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Glue up went bad-compressed wood

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Forum topic by kennyc posted 966 days ago 1311 views 0 times favorited 14 replies Add to Favorites Watch
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kennyc

6 posts in 966 days


966 days ago

I recently did a glue up for a cutting board. I did not use cauls, which I usually do. The problem is that I used too much pressure on the clamps and the wood is compressed (basically dented) and the lines are wavy. I tried hot water and to some extent it helped, but it’s still off.

Any suggestions before I throw it into the fireplace?

Thanks

Ken


14 replies so far

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404 - Not Found

2544 posts in 1573 days


#1 posted 966 days ago

Wet a rag, place it over the dents and press a hot iron down on it. Should pop back out.
Hang on, that’s only for the surface, I think you’re screwed.

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ScottN

259 posts in 1283 days


#2 posted 965 days ago

I’ve used the hot iron trick and it works great. Hope it works for you.

-- New Auburn,WI

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MrsN

939 posts in 2130 days


#3 posted 965 days ago

do you have any pictures of what happened?

-- ----- www.KNWoodworking.com ----- --

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childress

841 posts in 2146 days


#4 posted 965 days ago

Square it up on the table saw. Dents gone… I bet once it’s finished no one will ever notice the “wavy lines” except you ;-)

-- Childress Woodworks

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EandS

73 posts in 1066 days


#5 posted 965 days ago

I cant say I have ever seen this problem. I would love to see a photo and look forward to hearing if you find a fix. Just remember dont push it to far…that never ends well…

-- ~ eandscarpentryandwoodworking.com ~

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kennyc

6 posts in 966 days


#6 posted 964 days ago

Thanks for the replies.
I tried the iron trick and it helped a bit. I usually do use sticks to apply the pressure evenly, however I rushed the glue up and learned yet another lesson ( after all my mistakes, I should be pretty smart by now. Hahaha)

The lines are not straight because I applied too much pressure. Here is a shot of the wavy line l
As you can see, I trimmed a bit off to show the compression. I will make my final cuts and see what I wind up with. It doesn’t look like I will get it perfect.

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Grandpa

3055 posts in 1279 days


#7 posted 964 days ago

I can’t tell from the photo. Do the wavy lines cross the board or so they stop after the 2nd or 3rd course of blocks? If the stop why not cut the glue line and glue on some more blocks? You could salvage some of it and move on. cut it and clean up both sides and re-glue the same piece back on after you straighten the glue line. Would you ever really notice that it is 3/16 smaller in this area????

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gfadvm

10603 posts in 1294 days


#8 posted 964 days ago

I kinda like the wavy lines (a nice ‘design feature) and would leave it. But then I like wierd stuff. People will wonder how you did this. Tell em its a trade secret and costs extra.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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Lee Barker

2163 posts in 1454 days


#9 posted 964 days ago

If you clamped enough to distort the wood in that way, I’m wondering if you simultaneously created a glue starved joint. If the board for yourself, you’ve got a laboratory project in progress. If it’s for somebody else, it might be time to start over and consider the extra time just tuition for learning something new about clamping.

Kindly,

Lee

-- "...in his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

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rance

4125 posts in 1764 days


#10 posted 963 days ago

Cut a shallow kerf down that line and inlay a 1/8” x 1/8” stick of contrasting wood. Do em all if you have to make it look uniform.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

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RRGR

54 posts in 1938 days


#11 posted 963 days ago

When aunt Edna is cutting the Zucchini she wont notice the wavy lines. Can you say merry Christmas?

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MrRon

2726 posts in 1847 days


#12 posted 962 days ago

Why does everything have to be symetrical? A few wavy lines adds character and says “I made it”; not from a high tech factory. A small blemish here or there can serve as a personal signature. Everything I make has my personal signature on it somewhere.

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Howie

2656 posts in 1527 days


#13 posted 962 days ago

I’m with Lee. Too much pressure can be just as bad as not enough.
Tell people those are there for “character”.

-- Life is good.

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kennyc

6 posts in 966 days


#14 posted 959 days ago

Thanks for all the input and help!
I finished the board and learned a valuable lesson in not rushing a glue up.
The board is not square and I am definitely concerned about the glue starved joints. I will be keeping this one for myself.
I did the best I could and put some mineral oil on it.

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