LP Legacy Premium Sub-flooring


  • Bending Stiffness: Parallel Direction (Nominal 8´) – 395,120
  • Bending Stiffness: Perpendicular Direction Nominal (4´) – 160,980
  • Bending Strength: Parallel Direction Nominal (8´) – 1,300
  • Bending Strength: Perpendicular Direction Nominal (4´) – 750
  • Panel Weight Southern species: 82 lbs; Northern species: 76 lbs
  • Recognized as carbon negative by ASTM in 2023


Features and Benefits

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
Sub-floor 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.
Carbon Negative
Qualifies as carbon negative, helping you build sustainably by choosing products that store more carbon than is released in their life cycle.
Installed Legacy sub-flooring panel
Sales Tools
Find out how LP Legacy® Premium Sub-Flooring can benefit your build.

Product Data Sheet

Sales Sheet

8 Common Sub-Floor Install Mistakes

Portfolio Product Guide

Builder carrying Legacy board
Technical Documents
Get the details on LP Legacy® sub-flooring installation, warranty and more.

Installation Instructions


Environmental Product Declaration

Warranty Information

Choosing a Premium Sub-Floor

See why CroweBuilt Homes Builds with LP Legacy® Premium Sub-Flooring.

LP Legacy® Premium Sub-Flooring Deflection Test

Contractor Kyle Stumpenhorst performs a quick test to show the strength and resiliency of LP Legacy® sub-flooring.

Premium Sub-Floor Sheathing Built To Last

To create LP Legacy® Premium Sub-Floor panels, logs are stranded and dried, then blended with waxes and resins. This includes Gorilla Glue Technology® that provides unmatched strength and moisture resistance throughout the panel. The strands are aligned in a specific orientation, sent through a press to bond at the molecular level, and cut to size. With this innovative process, LP Legacy panels represent one of the strongest, stiffest sub-floor options on the market.

LP Legacy Made Of

Premium OSB Technology

There’s a reason it’s among the industry’s best OSB sub-flooring. LP Legacy® Premium Sub-Flooring panels are designed to elevate every build by delivering cost-effective superior performance and stability. Stake your reputation on the remarkably strong, consistent quality of LP Legacy sub-floors.

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LP Legacy® Accessories

LP Legacy<sup>®</sup> Premium Sub-Floor Adhesive
LP Legacy® Premium Sub-Floor Adhesive

Designed to create a tight seal in small gaps and to help prevent squeaks.

LP Legacy<sup>®</sup> Sub-Floor Adhesive Applicator
LP Legacy® Sub-Floor Adhesive Applicator

Helps make adhesive application easy with adjustable bead width.

LP Legacy<sup>®</sup> Polyurethane Foam Cleaner
LP Legacy® Polyurethane Foam Cleaner

Helps prevent clogs when used regularly after every six cans of adhesive.

LP® TechShield®
LP WeatherLogic®
LP NovaCore
LP FlameBlock®