{"product_id":"12mm-sts-construction-board-1200mm-x-800mm","title":"12mm STS\/NoMorePly Fibre Cement Construction Board 1200mm x 800mm","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eSTS Construction Board with a 12mm thickness and 1200mm x 800mm sheet size. This high-density cementitious fibre board is designed for use in wet areas, structural lining, and tile-backing installations. \u003cbr\u003e\u003cbr\u003eIt offers exceptional dimensional stability, moisture resistance, and mechanical strength compared with traditional plasterboard systems. Manufactured from a blend of cement, mineral fillers, and cellulose fibres, the board provides a robust, impact-resistant substrate that will not degrade or swell when exposed to humidity. \u003cbr\u003e\u003cbr\u003eIts smooth, factory-finished surface is suitable for direct tiling, finishing, or decorative coatings. The 12mm thickness provides enhanced rigidity and load-bearing strength for wall, ceiling, and flooring applications requiring a strong, durable substrate.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh moisture resistance\u003c\/strong\u003e: Ideal for bathrooms, showers, and wet-room environments where stability is essential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh density and strength\u003c\/strong\u003e: Provides excellent impact resistance and rigidity under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile substrate\u003c\/strong\u003e: Suitable for direct tiling, render, or decorative finishes without additional treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensional stability\u003c\/strong\u003e: Maintains form and flatness even in fluctuating humidity or temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable composition\u003c\/strong\u003e: Resistant to mould, rot, and disintegration over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheet size and thickness\u003c\/strong\u003e: 1200mm x 800mm board with 12mm thickness suited to heavy-duty wall and floor construction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall lining\u003c\/strong\u003e: Provides a durable, moisture-resistant substrate for tiled or finished surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloor underlay\u003c\/strong\u003e: Acts as a stable base layer beneath tiles or finishes in wet areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeiling lining\u003c\/strong\u003e: Used where enhanced fire and moisture resistance is required overhead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet rooms and showers\u003c\/strong\u003e: Ideal for direct application behind waterproofing systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting\u003c\/strong\u003e: Score and snap using a tungsten or carbide knife; mechanical saws may be used with dust extraction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixing\u003c\/strong\u003e: Secure to framework or solid substrate using corrosion-resistant screws or fixings at regular intervals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJoint treatment\u003c\/strong\u003e: Reinforce joints with alkali-resistant mesh tape and suitable jointing compound or waterproof membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinishing\u003c\/strong\u003e: Ensure surface is clean and dust-free before applying tile adhesive, render, or finish coat.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial composition\u003c\/strong\u003e: Fibre-cement board manufactured to EN 12467 standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture performance\u003c\/strong\u003e: Water-resistant and dimensionally stable in humid and wet environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire performance\u003c\/strong\u003e: Non-combustible to Euroclass A1 for enhanced fire safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental compliance\u003c\/strong\u003e: Contains no asbestos or harmful additives and meets EUTR timber regulations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Always handle with suitable PPE and follow manufacturer installation guidance to maintain certification and fire rating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"12mm \/ 1200mm","offer_id":53771541348463,"sku":"4008133","price":19.8,"currency_code":"GBP","in_stock":true},{"title":"12mm \/ 2400mm","offer_id":53771541381231,"sku":"4008134","price":59.41,"currency_code":"GBP","in_stock":true},{"title":"18mm \/ 2400mm","offer_id":53771541413999,"sku":"4008139","price":82.18,"currency_code":"GBP","in_stock":true},{"title":"9mm \/ 2400mm","offer_id":53771541446767,"sku":"4008136","price":46.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/12mm_STS_Construction_Board_1200mm_x_800mm_-_Photo.jpg?v=1783758713","url":"https:\/\/supplyyard.co.uk\/products\/12mm-sts-construction-board-1200mm-x-800mm","provider":"Supply Yard","version":"1.0","type":"link"}