Digital BW, The Print

We’ve always used pressure sensitive adhesive coated boards like those from Coda and never had a problem. Their Gatorfoam comes prepared with adhesive on one side and laminate on the back to prevent warping and it comes in 3/16 and 1/2 inch thicknesses as well 3/4 and 1 1/5 inch thick boards with finished edges. We also made our own boards using similar adhesive materials. I’ve got mounted 60 inch wide canvas prints from 25 years ago which were done this way and they show no sign of warping or other problems. 


From: mailto:DigitalBlackandWhiteThePrint@yahoogroups.com 
Sent: Monday, September 05, 2016 1:48 PM
To: DigitalB&WPrint 
Subject: Re: [Digital BW] Canvas & solvent-based adhesives




Likewise, paper company reps have told me that our inkjet papers are sometimes coated on both sides, not for printing but because the manufacturer found too much paper curl when only one side was coated.

Back to my large canvas mounting issue, in trying to find a light weight solution for a large display that needs to be easy to hang on a wall, a lightweight composite structure, coated on both sides, has appeal to me.  FWIW, see https://en.wikipedia.org/wiki/Sandwich-structured_composite .   

Paul
www.PaulRoark.com 

On Mon, Sep 5, 2016 at 9:07 AM, Jacques Caron jacques.caron@... [DigitalBlackandWhiteThePrint] <DigitalBlackandWhiteThePrint@yahoogroups.com> wrote:

    
  Hi both of you


  Being a photographer (an a woodworker too) this "tacking" question relates a lot whit what we call "surface tension". Any substrate used will warp if only one side is coated; using a 3' x 6' (and 1 1/4" thick) wood panel, if only one side is glued, let's say with Arborite, you will see the warping. It can takes a week or a year depending on the conditions but… it will warp.

  If you want to test some substrate. I would consider gluing a scrap piece of the same material on the back of the mounting board to alleviate the effect. That's why you see furniture (made with Arborite for example) having a "backside" glued with a similar material to stop the warping.

  Good luck

  Jacques Caron
  Photographe
  jacques.caron@videotron.qc.ca




  Le 2016-09-05 à 10:55, "Paul Roark roark.paul@... [DigitalBlackandWhiteThePrint]" <DigitalBlackandWhiteThePrint@yahoogroups.com> a écrit :