TopNotch 350 Subfloor Panel 22/32 in. x 4 ft. x 8 ft.

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Available in store only Québec (L’Ancienne-Lorette)
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51.24$ / EA
The price and availability of the inventory may vary in store.


High-quality tongue and groove subfloor panel. LP® TopNotch® sub-flooring features a line of performance OSB sub-flooring to fit any building project.

LP TopNotch sub-flooring 350 product panels are surface sanded. Moisture-resistant edge sealant is applied to all LP TopNotch products.

Incredible strength, stiffness and moisture resistance.
Easy Installation:
Self-spacing tongue and groove design speeds installation.
Designed for optimum moisture resistance.
RainChannel® Technology:
Unique RainChannel notch system to help drain rainwater away during construction.
Wood sourced through programs certified under the Sustainable Forestry Initiative®.


Manufacturer's transferable limited warranty : 50-Year with 200-Day No Sand.
Products backed by long-term warranties so you can build with confidence.
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