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Thread: How to seal foam before glassfiber laminating?

  1. #1

    How to seal foam before glassfiber laminating?

    How do you guys seal foam before adding glassfiber resin? It melts instantly if i dont put anything to it.

  2. #2
    Senior Member ITALIANKNIGHTRIDER's Avatar
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    Re: How to seal foam before glassfiber laminating?

    Quote Originally Posted by AMP3
    How do you guys seal foam before adding glassfiber resin? It melts instantly if i dont put anything to it.
    THEIR ARE SOME SPECIAL products from industrial polymer for hard shelling or if you want something fast an cheap go to home depot or lowes an get a can of BULLSEYE SHELLAC
    In the USA if you pay a company / person to start a plug, then it,s your plug and work ,it is not theirs to sell or trade !!

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    Senior Member CMI-Cars's Avatar
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    Re: How to seal foam before glassfiber laminating?

    thin layer of wall plaster (think its called in english) or sheap packing tape if the foam shall not be reused (you can then just lay 2 layers of tape, and when you layed fiberglass and its hardend, you can rip the foam and tape out)

  4. #4

    Re: How to seal foam before glassfiber laminating?

    Thanks for the quick answers. I have made some glassfiber parts using packing tape. It works well but leaves stripes to surface. Have to look for bullseye or other similar stuff from local shops. How good are the filling abilities on that bullseye stuff, does it need many layers? For example does it cover that fuzz that comes to foam surface after sanding?

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    Senior Member ITALIANKNIGHTRIDER's Avatar
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    Re: How to seal foam before glassfiber laminating?

    Quote Originally Posted by AMP3
    Thanks for the quick answers. I have made some glassfiber parts using packing tape. It works well but leaves stripes to surface. Have to look for bullseye or other similar stuff from local shops. How good are the filling abilities on that bullseye stuff, does it need many layers? For example does it cover that fuzz that comes to foam surface after sanding?
    2 coats sprayed on let it sit overnight
    In the USA if you pay a company / person to start a plug, then it,s your plug and work ,it is not theirs to sell or trade !!

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    Senior Member wbnemo1's Avatar
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    Re: How to seal foam before glassfiber laminating?

    or the poor mans way i learned from a not so poor man...lol vice pres of Disney imagineering... latex house paint, just make sure there's no tolulene in it
    Will

  7. #7

    Re: How to seal foam before glassfiber laminating?

    Latexpaint could be good. At least its thick enough to fill small imperfections. Thanks a lot guys!

  8. #8
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    Re: How to seal foam before glassfiber laminating?

    I used Elmers Glue,but you must cover every small hole the diameter of a pea,or it will melt and the hole will become larger (but can be fixed).
    The road to life is full of flat squirrels, who couldn't make up their mind!

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    Re: How to seal foam before glassfiber laminating?



  10. #10
    Senior Member ITALIANKNIGHTRIDER's Avatar
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    Re: How to seal foam before glassfiber laminating?






    doing the lite body work over the sealing material above

    drivers side full lenght spider rear fender
    In the USA if you pay a company / person to start a plug, then it,s your plug and work ,it is not theirs to sell or trade !!

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