On location at the Vermont farmhouse in Quechee, Vt., the carpentry crew opted to sheath the exterior walls and roof deck with Georgia-Pacific's Blue Ribbon Oriented Strand Board. From around the house project to the exterior sheathing and roofing on a home, oriented strand board, commonly know as OSB, is often used as a plywood alternative. An engineered wood product, OSB is typically strong, stiff, stable and impact resistant, without knots, core voids, splits or checks. OSB consists of wood strands bonded with adhesives to form a mat. Like the veneer in plywood, these mats are layered and oriented for maximum strength, stiffness and stability. The individual strands are typically three to four inches long. OSB is widely used as construction sheathing, as the web material for wood I-joists, as the structural skins of structural insulated panels (SIPs), and in a growing number of other applications.
For more information on engineered wood products, visit our Innovative Technology section feature on Deconstructing Engineered Wood.
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