The SMARTPLY OSB3 comprises of cross oriented layers of flakes of selected softwood timber bonded with synthetic resins and waxes. SMARTPLY OSB3 is manufactured in accordance with the requirements of I.S. EN 300:2006 Oriented Strand Panels (OSB) – Definitions, classification and specifications. Smartply SMARTPLY OSB3 is a strong, versatile board suitable for structural use in humid conditions (serviceClass 1 and 2). Uses include flooring, roofing, walling, timber-frame sheathing, temporary works and external hoarding. The average density of the SMARTPLY OSB3 panel is 600 kg/m³.