Structural I Rated Sheathing provides greater cross-panel strength and stiffness for use in particularly demanding portions of a build such as shear walls, and floor and roof diaphragms. When using Structural I Rated Sheathing, your build can stand up to whatever comes its way with increased structural reliability.
Typically manufactured in 4-foot by 8-foot or similar panels, Structural I OSB is made to be consistent and strong: free of knots, grain defects, core voids, splits and other irregularities. Structural I OSB panels are created with wood strands mixed with resins. These strands are arranged in layers for dimensional stability and bonded under heat and pressure. For additional moisture resistance, the panels are sealed on all four edges.
Structural I OSB sheathing offers many benefits and helps you build with confidence knowing that your structure will stand tall for years to come. Here’s why:
While ideal for many applications, as with any untreated sheathing, there are some limitations to Structural I Rated Sheathing. Here are a few ways this material should not be used, as well as preventative measures that should be taken to preserve the panels’ quality.
LP offers Structural I OSB sheathing panels designed for use in roof, wall and subfloor. Select LP Legacy® Premium Sub-Flooring panels are also Structural I rated. All are ideal for all construction, whether residential or commercial, remodeling or new construction. Structural I OSB panels comply with the following: