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Reply by Sawmillnc

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Posted on Drying Lumber?

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Sawmillnc

150 posts in 2864 days


#1 posted 11-15-2010 03:48 AM

Air drying wood.

The one inch per year rule is flat wrong. I have been kiln drying wood for 9 years. In ambient temperatures (>70 average in day) 4/4 Red Oak can dry to 14-15% MC in 60-90 days. 8/4 can take longer.

White Oak is a bear to dry and should be stickered properly, OUT OF DIRECT SUNLIGHT (shed) and with good air flow to have a good chance of properly drying.

Here is the Forestry service handbook for air drying lumber..

An example given it can take 70-200 days depending upon the time of year it is stacked. for Northern Red Oak.

http://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr121.pdf

Dr Wengert is a contributor to this paper as well as an authority at Woodweb.

-- Kyle Edwards, http://www.sawmillnc.com, Iron Station , NC (near Charlotte)


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