original.
    Well that's an above the waterline crack so it really shouldn't be too much of an issue unless you're after a cosmetic fix.

    I would apply some resin and cloth on the inside or even a thin veil material and some resin from the outside just to seal it up and help prevent it from spreading. You can 't really use JUST resin since it will crack fairly easily without a fiber to hold it together.
    "Build a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life!" -Anonymous

  8. #18
    resident guru knightofwyte's Avatar
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    Feb 2006
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    Virginia
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    33
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    1,153

    Re: Fiberglass Repair Instructions

    Quote Originally Posted by Oklahoma Tigershark
    The front hatch cover on my 98 tigershark is warped and the screw holes are striped out an cracked. I have heated the area and have it back down to where it needs to be but, How do i fix it now so that it will be solid?
    I'm a little confused, can you post some pics of it so I can see exactly what you need fixed?
    "Build a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life!" -Anonymous

  9. #19
    Frequent Poster
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    Aug 2007
    Location
    Choctaw, Oklahoma
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    53
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    252

    Re: Fiberglass Repair Instructions

    I'm on duty at the fire station today...I will post some pics. tomorrow.

  10. #20
    Frequent Poster
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    Aug 2007
    Location
    Choctaw, Oklahoma
    Age
    53
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    252

    Re: Fiberglass Repair Instructions

    Quote Originally Posted by Oklahoma Tigershark
    The front hatch cover on my 98 tigershark is warped and the screw holes are striped out an cracked. I have heated the area and have it back down to where it needs to be but, How do i fix it now so that it will be solid?
    1st picture is the stripped out holes (kind of blury sorry)
    2nd picture is with the cracks traced in black (lots of cracks)
    3rd picture is of the area i'm talking about. (where the hatch cover bolts up to the hinge)
    Attached Images Attached Images

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