Foam-Core and Spraypaint

  1. #1
    boba-fetus's Avatar
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    Foam-Core and Spraypaint

    Silly question, but does anyone know if using spraypaint is a no-no with Foamcore?

    Specifically, will it melt the literal foam core of the board the same way it melts regular styrofoam?

    Any help would be great.

    Thanks.

  2. #2
    Jaiden's Avatar
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    Apr 2005
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    Re: Foam-Core and Spraypaint

    Yes, spray paint will melt some of the foam, but not as much as you think. I used the paper coated board from a Dollar Tree and painted it after I put a coat of resin and Bondo-Glass. Some of the foam did melt, but only about 1/4 inch in. It's easy to fill with some glazing putty.

    David.

  3. #3
    CombatBaby's Avatar
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    Re: Foam-Core and Spraypaint

    Not if you seal it with something first, otherwise yes.

  4. #4
    Atin Verd's Avatar
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    Ottawa, Ontario, Canada, Canada
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    Re: Foam-Core and Spraypaint

    What can I seal it with??

  5. #5
    xero's Avatar
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    Re: Foam-Core and Spraypaint

    Atin Verd said: View Post
    What can I seal it with??
    Thin coat of plaster... Used this on a project for Bio in high school... or for this application, possibly bondo. Or fiberglas -- though the resin heats up, and could do nasty things to the foam still. Anyone else?

  6. #6
    boba-fetus's Avatar
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    Re: Foam-Core and Spraypaint

    As the originiator of the thread here is my update.

    The project that I was going to do this for was changed and am no longer using foamcore. Something better presented itself.

    In the past I have coated regular styrofoam with a couple of coats of acrylic gesso and the spraypaint was fine.

    I have seen spray paint in the fabric stores that is specifically for use on styrofoam.
    I've never used it but I knew folks who did. Keep in mind this was 12 years ago so I don't know if this stuff is still around.

    I read somewhere that the Krylon H2O rattlecans are styro safe but I have yet to see any proof of that.

    In a nutshell, I was too lazy to rip off a chunk of scrap foamcore and spray it down. Figured I'd ask here instead.

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