Choosing the right OSB is essential for a durable and high-quality finish. MKM Building Supplies stocks a variety of options, catering to both trade professionals and homeowners. With decades of experience, were committed to providing industry-leading advice and premium materials.

OSB has superb load-bearing properties, excellent cross dimensional stability and an attractive wood patterned finish. At B&Q we only buy responsibly sourced wood. All of our OSB boards are CE and FSC certified.

We stock both OSB, OSB Zero and OSB3 board from top trusted brands such as West Fraser. Our OSB sterling board range includes standard 1220 x 2440mm sheets with all thicknesses available such as 9mm, 11mm and 18mm OSB board.

9mm OSB board is an engineered, load-bearing wood-based panel product, free of knots and voids, and suitable for structural use in humid situations. FSC® Certified.

9mm OSB 3 Board 2397mm x 1197mm; Structural panel suitable for use in a wide range of applications; Versatile and moisture resistant; Site hoarding, roofing, flooring

For versatile and durable OSB 3 sheets available in 11mm and 18mm thicknesses browse through Builder Depot today for the best trade prices.

The 9mm OSB3 Board is an engineered wood-based panel designed for both structural and non-structural applications in humid and dry conditions. Precision-engineered for stability and durability, this versatile board is suitable for a wide range of uses, including wall sheathing, roofing, flooring, hoardings, garden sheds, and various DIY projects.

9mm OSB 3 is a precision engineered board with no knots or voids ideal for structural roofing and flooring panels.