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Ok, an issue has come up. My roommate and I have been building ourselves an 8'x4' modular gaming table. Somehow all of our table tiles have warped. Badly. Four corner bubble warping. The tiles are 2'x2' 3/4" MDF board with 2" pink insulation glued to the top. Is there any way to straighten these out? I've tried placing heavy things (two sandbags) on them separately and stacked and leaving it for some days, but nothing. And that damaged the foam a bit.. Luckily the tiles aren't finished, just pink and bare. Any ideas? Thank you!

Coat the opposite side of the boards with the same glue you used for the foam. The glue probably isn't wood glue so contains water, which makes MDF warp. Coating the other side should warp it back the other way.


In theory. Lol

The glue used is 'No More Nails.' And the stuff was glued together over a year ago (we are very slow at building) and for the longest time it seemed fine. Only warped recently, at least we noticed it recently.