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The 2440 × 1220 × 11 mm OSB 3 Board is a strong, versatile engineered wood panel designed for structural and load-bearing applications in humid and protected external environments. Manufactured from oriented strands of softwood bonded with moisture-resistant resins, OSB 3 offers excellent strength, stiffness and durability for construction use.
With its standard 8 × 4 ft sheet size and 11 mm thickness, OSB 3 is widely used as a cost-effective alternative to plywood for flooring, roofing and wall sheathing where certified structural performance is required.
Structural OSB 3 board to EN 300
Sheet size: 2440 × 1220 mm (8 × 4 ft)
Thickness: 11 mm
Suitable for load-bearing applications
Moisture-resistant for use in humid conditions
Consistent quality and dimensional stability
Structural flooring and roofing (when correctly specified)
Wall sheathing and timber frame construction
Site hoardings and temporary works
Packaging, storage and general construction use
DIY and refurbishment projects
Excellent strength and stiffness for structural use
Can be cut, drilled and fixed using standard woodworking tools
Suitable for painting or sealing if required
Appropriate for internal use and humid or protected external environments
Product Type: Oriented Strand Board (OSB 3)
Standard: EN 300
Sheet Size: 2440 × 1220 mm
Use Class: Structural, internal or humid/protected external applications
The 2440 × 1220 × 11 mm OSB 3 Board provides a strong, cost-effective structural solution for flooring, roofing and wall construction. Selected for consistent quality and reliable performance, it is a trusted choice for builders, contractors and general construction projects.
