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Making a brick building out of foamcore and adhesive cork, gonna spackle it when it's all put together to give it some strength and a nice texture.
Like an idiot, I tried using PVA glue for the first time in ages, forgetting that unlike CA it causes warping on foamcore. I should have just used gel superglue to put the templates down. So, after I finish corking the wall but before I seal or spackle anything, I have to find a way to un-warp it. A lot of people online just suggest flipping it over and PVAing the reverse side, I might do that.