Blue Ribbon® Sturd-I-Floor

Wood Structural Panel made from primarily sustainable southern yellow pine or northern aspen & mixed hardwoods, edge protected from moisture with Blue Edge Seal.
Well suited for direct application of carpets and pads as well as hardwood flooring.
Classified by APA as having Exposure 1 bond durability for limited exposure and protected applications.
Exempt from the world’s leading formaldehyde emission standards and regulations due to very low emission rates
Limited lifetime warranty

Specifications Warranty

Product Details

Enhance the longevity and quality of your flooring with our inimitable OSB Subfloor. This product provides remarkable strength and moisture resistance, making it a reliable choice for residential and light commercial projects. Available in both Tongue & Groove and square edge options, our subfloor is ingeniously engineered with Southern Yellow Pine and fortified with a protective Blue Edge Seal. This design offers superior defense against damage and extends the life of your flooring system.

Classified by APA as Exposure 1, our OSB Subfloor exhibits dependable durability and uniform strength. You won’t have to worry about structural weaknesses such as core voids or splits. Whether you’re working on a new project or renovating your home, our subfloor is suitable for a wide range of flooring applications.

Our commitment to quality is also reflected in our lifetime limited warranty, offering you the peace of mind you deserve when investing in our product. Moreover, our commitment to sustainability is paramount. We source wood exclusively from suppliers that are third-party certified to Sustainable Forestry Initiative (SFI#174) or Forest Stewardship Council (FSI) fiber sourcing standards, ensuring that our products contribute to the health and longevity of our forests. Invest in our OSB Subfloor for a durable, reliable, and environmentally responsible flooring solution.

FEATURES AND BENEFITS

Durability: Engineered to withstand the toughest demands, this subfloor ensures a dependable base that lasts, no matter the project.
Sustainable Sourcing: We care about more than just your floors—we care about the planet too. Our wood is sourced exclusively from suppliers certified by the Sustainable Forestry Initiative (SFI) and Forest Stewardship Council (FSC), supporting forest health and longevity.

Product Specifications

Performance Attributes

Classification	Exposure 1 : OSB 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 2-18
Testing Agency	APA® – The Engineered Wood Association

Physical Properties

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)
Thickness (Category)	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	± 1/16” (± 1.6 mm)
Straightness Tolerance	± 1/64” per 2 ft. of length
Squareness Tolerance	± 1/16” (± 1.6 mm)

Performance Attributes

Classification	Exposure 1 : OSB 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 2-18
Testing Agency	APA® – The Engineered Wood Association

Physical Properties

Square Edge	3’-11 7⁄8″ (1.216 m) x 8’-11 7⁄8″ (2.740 m)
Tongue & Groove	3′-11 1⁄2″ (1.206 m) x 8′-11 7⁄8″ (2.435 m)
Thickness (Category)	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	± 1/16” (± 1.6 mm)
Straightness Tolerance	± 1/64” per 2 ft. of length
Squareness Tolerance	± 1/16” (± 1.6 mm)

Performance Attributes

Classification	Exposure 1 : OSB 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 2-18
Testing Agency	APA® – The Engineered Wood Association

Physical Properties

Square Edge	3’-11 7⁄8″ (1.216 m) x 9’-11 7⁄8″ (2.740 m)
Tongue & Groove	3′-11 1⁄2″ (1.206 m) x 9′-11 7⁄8″ (2.435 m)
Thickness (Category)	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	± 1/16” (± 1.6 mm)
Straightness Tolerance	± 1/64” per 2 ft. of length
Squareness Tolerance	± 1/16” (± 1.6 mm)