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Ditch the primer when it comes to Extira

Discussion in 'Tips & Tricks' started by SignProPlus-Chip, Jul 24, 2012.

  1. SignProPlus-Chip

    SignProPlus-Chip Premium Subscriber

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    Feb 19, 2012
    Bluffton, SC
    Been playing around with Extira board for a while. We use it in place of most MDO applications.

    I was having issues with being able to peel an entire sign like an orange when primed and painted with latex paint.

    The primer, and I tried several different flavors (Zinnser, J Cookes, Gripper), just wouldn't bond with the Extira. Here is what did work though, paint straight on the board. The first coat soaks into it a bit, then additional coats bond nicely to that first coat. The paint is so good now I can't even so much as scratch it off.

    BTW - If your using water based latex paint, use some soap and water and WASH your Extira first. Sounds weird?, it's not. Extira is composed of resin which can leach minute amounts of oil and this inhibits paint adhesion. Simply washing the board first helps greatly.
     
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  2. johnnysigns

    johnnysigns Very Active Member

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    Can't say I deal with this stuff much, but this is good to know.

    thanks.
     
  3. skyhigh

    skyhigh Major Contributor

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    Jun 16, 2005
    PA
    I'll second that.

    Correction..... I've never used it in my 20 years. Perhaps I'm missing out on something good? About all I know is that its heavy.
     
  4. 2B

    2B Moderator

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    May 5, 2011
    TX
    same here, but thanks always good to have a new trick.
     
  5. Si Allen

    Si Allen Very Active Member

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    Jul 17, 2004
    Johnny ...the only thing that you are missing is a sore back ... the stuff weighs a ton!
     
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