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Thread: Kiln Drying Cypress Planks for Near-Term Use

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  1. #15
    Quote Originally Posted by Scott T Smith View Post
    Nathan, the increase in drying time is actually between 2.5x to 3x when comparing 8/4 to 4/4 drying rates.

    You are correct, I just threw that in my last comment as an after thought without doing any research to confirm first (I'm doing all this sitting in my office at work lol).
    You can clearly see it in the data for air drying, but there seems to be a lack of data on drying lengths, especially for vac kilns - or at least I've found very little so far.

    I agree that two weeks is probably not possible no matter what route is taken, I also agree the best bet is to find a kiln operator that regularly deals in cypress.

    There is a kiln schedule out there that is recommended for 8/4 cypress, T11-D2, if anyone was so inclined to attempt it. (table 257 on pg 99 https://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr57.pdf - looks like if your target mc is only 15-16% you just hold 150 deg. until you hit it! Of course this table doesn't give any time frame. For me holding 150 for more than 24 hrs is too scary I would not attempt it without a few more years exp. The other woodweb one says hold 90 deg. that I could handle but it would take months for sure.)
    Last edited by Nathan Jordan; 12-15-2020 at 9:40 AM.

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