Wood drying Kiln

[jdez]

I built a wood drying kiln 4’ x 4’ x 16”. Using a dehumidifier, a box fan, a 250 w heat lamp, with 219 Board feet of green white oak. Cut about 2” thick. Started at 45-50 MC and 72 F got up to 93.5 F and 93.5% RH by end of the third day. Dehumidifier is set to 55% which I was planning on lowering down to 40% as the moisture content lowered. By the morning of day 4 the RH reads 82.5 an hour later 71.4. What’s going on here?

 

[buzz sawyer]

Just be clear - are you drying the oak or did you build the kiln with the oak? If the former, what did you used to build the kiln?

 

[jdez]

Just be clear - are you drying the oak or did you build the kiln with the oak? If the former, what did you used to build the kiln?

I built the kiln with 2x4 from Home Depot. I am drying the white oak for my dining table. There are three boards of American walnut too

 

[jdez]

I built the kiln with 2x4 from Home Depot. I am drying the white oak for my dining table. There are three boards of American walnut too

1inch foam insulation, wrapped in plastic