LP® TopNotch® 450 premium OSB sub-flooring offers all the stiffness and moisture resistance you expect from a premium sub-flooring. It delivers extra strength plus added density for homeowners who desire highly durable sub-flooring. LP® TopNotch® 450 has a self-spacing tongue-and-groove design for easy installation. It has a smooth, strong surface, and its added density improves fastener performance.
- Strong, stiff, moisture-resistant sub-flooring with added density
- Easy self-spacing tongue-and-groove profile
- Moisture-resistant edge seal
- 200-day "no-sand" warranty
- Advance resins reduce edge swelling
- Exposure 1
- Exterior glue
- Span rated for 24" on center
- Sized for spacing
- 50 year transferable limited warranty
- Additional packaging and handling charges may be required
Dimensions: 3/4" x 4' x 8'
Ship Dim: 96.0 x 48.0 x 0.75
Shipping Weight: 71.0 lbs
Brand Name: LP OSB
Technical Specifications: view PDF file
Installation Instructions: view PDF file
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Please Note: Prices, promotions, styles and availability may vary by store and online. While we do our best to provide accurate item availability information, we cannot guarantee in-stock status and availability as item quantities are constantly changing throughout the day. Inventory last updated 12/8/2013 at 5:00am CT. Online orders and products purchased in-store qualify for rebate redemption. Rebates are provided in the form of a merchandise credit check which can only be used in a Menards store.