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Reply by Karson

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Posted on Wet vs. Dry? Knowing when to start working the wood - Using 2-Pin Moisture Meters (1-12-2007)

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Karson

34853 posts in 2998 days


#1 posted 2749 days ago

Mark: Do you know what is the stable moisture content of Kansas. In New Jersey where I lived it was about 15%. A board out of the weather would stabalize at around that number. The wood that I stored in my barn was 15% on the first floor but in the attic where there was a metal roof and I used to store hay, the wood would get to 7%. It would get about 130 deg in there in the summer.

I’ve not had any work self destruct because of the 15% figure. I tend to make everything with styles and rails and raised panels which minimizes wood movement.

I take it back. I did some cross glueing (which is a no-no) for a small storage box and it did self destruct. But it was probably a matter of bad construction techniques as anything else.

I just tested some of the wood in my workshop and its running about 11%. This would be on wood that I brought from New Jersey that was a combo of 7% and 15% wood. They are all mixed together now. Some cherry that I got from a barn at the sawmill that is all air-dried and under cover tested out at 11 – 13%. I was going to test the wood that is in my house, but failed to bring in the moisture meter. I own two of them a Lignomat pin meter and a Wagner pinless meter. I’ve not seen the Wagner since the move that was why I bought the Lignomat. So when I find it I can compare the two meters to see how they compare. The lignomat has a slide hammer that allows you to drive pins about 1” into the wood to get internal readings. I’ve not tried that yet.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †


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