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Prepping alupanel, DiBond, etc. for painting?

Discussion in 'General Signmaking Topics' started by threeputt, Mar 18, 2014.

  1. threeputt

    threeputt Very Active Member

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    We generally use a Scotchbrite pad or similar to scuff the surface of these panels. Then prep with Rapid Prep.

    But I've noticed that the paint is not always as bonded as I'd like. What do others do here? I'd like to top coat in Bulletin enamel.

    Is a primer necessary? Hopefully the painted panel is "primer" enough.

    Painting experts?
     
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  2. J Hill Designs

    J Hill Designs Major Contributor

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    straight to topcoat. I scuff with 400
     
  3. Gino

    Gino Premium Subscriber

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    Are you spraying or rolling ?? And what size panels and how many at once of the same color ??
     
  4. threeputt

    threeputt Very Active Member

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    This particular job is 50"x52" panels, all the same color (black), roller coating with foam rollers.
     
  5. Craig Sjoquist

    Craig Sjoquist Major Contributor

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    Scuffs with 400 grit, cleans starts painting.

    But this was mention in another forum that panel maybe powder coated & this does not work, so this question is what brand ya using ?

    I get mine from N. Glanze & the least expensive
     
  6. Pat Whatley

    Pat Whatley Major Contributor

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    What they said...scuff with 400, clean, paint. Usually I clean them with denatured alcohol....mainly because it's the only cleaner on the table so it's easiest to reach.
     
  7. Gino

    Gino Premium Subscriber

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    If we were spraying, I'd do the 400 grit, but the amount of paint going down with a roller..... 220 grit should do just fine. Just be sure to tack it afterwards. I'd still give it as thin a coat possible with a roller.
     
  8. J Hill Designs

    J Hill Designs Major Contributor

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    buy black dibond :thumb:
     
  9. Gino

    Gino Premium Subscriber

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    1000% I didn't see the color was black.
     
  10. J Hill Designs

    J Hill Designs Major Contributor

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    we love the colored dibond here - 1 side sexy satin, 1 side sexy gloss
     
  11. TammieH

    TammieH Very Active Member

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    Yeah, why would you paint black if you can purchase black?
     
  12. phototec

    phototec Very Active Member

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    Belton

    Maybe because BLACK Dibond does NOT come wide enough for 50"x52" panels?

    :help
     
  13. J Hill Designs

    J Hill Designs Major Contributor

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    Yeah maybe haha missed that part...

    :Oops:
     
  14. phototec

    phototec Very Active Member

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    Yea, I thought so..

    You know I read all the posts in every thread, however I see more and more comments posted, like if the poster has NOT read everything, oh well!

    No harm no foul....:thumb:
     
  15. ddarlak

    ddarlak Trump Hater

    i roller coat with foam rollers and use ronan bulletin paint, scuff with a 3M scotchpad and still have had the paint come off in sheets, so i say sandblast the carp out of it......j/k

    sand it for sure, scotchpad has failed for me a time or two....
     
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