Reply by AramM

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Posted on PurpleHeart dining table Help Please!

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11 posts in 44 days

#1 posted 04-12-2021 05:24 AM

UPDATE on the drama*

Did a lot of reading, and feeling deep regret for attempting to burn a perfectly flat tabletop that I paid so much money for…

Everything pointed to the heating and drying of one side caused the table to cup upwards. I first tried some mild ways to dry the other side in hopes I would see slow progress bending back. I plastic wrapped the top side flipped it and then left a large fan blowing on it for days…..Nothing.

I clamped it and forced it flat, and left it in the sun….Nothing.

I tried to use a light touch with the heat gun. (Not enough to change the color) to dry….and wait for it…. Nothing.

Feeling deep regret, shame, and out of options, come monday, I was gonna take it to a pro whos got a CNC, and have him flatten it, probably having to remove up 1/4” along each side.

Then I remembered what Madmark2 said here…

Heat both sides evenly.

- Madmark2

I figured ‘what the hell’ I should at least try to burn the bottom side purple the exact same amount I did the top. I so took the gun and burned the heavily cupped zone on the underside, turned it purple while it was clamped straight. Then and got a beer, and started rethinking my life.

30 minutes later, I went out to bring the table inside, and clamps just SLID off! I couldn’t believe it! It worked! With burning the underside, I am able to surgically pinpoint the exact spots that are warped and bend it back! The table is almost perfectly flat now! There was 1/2” of a dip in the middle before. Just thought I’d share.

Now I have to make a decision, to finish burning the top, (then likely re-burn the bottom.) OR Sand off the purple I have done and finish the damn table.

Am I right to assume the clamps played a huge role in this? I am now thinking if I burn the top while clamped flat, it will not warp. I think the heat gun loosens the wood and it can be forced to re-tighten in a shape by clamp pressure, and stay that way? Do you guys know this to be true?

Here’s a guy filming this in action really quick. This is what I did….

All of you critiquing the purpleheart choice…are right. After doing this process. It seems like chasing these exotic bright colors is an amateurs game. But I am where I am.

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