SterlingOSB Zero OSB3 Board 9mm 2440 x 1220mm is a high-performance structural oriented strand board designed for a wide range of construction, sheathing and general building applications. Manufactured in the UK by West Fraser, SterlingOSB Zero is an OSB3 structural board suitable for load-bearing applications in both dry and humid conditions. Its engineered construction provides consistent strength and stability across the sheet, making it a dependable alternative to traditional timber sheet materials. At 9mm thick and 2440 x 1220mm, this full-size sheet is approximately equivalent to the commonly searched 8 x 4ft board format. The thinner 9mm profile makes it particularly useful for applications such as wall sheathing, timber frame construction, roofing and general structural boarding where a lighter structural panel is required. SterlingOSB Zero is manufactured from engineered wood strands arranged in layers to provide strength and consistent performance. Unlike natural timber and some plywood products, the board contains no knots, voids or delamination problems, providing predictable performance across the entire panel.