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Thread: Help with fibre-glass!

  1. #1
    Junior Member
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    Help with fibre-glass!

    Hey all.

    I've just purchased a gsr lancer (evo bodykit) and on the bumpers there are cracks, How would you suguest these get fixed?

    Whats the process once I figure out how to post pictures i'll upload a few.

    Cheers Andrew




  2. #2
    Senior Member sc80's Avatar
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    Re: Help with fibre-glass!

    1. take bumper out.
    2. paste one or two layer of glass behind cracks.
    3. grind off a little at the painted side that cracked.
    4. bondo it (the grinded area).
    5. fine paint putty, sand and paint.
    6. drive it like a mad-raging-bull-murcielago.
    7. If it doesnt crack again, snap picts and post here.
    8. If it crack, dont get mad at me and then ask someone else ;D.

    Good luck.

  3. #3

    Re: Help with fibre-glass!

    This is a great way to start in the itchy business of fiberglassing. Go for it. Buy the materials, and try to fix the bumpers. Do not worry too much about your first attempt. After a couple of times fixing the same piece you will get the hang of it.

  4. #4
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    Re: Help with fibre-glass!

    Be sure it is actual fibreglass and not a plastic or urethane of some kind. Grind the repair area of the backside real clean. [I usually sandblast. Use matt / cloth and resin to repair, not a "fiberlass repair in a can" product like Duraglass.
    And the joke is,<br />when he awoke his,<br />body was covered in Coke fizz !

  5. #5
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    Re: Help with fibre-glass!

    I suspect this is fiberglass bonded to some kind of plastic. If this is the case, fiberglass to plastic bond may not be a good idea just using resin and glass to make the repair. I have heard some folks have had good luck using a product called 'fusor', sold at auto paint shops. Supposed to be really good for bonding dissimilar materials like plastics and glass skirting. Good luck on the repair.

  6. #6
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    Re: Help with fibre-glass!

    I've just purchased a gsr lancer (evo bodykit) and on the bumpers there are cracks, How would you suguest these get fixed?
    __________________________________________________ ___________________________________

  7. #7
    Junior Member
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    Re: Help with fibre-glass!






    How would any of you going about re-clear coating this carbon fibre bonnet?

    Also thanks for the replys!!! Gona give it ago this w.e.

    Cheers Andrew :

  8. #8
    Senior Member murcie-me's Avatar
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    Re: Help with fibre-glass!

    Sand it out with 1000 grit, re- clear coat it, sand again with 1000, then 1500, then buff.


    Be shure to reinforce the bumper area as you laminate the fiberglass cloth/matting to it. Use 1/8" stainless steel rod bent to fit the curvature of the area, and apply several layers over it. You may want to brace this area back to the frame of the car with stand-offs, so it wont happen again. If its a urethane bumper, your out of luck. I have never seen a succesfull urethane fix that didn't crack somewhere down the line. Best thing is, fix it with bondo, then pull a mould from it, and make a new one that wont crack.
    Without talent experience is worthless

  9. #9

    Re: Help with fibre-glass!

    Nice... The front hoods' gonna look real sweet after re-clear coating, no doubt!

    Anyway I am always pleasently surprised how helpful the guys here are...

    Cheers to madmechanics.com!!

  10. #10
    Junior Member
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    Re: Help with fibre-glass!

    Hey murci,

    If i screw it up (haha) will the carbon fibre actually be stuffed? say I use the wrong git paper and get scatchs etc. will it still look the same once sanded? (sorry if confusing question)

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