LP® Structural Solutions
LP Legacy® Premium Subflooring
LP Legacy® Premium Sub-Flooring is a premium, strand-based composite wood panel designed for demanding sub-floor applications. The product is proven tough and APA-verified for exceptional stiffness and strength. LP Legacy Premium Subflooring represents more than 50 years of innovation from Louisiana-Pacific, a company known and trusted for manufacturing excellence.
Resources & Technical Documents
LP Legacy® Premium Subfloor: How to Install Subfloor
Learn how to install subfloor as builders Kyle Stumpenhorst and Jordan Smith take you through the LP Legacy® Premium Subflooring installation process.
Defend Against Squeaks
LP Legacy® Premium Subflooring helps defend against squeaks when used with LP® Structural Solutions Premium Subfloor Adhesive.
Elevate SubFloor Durability
Benefits of LP Legacy® Premium Subflooring
LP Legacy® Premium Subflooring is a super durable, premium, strand-based composite wood panel designed for demanding subfloor applications.
One of the Stiffest in Class
APA-verified as one of the industry’s strongest, stiffest sub-floors alongside exceptional fastener holding.
Superior Moisture Resistance
Subfloor sheathing panels are packed with more strands, resin and wax to provide exceptional resistance to moisture and edge swell.
Gorilla Tough® Panels
Wood strands are coated with water-resistant resins using Gorilla Glue Technology® for exceptional stiffness.
Industry-Leading Warranty
LP offers a unique Covered Until It’s Covered® No-Sand Warranty PLUS a Lifetime Limited Warranty that lasts as long as the home.
Warranty Information
LP Legacy® Limited Warranty
Our products are backed by industry-leading warranties.
LP® Structural Solutions Premium Subfloor Adhesive
Designed to create a tight seal in small gaps and to help prevent squeaks.
Professional Grade Foam Adhesive Gun
Helps make adhesive application easy with adjustable bead width.
LP® Structural Solutions Polyurethane Foam Cleaner
Designed to clean the LP® Structural Solutions Premium Subfloor Adhesive Applicator.
Restoring the Past, Building for the Future: LP® SmartSide® Trim & Siding Shines on Betting on Beloit
How to Protect Your Sub-Floor From Moisture: How RainChannel® Technology Works
How to Choose LP® SmartSide® Siding For a Shed
How to Choose Trim & Siding Widths
How to Coordinate Exterior House Colors and Features
Resources for Professionals
Related Products
Some things just work. Others work as one.
From siding to sheathing, our products aren't just designed to be strong on their own, but to be stronger, together.
Shed Roofing
LP® ProStruct® Roof Sheathing With SilverTech® Overlay For Sheds
Engineered to Impress
LP® ProStruct® Flooring With SmartFinish® Overlay For Sheds
Impressive Strength
LP® Structural Solutions
Elevate structural stability
LP® TopNotch® 350 Sub-Flooring
Elevate fire resistance
LP® FlameBlock® Fire-Rated Sheathing ›
Elevate climate control
LP® TechShield® Radiant Barrier Sheathing
Elevate Moisture Management
LP WeatherLogic® Air & Water Barrier
Elevate Structural Stability
LP® LongLength™ OSB
Reliable Strength
OSB Sheathing