{"product_id":"bostik-cementone-sbr-admixture-white-5ltr","title":"Bostik Cementone SBR Admixture White 5ltr","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eBostik SBR is a modified styrene-butadiene copolymer latex designed to improve the performance of cement-based mixes. It functions as a bonding agent, primer, and waterproofing additive, significantly enhancing adhesion, flexibility, and resistance to water ingress. \u003cbr\u003e\u003cbr\u003eThe formulation toughens and densifies mortars, screeds, and renders, improving their durability and resistance to abrasion and chemical attack. When incorporated correctly, it produces stronger, more water-resistant surfaces ideal for both internal and external applications. \u003cbr\u003e\u003cbr\u003eWidely used in waterproof rendering, flooring, tanking, bedding, and concrete repair, Bostik SBR provides a reliable method of upgrading the performance of traditional cementitious materials in demanding site conditions.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced durability\u003c\/strong\u003e: Strengthens and toughens screeds, renders, and mortars for long-lasting performance and reduced cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproofing performance\u003c\/strong\u003e: Improves impermeability, providing effective protection against moisture ingress in exposed or damp conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical resistance\u003c\/strong\u003e: Increases resistance to many industrial and environmental chemicals, extending the service life of the cement matrix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasion resistance\u003c\/strong\u003e: Enhances surface hardness and wear resistance, ideal for floors and exposed concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior bonding strength\u003c\/strong\u003e: Acts as an effective primer and bonding aid between new and existing materials, improving overall adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile application range\u003c\/strong\u003e: Suitable for bonding slurries, screeds, renders, pointing, and concrete repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal suitability\u003c\/strong\u003e: Formulated for optimal performance in outdoor and exposed environments, maintaining integrity under varying weather conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix compatibility\u003c\/strong\u003e: Designed for compatibility with cement and sand-based systems, improving cohesion and workability in both new and repair applications.\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\u003eBonding slurry\u003c\/strong\u003e: Used as a cement-SBR slurry for improved adhesion of screeds, toppings, coatings, and renders to prepared surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloor toppings and screeds\u003c\/strong\u003e: Enhances bond strength and durability in sand-cement screeds, both below and above 12mm in thickness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal waterproof renders\u003c\/strong\u003e: Enables production of waterproof renders by combining with cement and sand, offering long-term resistance to moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuction control\u003c\/strong\u003e: Mixed with water and brushed onto absorbent surfaces to regulate suction before applying new coatings or mortars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete repair\u003c\/strong\u003e: Serves as a bonding agent on concrete with exposed reinforcement, ensuring strong adhesion for patch repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePointing and bedding\u003c\/strong\u003e: Improves the cohesion and adhesion of mortar mixes for pointing and bedding applications in masonry and paving.\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\u003eSurface preparation\u003c\/strong\u003e: All surfaces must be sound, clean, and free from contaminants such as dust, oil, or laitance before application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding slurry mixing\u003c\/strong\u003e: Combine cement and Bostik SBR to a stiff, brushable consistency and apply to damp, pre-wetted substrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix proportioning\u003c\/strong\u003e: Use within the manufacturer’s recommended mix ratios to achieve the required strength and flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication timing\u003c\/strong\u003e: Apply new mortar, render, or screed while the bonding slurry remains tacky to ensure a monolithic bond.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater control\u003c\/strong\u003e: Do not over-dilute with water, as this can reduce film formation and waterproofing performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCuring\u003c\/strong\u003e: Protect freshly applied mixes from rapid drying and frost to ensure full curing and optimal mechanical strength.\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 type\u003c\/strong\u003e: Styrene Butadiene Rubber (SBR) latex polymer emulsion for cement modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance improvement\u003c\/strong\u003e: Enhances bond strength, flexibility, chemical and water resistance, and overall durability of cement-based systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Suitable for use with Portland cement and standard construction-grade sand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal performance\u003c\/strong\u003e: Proven resistance to weathering and moisture exposure in external environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Do not apply over contaminated, friable, or frozen surfaces. Always refer to the Bostik Health \u0026amp; Safety Data Sheet and follow site-specific safety procedures during use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Bostik","offers":[{"title":"Default Title","offer_id":53771510251631,"sku":"6006010","price":27.6,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Bostik_Cementone_SBR_Admixture_White_-_Photo.jpg?v=1783758528","url":"https:\/\/supplyyard.co.uk\/products\/bostik-cementone-sbr-admixture-white-5ltr","provider":"Supply Yard","version":"1.0","type":"link"}