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MDF Board Signs

Discussion in 'CNC Routing & Laser Cutting' started by MAB SIGNS, Dec 21, 2003.

  1. Dec 21, 2003 #1
    MAB SIGNS

    MAB SIGNS Very Active Member

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    Pros n Cons? Whats the best primer and prep for this material?

    Mark
     
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  2. Dec 21, 2003 #2
    Dale Horn

    Dale Horn Member

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    I'd suggest marine enamels - why? vinyl adheres to it better than latex
     
  3. Dec 21, 2003 #3
    MAB SIGNS

    MAB SIGNS Very Active Member

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    We don't use latex at all, we use Ronan or Chromatic bulletin colors and some one shot. We can spray, roll or fill paint. The primers the guys were using was still allowing a rough look to finish so now we've switched to blockout white from Chromatic thinking it has more pigment than the previous. I'll let you know how it goes once we finish some. Is there a name brand for marine enamels and is it available from many suppliers?

    Thanks for the reply!

    Mark
     
  4. Dec 22, 2003 #4
    Dale Horn

    Dale Horn Member

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    There's lots of suppliers.
     
  5. Dec 23, 2003 #5
    openwood

    openwood Member

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    Nov 21, 2003
    MAB, I have been using Ronan primer for 13 years and i have tried others and I will never switch.I usually end up coating most peices twice.It works great on metal, wood and signfoam.
     
  6. Dec 26, 2003 #6
    k.a.s.

    k.a.s. Very Active Member

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    NE ohio
    If your using Cromatic that is as good as anything, but we also use a lot of XIM and have had really good luck. You can buy XIM from Pioneer supply in Pit. PA
     
  7. Dec 26, 2003 #7
    MAB SIGNS

    MAB SIGNS Very Active Member

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    XIM is what I have used in the past for steel sign poles its a good product, I don't recall ever using it on wood though. We use fast dry blockout white from Chromatic now. The guys were using something else prior and it was not taking care of the fuzzy surface MDF has especially after routing so I asked them to switch to blockout, the pigment is heavier in this verses what they were using. I'm still against using MDF but its not my decision to make, I'm just concerned we'll have some come back because of water damage.

    Mark
     
  8. Dec 26, 2003 #8
    Baz

    Baz Very Active Member

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    Jun 20, 2003
    Gatineau, Québec, Canada
    MDF is not good for outdoor uses.
    For paints, a good quality enamel primer and One Shot paints are best in my opinion. As a cheaper alternative you can also use One Shot's Graphic Coat line of bulletin colors.
    Ronan and Chromatic are good paints as well .. But i find One Shot paints cover best.
     
  9. Dec 26, 2003 #9
    MAB SIGNS

    MAB SIGNS Very Active Member

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    We have been using some MDF called Exterra which supposedly is for outdoor use but I'm still skeptical. One Shot is a great product! Thanks for the input!

    Mark
     
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