Plytanium Sturd-I-Floor Plywood Subfloor Panels
Georgia-Pacific Plytanium Sanded Plywood Sheets & Panels

Plytanium® Sturd-I-Floor

  • Versatile and durable
  • Provides stiffness and stability to floor systems
  • Plywood is recommended by many flooring manufacturers and associations as a single-layer flooring system
Plytanium® Sturd-I-Floor® sub-floor panels have helped deliver sturdy, stable flooring systems for over five decades.

Plytanium® plywood has more than 50 years of proven performance in construction applications, and Plytanium Sturd-I-Floor panels hold nails firmly and help minimize nail pops that can lead to squeaky floors.

Easy installation with Quick-Fit™ tongue-and-groove profile

Single layer flooring panel for use under hardwood flooring, carpet and pad, ceramic and vinyl floor coverings.


Available Sizes (Sized for 4’ x 8’)
Square Edge

3’-11 7⁄8” (1.216 m) x 7’-11 7⁄8” (2.435 m)

Tongue & Groove

3’-11 1⁄2” (1.206 m) x 7’-11 7⁄8” (2.435 m)

Building Code Performance Categories, Panel Thickness
19/32 CAT

0.578” (14.68 mm)

23/32 CAT

0.703” (17.85 mm)

1-1/8 CAT

1.091” (27.71 mm)

Length/Width Tolerance

+0, -1⁄16” (+0, -1.6 mm)

Straightness Tolerance

±1⁄16” (±1.6 mm)

Squareness Tolerance

± 1/8” (± 3.2 mm)

Primary Species

Southern Yellow Pine

Testing Agency

APA® – The Engineered Wood Association


Exposure 1 : Plywood suitable for uses not permanently exposed to the weather. Panels classified as Exposure 1 are intended to resist the effects of moisture on structural performance as may occur due to construction delays, or other conditions of similar severity.

Code Fire Classification

Class III or C

Flame Spread Rating

76-200, smoke developed index <450

Building Code Compliance

PS 1-09

SFI Certified


Safety Data Sheets

Product FAQs

What is Sturd-I-Floor®?

Sturd-I-Floor® is an APA designation that is a combination subfloor-underlayment produced from OSB or plywood. These panels feature a built-in underlayment that allows the convenience of using only Sturd-I-Floor® under certain finish flooring, especially carpet and pad.

What is the proper way to store plywood on the yard or on a job site?
Is there a difference between span ratings for OSB and plywood?
What is the flame spread classification for plywood?
What does the stamp on my plywood panel mean?
What does the "span rating" of a plywood panel mean?
How many sheets are in a unit of plywood?
Does GP's wood come from sustainably managed forests?
Do your panels meet formaldehyde emissions standards?
When used in the manufacture of crates and pallets, are Georgia-Pacific plywood and OSB safe for international shipping?

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