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paint for MDO

Discussion in 'General Signmaking Topics' started by MartinJones, Sep 17, 2018.

  1. MartinJones

    MartinJones Member

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    Aug 9, 2016
    Federal Way, WA
    So I have a customer that has ordered a MDO sign. It will be black with gold vinyl lettering, so my question is, what type of paint do i use for the MDO so the vinyl will stick good. I've read alot of posts about lettering falling off of painted surfaces because the paint wont let the vinyl stick, so what should I use?

    Martin
     
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  2. Billct2

    Billct2 Major Contributor

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    I would use a good oil based enamel with proper priming.
     
    • Agree Agree x 2
  3. Gino

    Gino Premium Subscriber

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    Don't forget to fill in the voids and sand & tack between coats.

    The vinyl falling off, is due to certain latex paints.
     
    • Agree Agree x 1
  4. unclebun

    unclebun Very Active Member

    Chromatic Bulletin Enamel or Ronan Sign Paint, both available from your sign supplier.
     
    • Agree Agree x 1
  5. visual800

    visual800 Very Active Member

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    I would go with latex, BEHR satin. Ive had no issues with that holding vinyl, just make sure you spray it or apply with foam roller. keep your coats thin and dry it out well.

    I will ask why the hell did they with MDO and that gold is not going to last outside very well
     
    • Disagree Disagree x 1
  6. Marlene

    Marlene Major Contributor

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    Why MDO?
     
  7. Pippin Decals

    Pippin Decals Active Member

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    I use Gloss Rustoleum oil based. Prime first and seal the edges.
     
  8. MartinJones

    MartinJones Member

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    Aug 9, 2016
    Federal Way, WA
    MDO is what the customer wanted, I couldnt change their mind, so its what i have to go with. So im getting the idea that i should use oil based!
     
    • Like Like x 1
  9. SignosaurusRex

    SignosaurusRex Major Contributor

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    If you are using a non "pre-primed" MDO... Use a "two-sided" MDO and a good oil-based primer such as a Zinser brand premium product.
    Lightly sand the primer with a good "no-fill" 320 grit sandpaper and make sure all sanding dust is removed. I like to remove the sanding dust and wipe the primer down with a quality grade Mineral Spirits or Paint thinner and let it dry. Wipe it down with a clean cloth or "Tack-Cloth" and apply the with finish coat.
    Chromatic brand Bulletin Black #4010021 is a good choice but Rustoleum High-Performance (Silver Label) will work just as well. Try to stay away from pre-primed MDO. That primer is total crap.
    If possible, either spray your finish coat or use an 1/8" (nap) foam roller such as a Wooster "Tiz" roller # R730-7" or R730-9". A second coat of finish color will give you a higher gloss. If you do add a second coat of finish color.... lightly scuff the previous coat with "Scotch-Brite" to give it some added "tooth" for the second coat to bite.
     
    Last edited: Sep 18, 2018
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