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Old 07-19-2009, 07:13 PM
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fiberglass guestion

What type of fiberglass repair supplys do i need to fix a couple cracks and quarter sized hole on the fender of my 3500 dodge dually? I have plenty of paint and body experience but never messed with fiberglass plastic or whatever material the fender is. Thanks for the help.

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Old 07-19-2009, 09:04 PM
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I am not familiar with what the Dodge fenders are made of, they may be SMC (sheet molded composite) and not fiberglass. SMC is mistaken quite a lot for fiberglass. Corvettes have not been made of fiberglass for quite some time now but people still call them fiberglass.

Now to answer your question: If it is indeed fiberglass than what you need is polyester resin. You can get the stuff at just about any auto parts store. Bondo makes some and it's as good as any high priced brand.

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Old 07-20-2009, 12:59 AM
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I can tell you that it is not fiberglass
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Old 07-21-2009, 12:34 PM
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What would you do if it's SMC? How different is that to repair than fiberglass?
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Old 07-21-2009, 05:41 PM
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I would point out that a One to One type EPOXY resin from tap plastics is gonna be the way to go .

no risk
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Old 07-21-2009, 06:35 PM
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Pick up some smc repair resion.Looks a lot like fiberglass repair resen but you use the same hardener as dura -glass. It works the same as fiberglass repair and do your repair as you would fiberglass. Use the same matt as in a fiberglass repair. Make sure there is no paint under your repair area and that its clean.You can also use this to repair fiberglass. Works better and holds up better.I work at a large truck dealer body shop and use the stuff everyday. Most truck hoods today are smc or plastic to save weight.Don't be afraid to build it up on the back where it can't be seen for support.Be sure to bevel the crack edge. A sharp edge will recrack.
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