Gluing painting on plywood to a board?
Hi everyone, I just bought a couple paintings, both of which were done on plywood. One is 1/8″ thick and the other is 1/4″ thick. The problem is, I’m afraid over time they will warp. So I was wondering if it’s a good idea to glue them to a sturdy inch thick board of the same size. I obviously can’t attach them any way that would damage the artwork on the front.
I have wood boards cut out for them already but when I press one painting up against it, I notice it’s already very slightly warped (I have to push the corner to make it meet the board). So I was also wondering if it’s safe to glue down plywood that’s already slightly warped or if it would come off.
Thanks for any help and advice. I am not a handyman whatsoever and don’t really know what I’m doing.
Replies
You can glue it to thicker plywood. But thick plywood can warp too. Use something very high quality, with a high number of plies, to keep that from happening.
The reason it is warping is that the two sides absorbs/releases moisture at a different rate. Painting the back side would help and I would frame it. Can you afford loosing 1/4 inch all around so it can be framed?
I agree with Gulfstar in that it would be better not to permanently glue your paintings to something else. If you can afford to lose 1/4" of the edges, as he said, fastening them into a frame would be good. Another way would be to mount them to some 3/4" plywood with some decorative clips that would just barely reach around the edges in multiple places. Again, as Gulfstar said, sealing the back would help stabilize the paintings as well.
By your description, it doesn't seem like the small amount of flex required to make it go flat should be of any concern. Either mechanical method of mounting above should be fine.
I like your idea. I think I'll try to find some corner protectors, nail them in on the corner edges of the board, then just slide the plywood into place in them. I think getting a custom frame for different thickness and size plywoods would be hard.
If you can't do it yourself, any framing shop should be able to do it for you.
My vote is for framing on top of plywood but not glued. If you do go the glue-on route, buy exterior grade baltic birch or marine grade plywood.
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