18mm x 2.4m x 0.59m OSB Grade 3 Tongue & Groove

Strong, Stable Flooring with OSB Tongue and Groove Precision Built for demanding flooring applications, this 18mm OSB tongue and groove board offers exceptional strength, stability, and ease of installation. Manufactured to OSB/3 standards, it’s made to perform reliably in both domestic and commercial environments, even where humidity is a factor.   The tongue and groove edge profile creates a tight, secure interlock between boards, helping to minimise movement and distribute loads evenly across the floor. This results in a more solid feel underfoot and improved long-term performance compared to square-edged boards.   Ideal for new builds, refurbishments, and timber frame constructions, this OSB tongue and groove flooring solution combines high dimensional accuracy with excellent impact resistance. Whether you’re fitting out a home, retail space, or commercial property, it delivers dependable results and faster installation with a professional finish. Pair with our C24 timber for a subfloor that's equally as strong.   Key Features of OSB Tongue and Groove Tongue & Groove edge profile ensures a tight fit, quicker installation, and enhanced structural integrity. Grade 3 Suitable for dry and humid environments, including kitchens and utility areas Consistent size and shape for smooth, level flooring across large areas. Handles heavy foot traffic and dynamic loads without cracking or splitting. Ideal for domestic, commercial, and timber frame applications.   Please note: Timber is a natural product. Finish, colour and sizes may vary from illustration and description. While every care is taken to provide you the best material, with it being natural it can move, split, warp, twist, swell and shrink.