Wrinkles/creases in posters

squareman

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Joined
Nov 14, 2004
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Raleigh,NC
I've tried the search function with everything I can think of with no luck.

Need help removing/improving wrinkles and soft creases in medium weight poster paper.

I experimented with a regular iron with the image face down on a smooth piece of matboard and release paper between the back of the print that I had wrinkled(for the test) and the iron. Very poor results. I tried misting the back and then ironing...very poor results.

What about wet mounting with vacuum? With heat?

Any and all suggestions appreciated as always!
 
I've never tried your iron method.
What I do is to use a damp (not wet) sponge on the back side. I then put it under weight overnight, using release paper as you do.
Usually the next morning things look a whole lot better, even if there still is a little creasing.
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A cold vacuum press with wet mounting can do amazing things with creases.

Be sure and countermount, though, or you'll have the most amazing warp.

I have been known to slightly dampen the back of a creased print and dry mount it in a combo press, but that is a reckless venture that could result in steam and bubbles and all sorts of chaos.

As Maryann mentioned, if the emulsion surface of a coated poster is cracked (and you can see the white lines) the poster is probably toast, though flat toast is still better than wrinkled toast.

(That's what you said, isn't it, Maryann?)
 
In addition to the above, if it's just a poster, sometimes applying Krylon Matte Finish will dull things enough so that the creases are less noticeable without changing the look of the piece. Of course you will want to take the usual precautions: get customer approval, determine that the piece isn't "irreplaceable", etc. There may be others that will warn you against this approach, so I will stress caution again etc..etc..etc.

Also, using nog-glare glass will reduce the visual impact of the creases somewhat.
 
If it's a poster and it has creased enough to show white lines you can touch them up. I use Berol Prismacolor pencils.
 
When I used a cold mount press I countermounted with the same brown kraft I used for my dust covers.

It was a messy proposition, but it did remove wrinkles.
 
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