Reply by Sawmillnc

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Posted on Drying Lumber?

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150 posts in 3256 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.

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

-- Kyle Edwards,, Iron Station , NC (near Charlotte)

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