As part of a larger study on the manufacture of oriented strandboard (OSB) using hot-water-extracted flakes, the mold susceptibility of extracted-flake and un-extracted-flake OSB was assessed using the standard ‘mold box’ test. OSB made with extracted flakes was much less susceptible to mold. This suggests that the extraction of hemicelluloses and other carbohydrates from wood for the production of biofuel could be combined with the production of OSB with enhanced durability properties.

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