Termites

Discussion in 'Woodturning Discussion Forum' started by Emiliano Achaval, Sep 9, 2017.

  1. Leo Van Der Loo

    Leo Van Der Loo

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    Of course it is not the vacuum but the surrounding air pressure that does the work, at 1 Kilogram per CM square or 15 pounds per inch square, that adds up on a large tank like that.

    The rules for wood sanitation to use it for international shipping has the heating of the wood as the manner of use, it gives times for the sizes and the temperature to be achieved.
     
  2. Bill Boehme

    Bill Boehme Administrator Staff Member

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    The idea is to kill the larvae, but you're right that it won't pull them out, not even if the hole is open. While a vacuum would work to kill the larvae, it would take a lot longer than a few minutes judging by the time required to remove the air from small items like pen blanks.

    However, I think that is more effort than necessary to kill termites. The larvae can't survive by themselves nor do they burrow through the wood. Heat, carefully used, is probably the safest and most practical solution.
     
  3. Mike Johnson

    Mike Johnson

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    The termite won't come out of his hole but he definitely won't be eating any wood after that day.
    May the swarf be with you. :D
     
  4. Richard Hodsdon

    Richard Hodsdon

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    We have a museum near us here on the East Coast of South Africa (similar climate to Florida) that specialise in the grass woven baskets/items etc that the locals make. What they do to debug the baskets is put them in a deep freeze for 6 weeks/ 2 months. This they have found kills all the borers/bugs/termites etc that can be infesting the baskets. They do this to all new items before they go on display. They also do it every now and again to existing items to kill the fly in visitors.
    I have found this also works on the Longicorns larva (flat worms) in wood. Should work on your Hawaiian termites. Might just send the Canadian /N Dakota one back into hibernation
     
  5. Leo Van Der Loo

    Leo Van Der Loo

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    I guess we must have different worms than you have in South Africa, as the ones here survive much colder temperatures than the typical temperature of a freezer being -18C or 0 F, as temps here get wel down to the -40 C or F.

    A temp of about +60 C plus vacuum is what is recommended now for killing the pests, see US FED info,

    https://www.nrs.fs.fed.us/disturbance/invasive_species/firewood_treatment/
     
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