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Effect of edge-sealing on resistance of glueline treated Douglas-fir laminated veneer lumber to Formosan termite attack

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Abstract

The potential for formosan termite attack of glueline treated Douglas-fir laminated veneer lumber (LVL) was investigated along with the potential for limiting such attack through topical wax coatings. Termites rapidly attacked non-glueline treated LVL. Wax coatings reduced attack, but even wax with 10 ppm imidacloprid was not completely protective on non-glueline treated LVL. Glueline treated LVL was far more resistant to termite attack, but eventually experienced attack. Application of a wax coating with 10 ppm imidacloprid provided the best performance. The results illustrate the benefit of supplemental insecticide/wax coatings for protecting cuts in LVL.

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References

  • AWPA (2012) Standard E26. Standard field test for evaluation of wood preservatives intended for interior applications (UC1 and UC 2): termite ground proximity method. Book of Standards, AWPA, American Wood Protection Association, Birmingham, pp 514–520

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  • Standards Australia (2010) AS/NZS 1604.4:2010 b. Specification for preservative treatment. Part 4. Laminated veneer lumber. Standards Australia, Sydney

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Authors and Affiliations

  1. Department of Wood Science & Engineering, Oregon State University, Corvallis, OR, 97331, USA

    Jeffrey J. Morrell & Connie S. Love

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  1. Jeffrey J. Morrell
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  2. Connie S. Love
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Correspondence to Jeffrey J. Morrell.

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Morrell, J.J., Love, C.S. Effect of edge-sealing on resistance of glueline treated Douglas-fir laminated veneer lumber to Formosan termite attack. Eur. J. Wood Prod. 73, 551–552 (2015). https://doi.org/10.1007/s00107-015-0929-6

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  • DOI: https://doi.org/10.1007/s00107-015-0929-6

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