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Finishing a wet black walnut slab

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Forum topic by llamadave posted 10-22-2018 05:55 PM 762 views 0 times favorited 13 replies Add to Favorites Watch
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llamadave

6 posts in 3642 days


10-22-2018 05:55 PM

Topic tags/keywords: walnut wet green finish lamp

I am making lamp bases (see web site in signature) out of wet black walnut. The 9 inch log I started with was cut down 6 months ago but is still 22% moisture content. The slab is 4×9x8”. I want to offer for sale now, and I have heard that drying with heat in the oven will change the color in ways I don’t want. Can I just apply DEFT or tung oil on the wet wood (well, the surface is now dry)? I will leave unfinished bark on some, others I will finish all sides. Should I worry about rot or mold or peeling? I don’t care about, and in fact welcome, checking and warping.

David

-- David, West Lafayette, https://REDIpix.com, https://Photo-Lamps.com


13 replies so far

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msinc

567 posts in 1013 days


#1 posted 10-22-2018 06:32 PM

You cannot keep natural bark on wood. I have seen everything tried and have tried most of it myself because I just refused to believe it was so, but….........unfortunately it is. Charles Neil has some good videos about how to make it look good without the bark. I do it this way and while it is not the natural bark there is zero chance it will come off and or change later. Since you are not concerned with checking and warping the rest is a “do whatever you want”. Good luck.

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Aj2

2493 posts in 2308 days


#2 posted 10-22-2018 07:16 PM

It looks like a block of wood to me. With the pith it’s leaning toward a block of firewood

-- Aj

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llamadave

6 posts in 3642 days


#3 posted 10-22-2018 09:16 PM

It will look better when sanded and finished…

I have rough sawn walnut dried for 15 years in my barn. Some has bark on it and it is still stuck real well. I also have some 3” poles over 15 years old and the bark is still stuck on real tight. Also see this thread. So I am only worried that sealing the piece might change things.

-- David, West Lafayette, https://REDIpix.com, https://Photo-Lamps.com

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pottz

6359 posts in 1494 days


#4 posted 10-22-2018 10:06 PM

i dont agree about not being able to keep bark on,ive made 4 or 5 slab tables over the years with bark on and never had a problem.i only used a maloof oil finish with no problems.i prefer the look of the bark myself.not sure about finishing wood with that much moisture though.

-- sawdust the bigger the pile the bigger my smile-larry,so cal.

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Fresch

452 posts in 2430 days


#5 posted 10-22-2018 10:11 PM

Hmm, more of that” expensive BlackWalnut ”.

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llamadave

6 posts in 3642 days


#6 posted 11-07-2018 03:18 PM



It looks like a block of wood to me. With the pith it’s leaning toward a block of firewood


See finished lamp below. Sold already for $150. I need to sell 2 ricks of firewood to make that much, besides lamps are more fun. The photo on the shade is tops of my black walnut tree farm. Now I have a use for trees I thin out that are too small for sawing into lumber.

David

-- David, West Lafayette, https://REDIpix.com, https://Photo-Lamps.com

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Aj2

2493 posts in 2308 days


#7 posted 11-07-2018 04:05 PM

Good job David very cleaver, I would have never thought about making something like that. Just not my style.
Looks like you found yourself a niche
Keep up the creative thinking
Good luck

-- Aj

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Phil32

625 posts in 413 days


#8 posted 11-07-2018 04:39 PM



You cannot keep natural bark on wood. ..
- msinc

I also disagree with this statement. Here is a woodcarving in basswood that has lasted at least 20 years with no signs of coming off:

-- Phil Allin - There are mountain climbers and people who talk about climbing mountains. The climbers have "selfies" at the summit!

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OSU55

2406 posts in 2499 days


#9 posted 11-07-2018 10:06 PM

David, out of curiosity do you have UL approvel for your lamps?

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llamadave

6 posts in 3642 days


#10 posted 11-08-2018 03:01 PM



David, out of curiosity do you have UL approvel for your lamps?

- OSU55

No, but I use UL approved parts. UL certification is not required by law, but of course some potential customers may not buy if not approved. It is way too expensive to get UL listing for a one-of-a-kind lamp.

David

-- David, West Lafayette, https://REDIpix.com, https://Photo-Lamps.com

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firefighterontheside

20581 posts in 2366 days


#11 posted 11-08-2018 03:56 PM

I have dried walnut where the bark stays on fine. I would not worry about color change unless you are “kiln” drying from green. That’s when walnut loses some color. Yours should be dry enough to avoid that. I would probably just rub on some BLO and be done with it. It will still dry, if a bit slower.

-- Bill M. "People change, walnut doesn't" by Gene.

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OSU55

2406 posts in 2499 days


#12 posted 11-08-2018 05:17 PM


No, but I use UL approved parts. UL certification is not required by law, but of course some potential customers may not buy if not approved. It is way too expensive to get UL listing for a one-of-a-kind lamp.

David
- llamadave

Thanks exactly the info I was after

View JCamp's profile

JCamp

1004 posts in 1060 days


#13 posted 11-08-2018 08:28 PM

No advice but that’s a cool looking lamp. I hav to say tho that the shade is what does it for me but it does go well with the piece of log.
If you’d wanna offer a “delux” version u could make a bandsaw box in the wood

-- Whatsoever thy hand findeth to do, do it with all thy might

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