If anyone has any real, practical, tried tips about keeping a flatback flat for reglueing, send them through. This one wants to curl up like a potato chip. I've tried lots of things, dampening and clamping flat, using heat and clamps etc, drying out under lamps etc, but as soon as I pull the clamps off it starts to curl again. And not in the direction I want it to. Quite frustrating!! I'm now considering sealing the inside surface to slow the moisture loss.
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