{"product_id":"ardex-x-11-w-enhanced-flexible-s1-tile-adhesive-white-20kg","title":"Ardex X 11 W Enhanced Flexible S1 Tile Adhesive White 20kg","description":"\u003cp\u003eArdex X 11 W is a white, semi-rapid setting, cement-based tile adhesive for walls and floors, classified C2 TE S1 to BS EN 12004. Highly polymer-modified for enhanced adhesion and flexibility, it has excellent grab and slump resistance, making it a dependable choice for fixing large format wall tiles. A smooth, gel-like consistency makes it easy to mix and a pleasure to trowel, and the long 2½ hour pot life means bigger mixes can be used with confidence on larger areas.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassification: C2 TE S1 – improved deformable adhesive with reduced slip and extended open time\u003c\/li\u003e\n\u003cli\u003eSemi-rapid setting – walk on and grout after 6–8 hours at 20°C\u003c\/li\u003e\n\u003cli\u003e2½ hour pot life for bigger mixes\u003c\/li\u003e\n\u003cli\u003e45-minute open time (best fixed within 30 minutes, adjustable for up to 15 minutes)\u003c\/li\u003e\n\u003cli\u003eExcellent grab and slump resistance for large format wall tiles\u003c\/li\u003e\n\u003cli\u003eUp to 15mm bed depth in isolated areas (up to 0.5m²)\u003c\/li\u003e\n\u003cli\u003eBright white colour – ideal for light, translucent and natural stone tiles\u003c\/li\u003e\n\u003cli\u003eEMICODE EC1 very low emission\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for ceramic and fully vitrified tiles, porcelain, glass and porcelain mosaics, terrazzo and other low porosity tiles, plus non-moisture sensitive natural stone. Suitable for internal and external use, swimming pools and wet areas, and for fixing to concrete, cement\/sand screeds and renders, heated subfloors, brickwork and blockwork, gypsum plaster, plasterboard, tile backer boards and existing ceramic tiling.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for fully commissioned underfloor heating on concrete or cement\/sand screeds\u003c\/li\u003e\n\u003cli\u003eCured adhesive withstands temperatures from -30°C to 100°C\u003c\/li\u003e\n\u003cli\u003eCan be applied to dry or moist surfaces (moisture sensitive materials must remain dry)\u003c\/li\u003e\n\u003cli\u003ePrime absorbent surfaces and anhydrite screeds with Ardex P 51; use Ardex P 4 or P 82 on smooth, non-porous surfaces\u003c\/li\u003e\n\u003cli\u003eGrout with Ardex-Flex tile grouts, or Ardex epoxy grout where chemical resistance is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassification: BS EN 12004 C2 TE S1\u003c\/li\u003e\n\u003cli\u003eColour: White\u003c\/li\u003e\n\u003cli\u003ePack size: 20kg paper sack with polyethylene liner\u003c\/li\u003e\n\u003cli\u003eMixing ratio: approx. 5.4 litres of clean water per 20kg bag (do not exceed)\u003c\/li\u003e\n\u003cli\u003ePot life: approx. 2½ hours at 20°C\u003c\/li\u003e\n\u003cli\u003eOpen time: approx. 45 minutes | Adjustment time: approx. 15 minutes\u003c\/li\u003e\n\u003cli\u003eWalk-on \/ grout time: 6–8 hours at 20°C\u003c\/li\u003e\n\u003cli\u003eCoverage: approx. 5m² per 20kg bag at 3mm bed thickness (approx. 1.31kg\/m² per mm)\u003c\/li\u003e\n\u003cli\u003eYield: approx. 15.26 litres of mortar per 20kg bag\u003c\/li\u003e\n\u003cli\u003eTensile adhesion strength: greater than 1 N\/mm²\u003c\/li\u003e\n\u003cli\u003eSlip: less than 0.5mm\u003c\/li\u003e\n\u003cli\u003eApplication temperature: above 5°C\u003c\/li\u003e\n\u003cli\u003eShelf life: 12 months from date on packaging, unopened, stored cool and dry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003e1 x 20kg bag of Ardex X 11 W Enhanced Flexible S1 Tile Adhesive (White).\u003c\/p\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Ardex X 11 W used for?\u003c\/strong\u003e\u003cbr\u003eIt's a white, semi-rapid setting flexible adhesive for fixing porcelain, ceramic, mosaic and suitable natural stone tiles to walls and floors, indoors and out, including large format wall tiles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long before I can grout or walk on it?\u003c\/strong\u003e\u003cbr\u003eTypically 6–8 hours at 20°C, depending on tile and background porosity. Lower temperatures lengthen this, higher temperatures shorten it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for underfloor heating?\u003c\/strong\u003e\u003cbr\u003eYes, on concrete or cement\/sand screeds with fully commissioned underfloor heating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it in swimming pools and shower areas?\u003c\/strong\u003e\u003cbr\u003eYes, it's suitable for swimming pools and wet areas. For showers, use a tanking system such as Ardex WPC to protect moisture sensitive backgrounds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much water do I add?\u003c\/strong\u003e\u003cbr\u003eApproximately 5.4 litres per 20kg bag. Don't exceed the maximum water content.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to prime the surface?\u003c\/strong\u003e\u003cbr\u003eAbsorbent surfaces, concrete and anhydrite screeds should be primed with Ardex P 51 (diluted 1:3). Smooth, non-porous surfaces need Ardex P 4 or P 82 as appropriate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I tile directly onto plywood or timber?\u003c\/strong\u003e\u003cbr\u003eNo. Under BS 5385-3:2024, timber is not suitable for direct tiling. Overlay with a tile backer board or use a suitable uncoupling matting.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/WVGGadtAfBs?si=HMN1x1EMMhUDsm0k\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/ARDEX-X-11-W.pdf?v=1790848945\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cu\u003eDownload the Ardex X 11 W Technical Datasheet (PDF)\u003c\/u\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Ardex","offers":[{"title":"Default Title","offer_id":58590426661247,"sku":"ARDEX-X11W-20KG","price":25.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/X11W.png?v=1790849202","url":"https:\/\/www.millcot.com\/products\/ardex-x-11-w-enhanced-flexible-s1-tile-adhesive-white-20kg","provider":"MILLCOT","version":"1.0","type":"link"}