IRG Documents Database and Compendium


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The variability of preservative distribution in test blocks
1973 - IRG/WP 220
The techniques for the assessment of likely effectiveness of preservative systems have long been the subject of much discussion. The whole field has recently been reviewed by Hilditch and Hamblyn (1971) who described in detail many of the laboratory test procedures used, but who also indicated the deficiencies in many of these techniques. It has long been the view of many associated with the wood ...
F W Brooks, M R Gayles, R W Watson


Supplementary experiment to the main trial (IRG/WP/367, 384) to determine the performance of preservative treated hardwoods with particular reference to soft rot
1977 - IRG/WP 3101
The field experiment being carried out by the IRG (described in document IRG/WP/367) is designed to obtain information on the performance of a preservative in different hardwoods in ground contact. A total of 57 timber species is being examined and 36 different field sites are involved representing a complete range of climatic conditions. IRG document WP/384 describes the treatment details of the ...
F W Brooks, C R Coggins, D J Dickinson


Treatment details for the field experiment to determine the performance of preservative treated hardwoods with particlar reference to soft rot
1977 - IRG/WP 384
These notes are compiled to complement and supplement Document No: IRG/WP/367 which described the plan for the treatment of the stakes, using a CCA preservative, for the field experiment. This document gives extra details of the treatment characteristics of the different timber species and as such may give IRG members useful information on the sapwood permeability of a range of hardwoods. The repo...
F W Brooks, M R Gayles


Improving American Hardwoods Sustainability, Durability and Markets
2023 - IRG/WP 23-50378
The American hardwood industry, which dates back to the first European settlers, has a wealth of experience processing the native hardwoods of North America. The US hardwood resource is mainly located in the eastern United States, from Maine in the North to the Gulf of Mexico in the South and westwards to the Mississippi Valley. The USA has more temperate hardwood species than any other world regi...
D Brooks, M Snow