OSB is primarily a structural material; builders mainly use it for wall and roof sheathing and subfloors. It also has several utility uses ... slip-resistant surface, which makes it safer to install ...
Interior finishes: 25.4 percent, or about $75,350; Framing: 17.4 percent, or about $51,600; Major system rough-ins: 14.7 percent, or about $43,600; Framing (including roof) and trusses are another ...