Anglų skaidrės. OSB Boards (Oriented Strand Boards) Special wood courses. Made by Grazvile Savckaite CAHS31-A. What it is? Osb( is an. How is it made? . Wood is, without doubt, the best building material available. Advantages of OSB. High mechanical strength –. What is it used for? According to European. · Wall sheeting – excellent strength and racking performance under all types of exterior cladding. How to use it ? Storage and handling . Density, mass and sheet size . Board density mass varies depending upon the product. Other possible sizes. 5000x1250. 3000x1250. 2800x1250. 2650x. Useful links.