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Author Topic: Drying walnut slabs  (Read 855 times)

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Offline Wes06

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Drying walnut slabs
« on: May 12, 2018, 10:23:07 PM »
In another month ill be having someone cut up a large walnut log for me Its 4ft across.  I need a little advice on what I should do after he cuts it into 2.5" slabs.  I know sticker it an let it air dry for at least a year an seal the ends of it . but Is their anything to put on the slabs itself to keep from splitting an warping .Any advice would be great thanks

Offline YellowHammer

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Re: Drying walnut slabs
« Reply #1 on: May 13, 2018, 08:21:46 AM »
You've pretty much got it covered.  Just put the slab in a flat, shady place out of the rain, and put a lot of weight on it.  
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Offline Wes06

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Re: Drying walnut slabs
« Reply #2 on: May 13, 2018, 09:26:39 AM »
Ok that's what I will try.     After a year sitting can I have them kiln dryed the rest of the way? Which kiln would be best to use for them also?

Offline Larry

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Re: Drying walnut slabs
« Reply #3 on: May 13, 2018, 12:48:32 PM »
You won't find a kiln to dry it unless you have a full load or they are drying lumber of the same thickness.  Some will say they can put your thick slabs in with a load of thinner lumber but it doesn't work well.

Dependent on use, air dried will work well in many applications.  If you really want kiln dry put the slabs near a wood stove or in the closest when your wife has her back turned and leave for a year.

I had a couple hundred thick walnut crotch slabs for my use but down to the last 10.  A few were dried in my solar kiln but most were just air dried.  This is one I turned into an 18" platter last week.

Something for the walnut fiend in General Woodworking 
Larry

Nine out of ten trees recommend wood for your building project.

Online GeneWengert-WoodDoc

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Re: Drying walnut slabs
« Reply #4 on: May 13, 2018, 08:49:33 PM »
Keep the rain off.

Use a good end sealer like Anchorseal...two coats.  Also coat any large knots.

By September (in most locations), you will have the wood down about as low as it will get until Sprin 2019.  So, I suggest that you plan on kiln drying on October 1, 2018.  A solar kiln for this one load would run $1000 perhaps, as you do not need all the special features and fancy construction.  Build it on a trailer and then next summer you can sell it...empty it first!
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline Wes06

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Re: Drying walnut slabs
« Reply #5 on: May 13, 2018, 09:37:03 PM »
Thanks for the info.   I was just curious cuz its 48" at bottom an 63" at top at crotch . For how big it is I didn't know if their was something special to do .    My uncle has a woodmizer lt30 so ill talk him into building a solar kiln so I can use it

Offline YellowHammer

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Re: Drying walnut slabs
« Reply #6 on: May 13, 2018, 10:03:12 PM »
Crotch wood will try to move.  A few thousand pounds will help keep it flat, you can't put on too much, park a spare car on it if you have one. :D

A solar kiln is a great sawmill project.  I built one many years ago, and still use it.    
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Online GeneWengert-WoodDoc

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Re: Drying walnut slabs
« Reply #7 on: May 14, 2018, 11:04:52 PM »
A kiln of any type (solar, DH, hot water) is a business expense that can be depreciated, tax-wise.  So,you might need a building permit, but if you make money in your business, you can write off the expense...see your accountant for the procedure.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline Don P

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Re: Drying walnut slabs
« Reply #8 on: May 15, 2018, 01:28:04 PM »
Permitwise, it is a piece of equipment and it is ag ;)

Offline maderahardwoods

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Re: Drying walnut slabs
« Reply #9 on: May 15, 2018, 03:14:29 PM »
I would recommend cutting thick, minimum of 3-1/8" for something that wide.  It will move and shrink, something that wide you are going to want some meat left over once you flatten.  

Offline Wes06

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Re: Drying walnut slabs
« Reply #10 on: May 20, 2018, 10:47:02 PM »
Ill definitely weight it down with a lot of blocks.  An ill probably go thicker then 2.5 just to be safe I don't wanna mess these pieces up.   Does anyone know what they could be worth when dryed?

Offline PA_Walnut

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Re: Drying walnut slabs
« Reply #11 on: May 23, 2018, 06:30:37 AM »
Does anyone know what they could be worth when dryed?


Do you have some pix of the slabs? That will help in determining value. Pricing, it's ALL OVER the board, but plan on doubling your $ each step of the process you take it: from tree to log, from log to slab, from slab to kiln dried material, from dry slab to flattened/finished surface, from flattened/planed/sanded to table and so on...

Good luck. Be patient.
I own my own small piece of the world on an 8 acre plot on the side of a mountain with walnut, hickory, ash and spruce.
LT40HD Wide 35HP Diesel
Baker Portable Edger with Kubota Diesel
Kubota M62 Tractor/Backhoe
WoodMizer KD250 Kiln


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