{"product_id":"18mm-osb-3-tongue-groove-flooring-board-2400mm-x-590mm","title":"18mm OSB 3 Tongue \u0026 Groove Flooring Board 2400mm x 590mm (8' x 2')","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003e18mm OSB3 tongue-and-groove flooring board, measuring 2400mm x 590mm (8' x 2'). \u003cbr\u003e\u003cbr\u003eEach board is manufactured from strands of softwood arranged in cross-oriented layers, bonded with moisture-resistant resin, and hot-pressed to form a dense, structural panel with excellent strength and stability. \u003cbr\u003e\u003cbr\u003eThe tongue-and-groove edges are precision-machined to ensure a tight interlock between boards, helping to minimise deflection, reduce squeaks, and produce a flush, even surface ready for direct coverings. \u003cbr\u003e\u003cbr\u003eWith its OSB3 classification, the panel is designed for load-bearing use in both dry (Service Class 1) and humid (Service Class 2) conditions, making it a dependable choice for flooring, flat or pitched roofing, and wall sheathing where durability and moisture resistance are critical.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOSB3 classification:\u003c\/strong\u003e Suitable for structural, load-bearing use in humid service conditions (Service Class 1 \u0026amp; 2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered from oriented wood strands with resin binders:\u003c\/strong\u003e Provides resistance to rot, fungal decay, and swelling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTongue-and-groove edge profile:\u003c\/strong\u003e Ensures secure jointing, reduces movement, and creates a flush surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth, uniform surface:\u003c\/strong\u003e Suitable for direct coverings or secondary finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkable timber panel:\u003c\/strong\u003e Can be cut, screwed, nailed, or glued using standard tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoard length 2400mm (8ft):\u003c\/strong\u003e Designed for rapid installation across joists or rafters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness 18mm, width 590mm:\u003c\/strong\u003e Provides reliable structural strength with manageable handling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e\u003cem\u003ePlease Note:\u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003e Colour and finish are representative only and may vary slightly as this is a natural timber-based product. Additional weatherproofing is recommended if used externally for prolonged exposure.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof decking:\u003c\/strong\u003e Reliable choice for structural roof build-ups in humid service conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall sheathing:\u003c\/strong\u003e Provides racking strength and structural stability in timber frame construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFurniture and fit-out use:\u003c\/strong\u003e Can be adapted for non-structural purposes such as signboards, furniture, or concealment panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMezzanine flooring\u003c\/strong\u003e: Structural 18mm thickness provides a rigid, high-capacity decking solution for industrial platforms and storage mezzanines. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarage flooring overlay\u003c\/strong\u003e: Moisture-resistant OSB3 construction creates a durable, thermally improved floor surface when installed over concrete bases with a suitable damp proof membrane. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarden room and office flooring\u003c\/strong\u003e: Certified structural board provides the necessary load-bearing capacity for habitable timber-frame buildings in compliance with building regulations.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTongue-and-groove jointing:\u003c\/strong\u003e Boards slot securely together; edges may also be glued for added stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing method:\u003c\/strong\u003e Panels can be screwed or nailed directly to joists or rafters; secret nailing is recommended for a flush finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture protection:\u003c\/strong\u003e For permanent external use, apply exterior paint and a waterproofing sealant, allowing full drying before installation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreservative treatment \/ classification:\u003c\/strong\u003e OSB3 manufactured with waterproof adhesives and edge-sealed for resistance to swelling in humid environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService class:\u003c\/strong\u003e Classified for use in Service Class 1 (dry) and Service Class 2 (humid) applications in line with BS EN 300.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eWhat Customers Are Saying\u003c\/h2\u003e\u003cp\u003eReviewers praise the tongue-and-groove design for making installation quick and easy, with boards fitting together smoothly. Customers have used these boards successfully for both flooring and roofing projects. The delivery experience is frequently mentioned, with buyers highlighting on-time site delivery and boards arriving in good condition. The friendly customer service team receives specific praise, with one reviewer noting staff ensured delivery timing matched their project schedule.\u003cbr\u003e\u003cbr\u003e\u003cem\u003eSummarised by AI from customer reviews.\u003c\/em\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":53771574739055,"sku":"4003005","price":14.4,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/18mm_OSB_3_TG_flooring_-_Photo_1_-_1920_comp.jpg?v=1783758865","url":"https:\/\/supplyyard.co.uk\/products\/18mm-osb-3-tongue-groove-flooring-board-2400mm-x-590mm","provider":"Supply Yard","version":"1.0","type":"link"}