Oriented Strand Board

Oriented strand board, also known as OSB (UK & U.S.), Sterling board (UK & Ireland), and by the proprietary eponym Aspenite (U.S. & Canada), is an engineered wood product formed by layering strands (flakes) of wood in specific orientations. In appearance, it may have a rough and variegated surface with the individual strips of around 2.5 x 15 cm / 1 x 6 inch, lying unevenly across each other.

Read more about Oriented Strand Board:  Uses, Manufacturing, Production, Properties, Environmental Impact

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