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    Author(s): W. Ramsay Smith; Andreas O. Rapp; Christian Welzbacher; Jerrold E. Winandy
    Date: 2003
    Source: Thirty-fourth annual meeting of the International Research Group on Wood Preservation : 2003 May 18-23, Brisbane, Queensland, Australia. Stockholm, Sweden : IRG Secretariat, 2003: [10] p.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (284 KB)

    Description

    New challenges to the durability of wood building materials have arisen in the U.S. The Formosan subterranean termite (Coptotermes formosanus Shiraki) now infests sizable portions of the U.S. south (Figure 1) and their range is extending. Heat treatments offer a unique opportunity for wood-based composites because many of the process techniques already employ various thermal applications and could be easily modified to design-in durability enhancements if specific benefits were understood. Information on resistance of oil-heat-treated wood against Formosan subterranean termites, however, was not currently available which provided impetus for this study. Samples of Scots pine sapwood (Pinus sylvestris L.) and Norway spruce sapwood (Picea abies L.) treated with hot rape seed oil were tested for their resistance to FST attack. Scots pine with a combination of hot oil treatment then vacuum pressure treated with hot oil was found to show promise in resistance to FST attack.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Smith, W. Ramsay; Rapp, Andreas O.; Welzbacher, Christian; Winandy, Jerrold E. 2003. Formosan subterranean termite resistance to heat treatment of Scots pine and Norway spruce. Thirty-fourth annual meeting of the International Research Group on Wood Preservation : 2003 May 18-23, Brisbane, Queensland, Australia. Stockholm, Sweden : IRG Secretariat, 2003: [10] p.

    Keywords

    Heat treatment, termites, pine, spruce, testing, Coptotermes formosanus

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