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Urethane vs Fiberglass

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Old Aug 10, 2003
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Question Urethane vs Fiberglass

i have a question... i was lookin at body kits.. and i hear yall talkin about it alot.. but what is the MAIN difference between Urethane and Fiberglass?
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Old Aug 10, 2003
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Urethane is a much better quality than fiberglass. I think urethane is unbreakable.
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Old Aug 10, 2003
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Fiberglass cracks. Urethane does not.
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Old Aug 10, 2003
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my buddy has a 97 prelude, and he went through 3 Fiberglass front bumpers in 2 months around here. The roads arent even that bad here, but his car is slammed, and speed bumps suck! Just food for thought.
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Old Aug 10, 2003
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but urethane can warp...fiberglass breaks, easily fixed, but can get annoying. I guess it depends on how much you want to spend in the short/long run.
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Old Aug 10, 2003
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Originally posted by renagadecivic
Urethane is a much better quality than fiberglass. I think urethane is unbreakable.
so being of a flexible material makes it better quality? that's a very broad generalization.

urethane is generally better for street-drivne cars becuase of its durability. however, most all-out show cars have fiberglass kits because many high-end bodykit makers (buddy club, veilside, etc) make exclusively fiberglass kits.

there are, however, a large amount of cheap fiberglass replica kits, which are generally flimsier than their high-end counterparts, and that is one of the main reasons that people believe fiberglass is a "lower quality" material than polyurethane.

and please, this topic has been discussed repeatedly. are the opinions in those threads so few and unimportant that it warrants you creating a new one?
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Old Aug 10, 2003
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yeah, little rocks from the road can damage fiberglass.

urethane can take hits better than fiberglass
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Old Aug 10, 2003
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another thing to consider is when paint chips on urethane it's hard to repaint. you can't repaint part of a urethane piece.
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Old Aug 10, 2003
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when fiberglass cracks and breaks and all that good stuff it sucks to refinish... expensive, well at least in my case it will be expensive to refinish my fiberglass front end... I'd rather have urethane
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Old Aug 10, 2003
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bondo + adhesion promoter + primer + paint for just the damaged part is generally less expensive than stripping and repainting the entire piece as you would have to do for most urethane parts.

btw what happened to your front?
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Old Aug 11, 2003
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urethane can crack,i have cracked it.but it takes alot.if you know how to finberglass really good then go woth fiberglass.
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Old Aug 11, 2003
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Urethane is better, no ?'s just get it
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Old Aug 15, 2003
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i got a fiberglass buddy club kit and ive cracked it twice resulting in like 400 dollars of damage, but i feel urethane is better, the octane kit at www.visionautodynamics.com in my opinion the best urethane kit out there that ive seen, unless bc makes a urethane
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Old Aug 15, 2003
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Originally posted by dragoon
urethane is generally better for street-drivne cars becuase of its durability. however, most all-out show cars have fiberglass kits because many high-end bodykit makers (buddy club, veilside, etc) make exclusively fiberglass kits.

there are, however, a large amount of cheap fiberglass replica kits, which are generally flimsier than their high-end counterparts, and that is one of the main reasons that people believe fiberglass is a "lower quality" material than polyurethane.
I agree, Zenfiro makes an outstanding kit for the tiburon so does sharkracing and ings+1 for the rsx. but all are expensive, if you want fiberglass, go with the good quality ones, and put it this way, if you can afford the high end fiberglass kits then i'm sure you can afford to fix them as well. Most people that complain about fiberglass (ones i've read anyways) are saying that they don't fit properly, poorly made etc etc, but in most cases it is because they are using replica kit as dragoon mentioned.
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Old Aug 15, 2003
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YEA !!! what they said .................
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