LP® TopNotch® Sub-Flooring features a line of performance OSB sub-flooring available in two options to fit any building project.
Incredible strength, stiffness and moisture resistance.
Self-spacing tongue and groove design speeds installation.
Designed for optimum moisture resistance.
Wood sourced through programs certified under the Sustainable Forestry Initiative®.
Unique RainChannel notch system to help drain rainwater away during construction.
*Performance category replaces the fractional nominal thickness used in PS2. The Performance Category is consistent with the panel thickness used in the U.S. model building codes.
Learn more about LP TopNotch Sub-Flooring.
LP® TopNotch® Sub-Flooring features a line of performance OSB sub-flooring available in two options to fit any building project.
LP® TopNotch® Sub-Flooring is manufactured by the leader in strand technology for a flat, strong and sturdy floor.
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