OSB3 Sterling Board | Structural Sheet Material – 9mm, 11mm, 18mm

Our OSB3 Sterling Board is a strong, versatile structural panel ideal for roofing, wall sheathing, flooring, site hoarding, and general construction. Manufactured to OSB3 specification, it is designed for use in load-bearing applications where high moisture resistance and durability are essential.

✅ Available thicknesses: 9mm, 11mm, and 18mm
✅ Board size: typically 2440mm x 1220mm (8ft x 4ft)
✅ Suitable for roof decking, flooring, partition walls, sheds, and hoarding
✅ High moisture resistance – suitable for external and humid environments (must be sealed if fully exposed)
✅ Manufactured from FSC® certified timber strands bonded with resins for strength and environmental performance

This OSB3 board delivers excellent load-carrying capacity and consistent performance, making it a popular choice with builders, roofers, joiners, and DIYers.

🛠️ Typical Uses:

• Flat and pitched roof decking

• Flooring systems and overlays

• Timber frame wall sheathing

• Site fencing and hoardings

• Shed building and garden structures

✔️ Durable, versatile, and easy to cut and fix
✔️ Edge stamping for traceability and quality assurance
✔️ Nationwide UK delivery available