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Question about kiln drying time and cost

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Forum topic by SuperCubber posted 04-11-2015 11:58 PM 701 views 0 times favorited 5 replies Add to Favorites Watch
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SuperCubber

870 posts in 1749 days


04-11-2015 11:58 PM

Hey folks,

A friend of mine just had a black walnut tree cut down. It isn’t too big, but he was wanting to get it sliced into boards. We believe we have access to a saw mill, but we were curious as to how much it would cost to get around 75 board feet cut and kiln dried. Also, can anyone with a solar kiln comment on how long it would take to dry 4/4 boards? 8/4?

Thanks!

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine


5 replies so far

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Tim

3118 posts in 1426 days


#1 posted 04-12-2015 12:22 AM

The only place near me that I’ve called to get a quote from charges $.50/bf to mill and $.50/bf to kiln dry. That’s a fair bit higher for the milling than most of the prices people talk about here on LJ, but I haven’t seen many mentions of a specific price for kiln drying. It’s still a lot cheaper than you can get walnut for anywhere else.

Can’t help you on the solar kiln part except that for 75 BF it would cost more in materials to make the solar kiln than to pay for the kiln drying. You’d have to plan on using it more in the future to break even. Also air dried walnut has some different characteristics that you might like. You might not be able to get a place to steam it for you anyway.

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WDHLT15

1572 posts in 1941 days


#2 posted 04-12-2015 12:35 AM

Green walnut in a solar kiln would take about 3 to 4 weeks to dry below 10%.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT40HD35 Sawmill. Nyle L53 Dehumidification Kiln. hamsleyhardwood.com

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SuperCubber

870 posts in 1749 days


#3 posted 04-12-2015 12:42 AM

Thanks for the info, guys. At the present time, I’m not interested in building a solar kiln, but I think one of the guys my friend knows that has a bandsaw mill also has a solar kiln.

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine

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daddywoofdawg

1010 posts in 1040 days


#4 posted 04-12-2015 03:29 AM

I’d mill it 5/4 after you plane it get any warp,cupping or roughness you stand a chance of a 4/4 yield then

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WDHLT15

1572 posts in 1941 days


#5 posted 04-12-2015 11:38 AM

I would have him saw it 1 1/8” rough.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT40HD35 Sawmill. Nyle L53 Dehumidification Kiln. hamsleyhardwood.com

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