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Reply With Quotei did the same thing and it worked fine for me. I just did a few layers
Cling-wrap an effective fiberglassing barrier?
I need to make a fiberglass mold of a part of my dash. I know that most people will cover something in aluminum foil to do this, but since the details are fairly fine on this particular part, I was wondering if plastic cling film could be used instead, or if the fiberglass resin would give me problems sticking to the dash through the film, melting the film, etc. As it is much thinner and sticky, I thought it would be better in this case.
Ideas?
i did the same thing and it worked fine for me. I just did a few layers
'98 Explorer Sport
http://mp3car.zcentric.com (down atm)
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Originally Posted by hijinks21
yup me too, except i only used 1 layer. Cling wrap seems very resiliant to resin. But I didnt do a mould for my car, I did it for a 4 foot long fiberglass fish tank backing !:P
Also, you could just use masking tape and tape off the area (Blue painters tape would be the best in terms of masking).
-Nick
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Well, I did it tonight, and it did keep the resin from sticking; however, I would not recommend that anyone use any less than 4-6 layers of film if they want to do this. I used two and it left definate marks on the plastic surfaces underneath. Luckily one of those pieces was for me was throwaway (a radio blank that I had found, and the other one (my climate controls) will be relocated and much less visible when done.. Plus I can acetone it out a little bit. The resin I used was polyester, so I have no idea what epoxy resin would do.
Anyway, in summary, cling film works, but I WOULD NOT RECOMMEND IT AT ALL if you can get away with any other alternative!
Next, I have to fiberglass inside my mold -- I'll use a different release agent this time around
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