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Manufacturer's Product Description

Plywood Sturd-I-Floor sub-floor is up to 10% stiffer than Oriented Strand Board (OSB) SIF with equal joist spacing ? that means less deflection and bounce under foot. The payoff: your floors perform beautifully after decades of heavy use and heavy furniture.
Quieter floor solutions for more than 30 years
Plytanium Sturd-I-Floor sub-floor has delivered sturdier, more stable flooring systems for over three decades, and it is recommended by many flooring manufacturers and associations as a single-layer flooring system. Use it under wall-to-wall carpet and pad, hardwood flooring, and vinyl or ceramic tile*.
Smooth, sanded surface lets you install floor coverings directly on the sub-floor with no additional underlayment. Changing floor coverings is easier when you are ready to upgrade with new carpeting or hardwood floors.
Firm nail holding ability helps prevent loose fasteners in hardwood flooring.
Superior stiffness and stability help prevent tile or grout cracking when properly installed.
The stiffness and strength of Plytanium 7/8" Sturd-I-Floor sub-floor allow support systems up to 24" on-center. That reduces materials costs and installation time versus 16" spacing.
Plytanium Sturd-I-Floor sub-floor features APA Quick-Fit Tongue & Groove design so panels fit together quickly and easily, for even faster installations.
Plywood sub-floor with a water-repellent coating - introducing DryPly Plywood
Protect sub-floors from moisture during construction! DryPly plywood is available with a water-repellent coating. Reducing water absorption during a normal four-week construction cycle can help avoid many of the problems that often result when sub-flooring is exposed to moisture.

Activity with Plywood Sturd-I-Floor Sub-floor