Free high resolution close up photo of a piece of particle or strand board. This board is actually oriented strand board, also known as OSB or by the brand name Aspenite. It is made by pressing together small shards (or strands) of wood in cross-directional layers to form a strong finished product. It is often called particle board, but differs from true particle board or chip board which is made from much smaller chips of wood or even sawdust. Great background image for a web page or blog, desktop wallpaper or texture for Photoshop. Free picture for any use.