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CHILI's Avatar
 
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Thumbs down Fiberglass screw-up.

I laid a few larger pieces (about 8X10 inches, which is the largest I've done) yesterday. I think I didn't use enough hardner, because it was still very tacky, hours later. Usually, it's totally dry.

Is there any way to correct this? Can I just apply some harnder with a brush? I don't think I can remove the pieces I laid, now.

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Chad aka "Chili"
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Old 07-03-2006, 08:45 AM
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Chili, Try some heat lamps. That will speed up the reaction. However I'm not sure if that will resolve your problem. If you didn't add enough hardener or if it was old it might not work. I used to work with a fiberglass pro who always used heat lamps to speed up the work.
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Old 07-03-2006, 08:54 AM
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heat is right! if it has not fired in 24hrs, you'll probably need to scrape or sand it off. the cermic heaters are good, should not start a fire, and gets very hot.



-this is why many use West system epoxy. controled measurement via pumps, and much harder then polyester resin.


you could try to coat it with another layer of mat and heavy resin, but most likely the center portion will always be soft and weak.
Old 07-03-2006, 09:09 AM
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Dang, I was afraid of that. Thanks for the info guys!
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"I understand that you want to drive fast, it's just that I want to go faster!" Move ova please

Chad aka "Chili"
1974 Base coupe in Carrera outfit.
No A/C, no Sun Roof, no power windows. Fast and light, just the way I like it. (Sad to say, it's sold. But at least it remains with us on this board.)
My car http://www.pelicanparts.com/gallery/CHILI
1969 RSR Project. Heavy on the word PROJECT! No pictures yet. Keeps breaking lenses of cameras.
Old 07-03-2006, 09:35 AM
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Heat - sometimes sunlight will kick it off. In most cases - sand it off and start again... As far as the west system epoxy with the pumps - I have had that fail too - now I measure EVERYTHING!
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Old 07-03-2006, 09:40 AM
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Was your hardener old? That could be the problem.
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Old 07-03-2006, 09:55 AM
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Quote:
Originally posted by 125shifter
Was your hardener old? That could be the problem.
Nope, it was brand new. I did two different sections. The first one went without a hitch, the other not so much. But, I was just "eyballing" the mixing amounts. That'll learn me!

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"I understand that you want to drive fast, it's just that I want to go faster!" Move ova please

Chad aka "Chili"
1974 Base coupe in Carrera outfit.
No A/C, no Sun Roof, no power windows. Fast and light, just the way I like it. (Sad to say, it's sold. But at least it remains with us on this board.)
My car http://www.pelicanparts.com/gallery/CHILI
1969 RSR Project. Heavy on the word PROJECT! No pictures yet. Keeps breaking lenses of cameras.
Old 07-03-2006, 10:18 AM
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