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Thread: Painting over a latex paint, what do I need to know?

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    Registered User CALL911's Avatar
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    Painting over a latex paint, what do I need to know?

    Thinking about getting a LSA, and the paint is latex, and in good shape, but I just don't like the yellow color, and want to paint it a different color. Do I need to strip off all the old paint? Or can I just paint over top of it? What do you reccomend to paint with? I have a paint sprayer, but its use is for spraying paint on houses, not cars or airplanes. I have a fine tip, but don't know if I should paint it latex again, or if I should use an oil based paint.

    I guess I don't really know much about painting an airplane. Can anyone help?

  2. #2
    Moderator Dana's Avatar
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    Re: Painting over a latex paint, what do I need to know?

    If you're painting over latex, then latex would be the thing to use... but it will add weight. Your best bet is to live with the color until such time as it needs a paint job or recover.

    -Dana

    A conclusion is the place where you get tired of thinking.

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    Registered User Dan Thomas's Avatar
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    Re: Painting over a latex paint, what do I need to know?

    Yellow. There are no other colors, just wannabes.

    Dan

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    Registered User NorthwestJack's Avatar
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    Re: Painting over a latex paint, what do I need to know?

    You should have no problems painting latex over latex. However, getting it to lay down is the trick.
    Im painting with latex, high gloss. You have to thin the paint 20% water to make the paint smooth, otherwise you will get an orange peel finish.
    The trick is that all surfaces beeing sprayed need to be horizontal when sprayed, because the paint will run on vertical surfaces. So I have deviced a way of rotating the parts (fuselage,wings etc) so that I dont have to handle the newly sprayed part.
    Yes , an airless sprayer will work with the smallest nozzle that will work with the thinned paint. The only way to get it right is to experiment on test surfaces.
    Humidity and temperature are also very important.
    Ive experimented with a fine trim foam roller and it works allmost as good as the airless. I also tried using floetrall as a thinner. IT probably works better than water but in my application I noticed that the paint was not as glossy with the floetrall.
    Jacq

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    TFF
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    Re: Painting over a latex paint, what do I need to know?

    " Your best bet is to live with the color until such time as it needs a paint job or recover." is the best advice.

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