{"product_id":"bostik-cempolatex-latex-sub-floor-levelling-compound-20kg","title":"Bostik Cempolatex Latex Sub-Floor Levelling Compound 20kg","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eBostik Cempolatex Self-Smoothing Compound supplied as a grey, cement-based powder for mixing with water to form a free-flowing, self-levelling liquid. \u003cbr\u003e\u003cbr\u003eDesigned for interior use, it provides a rapid-setting, durable base for floor coverings on a wide range of prepared sub-floors. The latex-modified formulation gives enhanced flexibility and adhesion, forming a sound, smooth surface ready to receive resilient, textile, wood, or ceramic finishes. \u003cbr\u003e\u003cbr\u003eIt is not intended as a final wearing surface and must always be covered with a suitable floor finish. The product is typically applied between 3mm and 12mm in a single application.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Flexibility\u003c\/strong\u003e: Latex modification allows for minor substrate movement, ideal for suspended timber and mixed sub-floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Setting and Drying\u003c\/strong\u003e: Accepts light foot traffic after approximately 4 hours and most floor coverings within 16-24 hours at 20°C and 3mm thickness, supporting fast-track installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Adhesion\u003c\/strong\u003e: Bonds strongly to a wide range of properly prepared substrates, including concrete, screeds, stone, brick, terrazzo, and rigid plywood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Smoothing Performance\u003c\/strong\u003e: High-flow formulation enables easy application and a level, uniform finish with minimal trowelling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtein-Free Composition\u003c\/strong\u003e: Eliminates the risk of adverse reactions with sensitive adhesives and maintains suitability in hygienic environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderfloor Heating Compatible\u003c\/strong\u003e: Suitable for use over piped warm water underfloor heating systems when used as a levelling layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application Thickness\u003c\/strong\u003e: Can be applied between 3mm and 12mm in a single pour, with deeper isolated repairs achievable up to 100mm when used in conjunction with Bostik SBR.\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\u003eInterior Floor Levelling\u003c\/strong\u003e: Smooths and levels uneven sub-floors prior to installation of new floor coverings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResilient Flooring Preparation\u003c\/strong\u003e: Provides a stable, smooth surface for vinyl, LVT, and rubber flooring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTile and Stone Finishes\u003c\/strong\u003e: Creates a reliable, even substrate for ceramic or natural stone tiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimber and Textile Coverings\u003c\/strong\u003e: Suitable for use beneath carpet, wood, and laminate floors where a level base is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderfloor Heating Systems\u003c\/strong\u003e: Appropriate for application over embedded warm water heating systems under controlled installation conditions.\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\u003eSubstrate Preparation\u003c\/strong\u003e: Surfaces must be clean, dry, sound, and free from contaminants such as dust, grease, or existing adhesive residues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePriming\u003c\/strong\u003e: Always apply a Bostik-recommended primer appropriate to the substrate to minimise absorption, prevent pinholes, and optimise adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing\u003c\/strong\u003e: Add powder gradually to the specified quantity of clean, cold water and mix mechanically for a minimum of 2 minutes until smooth and lump-free. Do not over-water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Pour immediately onto the primed surface and spread with a steel trowel or float to the desired thickness. Maintain a wet edge to blend pours seamlessly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinishing\u003c\/strong\u003e: Use a spiked roller to remove air and improve surface uniformity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderfloor Heating Procedure\u003c\/strong\u003e: Heating must be switched off 48 hours before application, remain off during curing, and be reintroduced gradually after 48 hours.\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: Cement-based powder incorporating latex modification for flexibility and strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Properties\u003c\/strong\u003e: Rapid-setting formulation supporting foot traffic within 4 hours and floor coverings after 16–24 hours (3mm thickness at 20°C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate Compatibility\u003c\/strong\u003e: Adheres to concrete, sand\/cement screeds, calcium sulphate screeds, mastic asphalt (subject to priming), rigid plywood, and firmly bonded ceramic or quarry tiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Limitation\u003c\/strong\u003e: Interior use only; not suitable as a final wear surface or for use over water-soluble contaminants or adhesive residues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderfloor Heating Use\u003c\/strong\u003e: Suitable only for warm water systems when used as a levelling compound; not for filling or topping applications with UFH or mastic asphalt bases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant Note\u003c\/strong\u003e: Ensure all substrates are properly prepared and primed. Do not apply over flexible or poorly ventilated timber structures. The product must always be covered with a suitable floor finish.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Bostik","offers":[{"title":"Default Title","offer_id":53771510513775,"sku":"6003080","price":25.51,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Bostik_Latex_-_Photo.jpg?v=1783758533","url":"https:\/\/supplyyard.co.uk\/products\/bostik-cempolatex-latex-sub-floor-levelling-compound-20kg","provider":"Supply Yard","version":"1.0","type":"link"}