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Warped cutting boards - What the?

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Blog entry by woodmaker posted 232 days ago 644 reads 0 times favorited 10 comments Add to Favorites Watch

I have a quandary yall; I took the cutting boards inside and now they are starting to curl. What the heck – over?
The boards have 4 coats of butcher block, I wasn’t expecting this. I’m letting them adapt to the inside some more and hoping that they un-curl, flipping them over daily (right). I might have to add weight on top of them?
This is depressing, they’re a hair over 3/4” thick so it’s totally unexpected.

-- Mike



10 comments so far

View stefang's profile

stefang

12537 posts in 1930 days


#1 posted 232 days ago

It must be a lot dryer in your house than in your workshop and/or the wood had a pretty high moisture content when you used it. Sorry for you bad luck.

-- Mike, an American living in Norway.

View pintodeluxe's profile

pintodeluxe

3260 posts in 1409 days


#2 posted 232 days ago

Maybe give quartersawn stock a try next time.

Best of luck.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View Dallas's profile

Dallas

2854 posts in 1083 days


#3 posted 232 days ago

End grain? Edge grain? Moisture content when cutting and assembling?
Most important: did you alternate grain during assembly?

Pictures would help.

Good Luck!

-- Improvise.... Adapt...... Overcome!

View woodmaker's profile

woodmaker

264 posts in 1287 days


#4 posted 232 days ago

Hmm, I did not alternate the grain, it’s on the long grain All lumber was kiln dried so I’m assuming it was not too moist. I’ll check that when I get home. I work out of my garage so temperatures and humidity fluctuates a lot.

-- Mike

View woodmaker's profile

woodmaker

264 posts in 1287 days


#5 posted 232 days ago

stefang yep, the house is a lot drier. I’m assuming myself that this is the culprit and I need to check the boards tonight to see if they have relaxed.

Any suggestions? Soak in hot water, lay on grass outside in the sun and see if it reverses. I can’t give these as Xmas presents if warped no matter how slight. I work as a Quality Control Superrvisor (Rocket factory) so I just can’t let this go.

-- Mike

View stefang's profile

stefang

12537 posts in 1930 days


#6 posted 232 days ago

If you soak them they will just warp again in the house. Sorry, I don’t have any ideas about how to remedy the problem.

-- Mike, an American living in Norway.

View woodmaker's profile

woodmaker

264 posts in 1287 days


#7 posted 232 days ago

How about I clamp them down again you know like I was using Veneer?

-- Mike

View Dallas's profile

Dallas

2854 posts in 1083 days


#8 posted 232 days ago

Grain must be alternated, lol.

I have the very first board (long grain), I ever made.

I am saving it for a project that requires a lid with an arched top, like a pirates chest, but not so extreme.

Try to fix by ‘spritzing’ with water on the outside curve.

lay on a hard surface with outside curve up and a good heavy weight on it.

Make sure it is in the sun.

Don’t soak the boards, you’ll be asking for trouble. Re spritz as needed.

Good Luck!

-- Improvise.... Adapt...... Overcome!

View jimmy meeker's profile

jimmy meeker

131 posts in 592 days


#9 posted 200 days ago

sounds like the change from. outside to inside and it looks like the boards were layed out. instead at a 90 thats part of the problem i think but i could be wrong. were always learning

-- jrm123

View woodmaker's profile

woodmaker

264 posts in 1287 days


#10 posted 200 days ago

I didn’t know about alternating grain part 1st I’ve heard that one, but live and learn. It was about 45 degrees in the garage and high humidity; in the house 70 degrees and I think the reading was 14% humidity plenty of difference.

-- Mike

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