LP is the world’s #1 OSB producer and the leader in strand technology across a variety of engineered wood products. The best-selling commodity sub-flooring, LP® TopNotch® 250 OSB Sub-Flooring is designed for optimum stability in both directions. Used by top builders, LP TopNotch 250 is backed by a 25-year transferable limited warranty. LP TopNotch 250 is the leading commodity T&G Sub-Flooring.
Performance: excellent strength and stiffness for commodity sub-flooring
Easy installation: self-spacing tongue and groove design speeds installation
Innovation: designed for optimum performance in a commodity product
RainChannel technology: unique RainChannel notch system to help drain rainwater away during construction
25-Year transferable limited warranty: products backed by long-term warranties so you can build with confidence
Edge sealant minimizes water absorption
SFI certified