OSB, also known as oriented strand board, is an engineered wood product formed by layering strands (flakes) of wood in specific orientations. OSB panels have no internal gaps or voids and are water-resistant, although they do require additional membranes to achieve impermeability to water and are not recommended for exterior use.

Features:

• Structural 1 rated
• Common uses for OSB are as sheathing in walls, floors and roofs
• The finished product has similar properties to plywood, but is uniform

WARNING: This product is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.