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  1. #1

    What spray paint to use on Dollar Tree foamboard?

    Hi everyone,

    I was just wondering if anyone has advice on what is the best type of spray paint to use on Dollar Tree foamboard? I have tried a couple types, and some of them seem to loosen the bond between the paper and the foam. Any advice would be appreciated.

    Surfr

  2. #2
    Epoxi Flyer KKArioKA's Avatar
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    Jan 2012
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    here is the method i use in depron, EPS and Elapor, not sure about DTF with paper coating.

    1- use water based spray to preserve the foam
    2- spray from a good distance at least 30 - 40 cm (1,5ft)
    3- spray in multiple layers, dont soak the paper !
    4- First LAYER is very important that you do only a very thin shadow, it will settle as the base for the rest of the coating.
    5- use fast and linear movements to spray, like a old typewriter, release the spray button after each "line".

    i hope it helps ! Welcome to the FORUM !

  3. #3
    Senior Member con244's Avatar
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    Hi SilvrSurfr
    I usually just use the rattle cans of spray enamel that you can get at hardware shops. The trick is to just put very light coats on, especially the first coat. I have managed to separate the paper and foam but that was by putting too much paint on per coat. By putting light coats on and waiting for it to dry properly you don't compromise the bond between paper and foam. The foam on the edges is also affected by the paint but after the first coat it generally is sealed and no longer affected.
    Con

  4. #4
    Thanks for the replys. I'll give it another try with the enamel. I think I may have gone too heavy on the first coat.

    Surfr

  5. #5
    Elemental Madness Carbon's Avatar
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    I tried a few and it doesn't really matter. Just do 3-4 coats very, very light.
    "Trust me, it's suppose to fly that way..."

  6. #6
    Senior Member
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    I you paint foam board with paper on both sides, I've noticed that it helps to paint both sides at same time. All previous advice still apply, of course.

  7. #7
    Aussie in Belfast hart's Avatar
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    Mar 2013
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    Plasti-koke worked well for me on foam board sourced here in the UK - not the same as your dollar-tree foam board, the paper on this stuff here was stuck down a lot harder than the dollar-tree - but still, you might have some success. Again, light coats, apply 3-4 coats for best finish.
    Currently flying: stock standard Bixler 1.1 from HobbyKing.
    Would love to build: de Havilland Mosquito, balsa/plywood kit.
    Last build: A FauxJet.
    Currently building: A noob tube.

  8. #8
    Senior Member aiidanwings's Avatar
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    Mar 2013
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    I use the .99 cent stuff from Walmart. Great color variety, and any paint will wrinkle the paper if it's applied too quickly. Get out of the wind, hold the can a foot and a half or so away and mist it slowly.

  9. #9
    I Airbrush using a $21 airbrush from Harbor Frieght and I use Createx water based paint from Hobby Lobby WORKS GREAT ! ! !

  10. #10
    Junior Member
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    Mar 2013
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    Indian Head, MD
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    I remembered a build article by Larry Renger for foamboard 1/2a control line models that used Cox or Norvel glow engine. If Larry could make the foam board fuel proof for up to 15% nitro, it should work to seal out water from moisture from our electric craft. I was able to find the article, Flying Models- Jan 2002. Larry tapes the foam edges with Scotch tape and then sprays on urethane clear. "You can use tape, stickers, decals, Magic Marker, watercolors, or almost anything except Crayon to decorate your plane. (Urethane will bead up over wax)" When you are ready, spray a light coat of Urethane Spar Varnish over the entire model. Let it dry overnight, sand it very lightly with 600 grit paper to just kill any remaining fuzz, then give the plane a nice heavy coating with the spray varnish. Larry said he likes to put the model in a hot car trunk for a couple afternoons to set up the varnish nice and hard.
    I will be trying this on a couple basic foamboard planes like the FT Flyer to see how it works out, but it seems like it will seal it up. Not sure how much weight will be added, but a heavy plane is better than mush........

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