Ripping wood without the afterbow

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Forum topic by hlpaint posted 06-16-2011 03:56 AM 1449 views 0 times favorited 4 replies Add to Favorites Watch
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26 posts in 3395 days

06-16-2011 03:56 AM

Topic tags/keywords: question

I had some white oak that was 1 and 1/8 thick, I wanted to rip this piece down to 1/2” to get a book matched piece. I have a bandsaw so I figured this would be the fasted and safest way to go. The ripping wasn’t the problem it was the aftermath that has me not knowing what to do. The oak both sides bowed to the point of not being able to use either one. Is there a way to straighten them short of planning down to 1/8” Thanks for your help

-- The guy who makes no mistakes hasn't done anything

4 replies so far

View Loren's profile


10476 posts in 3676 days

#1 posted 06-16-2011 04:14 AM

Give it some time. You can sticker the wood flat, but mostly
the pieces will take some time to relax and the bowing may
go away as moisture equalizes on both faces of the boards.

In the future, only resaw quartersawn oak and you’ll get more
stability in the resawn pieces. Flatsawn will usually move on

Since it is oak you can of course steam-bend it to a shape you
want but you need to be set up to do it and, again, you get
the best results from more carefully chosen sawn boards. Riven
boards are the best of all for bending.

View buckles's profile


24 posts in 2570 days

#2 posted 06-23-2011 02:08 AM

What you do one side of a piece of wood you must do the other side also or you will get warping, twisting and bending. If you cut one side, cut some off the opposite side. You may still get bending but it will not be as severe
Your boards can be straightened but it takes steam (lots of steam), pressure and time.
Boards 1/4” or less in thickness can be bent very easily by using dry heat. Try Google and YouTube for info.

-- Politicians are like diapers. They need to be changed for the same reasons.

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Jim Finn

2658 posts in 2950 days

#3 posted 06-23-2011 08:09 PM

I have had the same problem resawing oak. I avoided it the next time by leaving the wood aclimate to the shop for about a week before resawing it.

-- Website is No PHD just a DD214 and a GED

View GregD's profile


788 posts in 3164 days

#4 posted 06-23-2011 09:50 PM

OK, I’ll admit it. I’m a hack.

I would try clamping the wood up so it has a bend opposite of the way it is warped and letting it sit for days or weeks. If the warp is a gentle bend along the length it might not be too hard to get most of that out. But I would not expect the wood to remain particularly stable afterwards, so I would want to get it completely worked soon after removing it from the clamps. And I’d only try this if the final piece was going to be held flat by other components of the project.

-- Greg D.

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