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Heat Cycle for Slabs - Only Option?

Discussion in 'Milling & Saw Mills' started by Johnnybar, Apr 7, 2017.

  1. Johnnybar

    Johnnybar ArboristSite Guru

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    Are most of you fellas using a heat cycle on the lumber and slabs before the projects begin or are there other options these days? I saw one guy use a salt/boric acid mixture rolled on the wet slabs but, I'm not sure if that replaces the heat cycle.
     
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  2. ChoppyChoppy

    ChoppyChoppy Addicted to ArboristSite

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    We mostly just air dry lumber. The kiln is very expensive to run.
     
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  3. JohnWayne

    JohnWayne ArboristSite Member

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    I spray all pieces with a product called "Timbor" and air dry.


    Sent from my iPhone using Tapatalk
     
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  4. Johnnybar

    Johnnybar ArboristSite Guru

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    I've heard of that product before. I believe it is a boron containing product similar to borax but a little different chemical makeup.
     
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  5. Philip Addison

    Philip Addison New Member

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    We also mostly just air dry lumber.
     
  6. Bmac

    Bmac ArboristSite Member

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    Use boracare spray, a borate containing liquid, wood needs to be kept out of the elements or the boracare washes away.

    Boracare and Timbor are not great at killing existing bugs/larvae but will prevent new ones from infesting. Boracare absorbs a little more deeply in the wood than timbor but it is more expensive. I spray right after I mill, hoping to form a protective coating. So you are right, the spray does not take the place of a heat cycle. The heat cycle is 100% effective, but you can get your wood reinfested after the heat cycle.

    I find not all species of wood is that vulnerable to borers. The heartwood of cherry and walnut doesn't seem to be a problem, while oak maple and hickory is very vulnerable. Also most borers live in the bark/sapwood area and need higher moisture contents to thrive.
     
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