I have a walnut blanket chest dating from the 1860’s. The bottom is a single piece of walnut measuring 16x31x7/8, attached with hand-forged square nails. Over the years, the bottom has cupped severely. I have removed it to prevent any further damage, making sure to save all the original nails.
What is the best way to fix the bottom so the chest can be used, without destroying the antique value? Is there some way to soak the board and weight it while it dries to reverse the cupping? I hope I don’t have to cut the bottom into narrower pieces. It seems like a shame to cut into such a wide piece of walnut.
Thanks in advance for any help you can offer.
David
Replies
Good Morning Atavus !! I am almost in the same boat as you, the only is, I am dealing with mahogany, and it is new. In my case it is for a table top. I did cut my mahogany into strips. Once it was installed on the table, it cuped even more. I was told ( on another forum to get a wet towel and lay it over the stock and install a 45 lb weight over and leave it for a week. Now I have not gone back to look at it, but I will do that to night.
All the best.
Jack
Assuming you are sure you aren't ruining an extremely valuable antique, put a damp towel on the concave side. Iron the towel until the board straightens out. Reattach it immediately. It will probably cup again, but maybe not as severely. Who knows what it's been exposed to over the years.
Edited 1/22/2009 11:03 am ET by TaunTonMacoute
I'm pretty sure it's not an extremely valuable antique, so I'll try your suggestion. It should help a lot that the board is unfinished.
Give it a go.You're just steaming it flat. It's possible to over do it and have it cup the other way, into the heart side instead of away from it. Just watch what's going on. If you overdo it, just let it sit (where air can reach both sides). It'll straighten back out.
Edited 1/22/2009 1:31 pm ET by TaunTonMacoute
Atavus,
As an alternative to using a damp towel to force moisture into the concave side, you might try to place a fan so it blows across the convex side to pull moisture out.
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