Streaks in maple cutting board - Woodworking Talk - Woodworkers Forum
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post #1 of 11 Old 11-07-2019, 03:57 PM Thread Starter
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Streaks in maple cutting board

I am making a maple and sapele cutting board, and when I applied the finish (Walrus Oil) this streak appeared perpendicular to the grain. Sanded 80-120-220 then light mist of water and sanded 220 again before finishing. Seems odd it would be an inconsistency in the sanding since its in such a straight line like that. I would really like to not have to re-sand and re-finish the whole thing!

Any thoughts on what this could be would be helpful, thanks!
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post #2 of 11 Old 11-07-2019, 04:33 PM
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I am thinking that if you carefully run your finger over that mark you will find a difference height. I think it is a mark left by one of your machining operations.


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post #3 of 11 Old 11-07-2019, 05:29 PM
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Welcome to the forum, Tucker! Add your location to your profile so it shows in the side panel.

I would agree with George - looks like a machining mark. Nice looking board, though. Show us the entire piece, please. If you can't get it out just call it character.

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post #4 of 11 Old 11-07-2019, 06:30 PM Thread Starter
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Thanks everyone!

I was not able to feel any difference running my hand/finger over it that I could tell, even with closing my eyes and feeling I couldn't really tell a difference. Machine mark makes the most sense I guess but with as much sanding as I normally do (probably over-sand) I feel like having this big of a mark afterwards would be unlikely... but not impossible I guess.

I've attached pictures of the whole board, one before finish and one after, where you can see the mark.

If its just a planer/sander mark any special ways/thoughts to go about fixing? Or just start sanding again?
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post #5 of 11 Old 11-07-2019, 06:42 PM
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Very nice looking board! I like the look of that. It still looks like some sort of machining mark or scratch/dent. It's not surprising that you can't feel it, btw. I know you have oil on it and sanding may be difficult. I wonder if you can steam it and see if it changes. Have you done that before?

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post #6 of 11 Old 11-07-2019, 06:51 PM Thread Starter
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Thanks! Yeah I thought it turned out great too and then once I applied the oil this big ol' mark shows up! And right in the middle too! haha

I have never done the steaming method before but was just thinking about it yesterday because of a small ding I got on another project. Will that work with the oil already on there or should I sand it down a bit first?
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post #7 of 11 Old 11-07-2019, 07:18 PM
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On the first image the mark looks 90 degrees to the boards. The second picture looks more like at an angle. If it really is at an angle I am less likely to think it is a machine mark. Maybe a mark from some other outside instrument.



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post #8 of 11 Old 11-07-2019, 07:53 PM
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My first thought was a glue run. Second picture Iím still thinking along those lines. Glue or some other liquid that ran down the piece.
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post #9 of 11 Old 11-07-2019, 11:58 PM
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Quote:
Originally Posted by Tucker55 View Post
I have never done the steaming method before but was just thinking about it yesterday because of a small ding I got on another project. Will that work with the oil already on there or should I sand it down a bit first?
I don't know how the oil will affect steaming. The thing is that if you try to steam it and it isn't a dent after all then you're not going to hurt anything. My best guess is that it will work better if there's no oil present.

Here's a video I did a few years ago showing how I steam dents out -


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post #10 of 11 Old 11-08-2019, 02:14 AM
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My first inclination is the same as Kerrys, a glue run. A machine mark would have come out with your sanding. Sticker stains are usually deep but darker. It looks very much like glue ran and seeped into the grain and is blocking even oil penetration. I could be wrong, but that's what it looks like to me.
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post #11 of 11 Old 11-08-2019, 01:17 PM Thread Starter
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Thanks everyone, I think I will try to steam it out first in case it is a machine mark, and then if that does not work, get out the sandpaper!

I'll be working on these this weekend and will provide an update. I am giving this away as part of a raffle/fundraiser at a nearby school so of course want it to be as perfect as possible.

Thanks again!

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