OSB 3 boards 1250 × 2500 mm – water-resistant

Reliable and durable solution for humid environments and heavy-duty structures.

OSB 3 boards are designed for both indoor and outdoor construction, where mechanical strength and moisture resistance are essential.
Thanks to their high density and waterproof bonding (WBP – phenolic resin based), these panels maintain dimensional stability and shape even under prolonged humidity exposure.

Widely used for roof and wall sheathing, subfloors, timber frame houses, and formwork applications, OSB 3 is a trusted choice for professional and long-lasting construction projects.

Description

Reliable and durable solution for humid environments and heavy-duty structures.

OSB 3 boards are designed for both indoor and outdoor construction, where mechanical strength and moisture resistance are essential.
Thanks to their high density and waterproof bonding (WBP – phenolic resin based), these panels maintain dimensional stability and shape even under prolonged humidity exposure.

Widely used for roof and wall sheathing, subfloors, timber frame houses, and formwork applications, OSB 3 is a trusted choice for professional and long-lasting construction projects.


Advantages

  • Suitable for use in humid environments (OSB 3 class)

  • High mechanical strength and dimensional stability

  • Excellent fastening grip – screws and nails hold firmly

  • Smooth, uniform surface, easy to work with

  • Eco-friendly, responsibly sourced and certified material

  • Complies with European standards (EN 300, CE certified)


Recommended Applications

  • Roof and wall structures

  • Subfloors and interior frameworks

  • Utility rooms, garages, and humid environments

  • Formwork and temporary construction


Warehouse Stock – C/C+, CE2+

Size (mm) Thickness Sheets per pack Approx. weight
1250 × 2500 9 mm 90 pcs 13 kg
1250 × 2500 11 mm 75 pcs 16 kg

Bonding: WBP – moisture-resistant (phenolic resin based)
Standards: EN 314-2 / EN 636-2
Certification: CE2+, FSC / PEFC available on request


👉 OSB 3 boards provide a reliable and cost-effective solution, combining strength, moisture protection, and high precision for every construction need.