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Techniques for field assessment of particulate termite barriers
2000 - IRG/WP 00-10376
Field testing of particulate termite barriers poses problems different from those encountered when testing preservatives or soil termiticides. To ensure an adequate level of challenge, and minimise the risk of a Type II error, the experimental design must promote termite activity and provide a significant, readily detectable, food source which can only be reached by penetrating the test barrier. I...
D M Ewart, E R Rawlinson


Development of a GranitgardĀ® particulate termite barrier for use in tropical Australia
1997 - IRG/WP 97-10190
GranitgardĀ® is superficially simple technology; graded crushed aggregate, sieved to a size range impenetrable to subterranean termites. However, behind this apparent simplicity lies a large research effort. In this paper we describe the laboratory development of a grading of Granitgard suitable for use against the wide range of termites which attack timber in northern Australia, above the Tropic ...
D M Ewart, E R Rawlinson, A D Tolsma, G C Irvin, P R Wiggins