{"product_id":"kelmore-grout-flex15","title":"Kelmore Grout Flex15","description":"\u003cp data-start=\"83\" data-end=\"429\"\u003e\u003cstrong data-start=\"83\" data-end=\"107\"\u003eKelmore Grout Flex15\u003c\/strong\u003e is a highly flexible, polymer-modified, fast-setting cementitious grout for walls and floors. Available in a wide range of popular colours with matching silicones, it suits joints up to 15 mm and provides built-in mould resistance. Its efflorescence-free formula allows easy wash-off and leaves a clean, full grout joint.\u003c\/p\u003e\n\u003cp data-start=\"431\" data-end=\"699\"\u003eSuitable for interior and exterior use—including wet rooms, power showers, and domestic or commercial settings—Flex15 is manufactured using advanced technology and premium raw materials, significantly reducing CO₂ emissions compared to traditional cementitious grouts.\u003c\/p\u003e\n\u003ch3 data-start=\"701\" data-end=\"715\"\u003eCoverage\u003c\/h3\u003e\n\u003cp data-start=\"716\" data-end=\"838\"\u003eCoverage varies depending on tile size, thickness and joint width. The table below provides typical coverage per 3 kg bag.\u003c\/p\u003e\n\u003ch3 data-start=\"840\" data-end=\"852\"\u003eMixing\u003c\/h3\u003e\n\u003cp data-start=\"853\" data-end=\"1131\"\u003eMix approximately 3¼ parts powder to 1 part clean, cold water (800–850 ml per 3 kg bag). Add powder to water and blend to a smooth, creamy, slump-free consistency. Allow to stand for 2 minutes, then re-mix. When using a mechanical mixer, keep speeds low to avoid entraining air.\u003c\/p\u003e\n\u003ch3 data-start=\"1133\" data-end=\"1150\"\u003eApplication\u003c\/h3\u003e\n\u003cp data-start=\"1151\" data-end=\"1419\"\u003eApply with a grout float or squeegee, fully compacting grout into joints and removing excess as you work. Once the grout begins to firm up*, clean residues with a damp (not wet) sponge, rinsing frequently. When hardened, polish off any remaining haze with a dry cloth.\u003c\/p\u003e\n\u003cp data-start=\"1421\" data-end=\"1497\"\u003e*At 20 °C: approx. 20 min to stiffen in ceramic tiles, 45 min in porcelain.\u003c\/p\u003e\n\u003ch3 data-start=\"1499\" data-end=\"1520\"\u003eSet Times \u0026amp; Use\u003c\/h3\u003e\n\u003cp data-start=\"1521\" data-end=\"1530\"\u003eAt 20 °C:\u003c\/p\u003e\n\u003cul data-start=\"1531\" data-end=\"1802\"\u003e\n\u003cli data-start=\"1531\" data-end=\"1568\"\u003e\n\u003cp data-start=\"1533\" data-end=\"1568\"\u003eLight foot traffic: after 3 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1531\" data-end=\"1568\"\u003e\n\u003cp data-start=\"1533\" data-end=\"1568\"\u003eFull set: after 24 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1598\" data-end=\"1634\"\u003e\n\u003cp data-start=\"1600\" data-end=\"1634\"\u003eDry-area service: after 24 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1635\" data-end=\"1663\"\u003e\n\u003cp data-start=\"1637\" data-end=\"1663\"\u003eShower use: after 3 days\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1664\" data-end=\"1719\"\u003e\n\u003cp data-start=\"1666\" data-end=\"1719\"\u003eProtect external areas from frost\/rain for 48 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1720\" data-end=\"1802\"\u003e\n\u003cp data-start=\"1722\" data-end=\"1802\"\u003eFor underfloor heating: leave off for 10 days, then raise the temperature gradually.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1804\" data-end=\"1899\"\u003eGrout Flex15 should be used in accordance with \u003cstrong data-start=\"1851\" data-end=\"1872\"\u003eBS 5385 Parts 1–5\u003c\/strong\u003e for wall and floor tiling.\u003c\/p\u003e","brand":"Kelmore","offers":[{"title":"Alpine White","offer_id":40864138821681,"sku":"FLEX15-ALPINEWHITE","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Antique White","offer_id":40864138854449,"sku":"FLEX15-ANTIQUEWHITE","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Jasmine","offer_id":40864138887217,"sku":"FLEX15-JASMINE","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Oat","offer_id":40864138919985,"sku":"FLEX15-OAT","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Pebble","offer_id":40864138952753,"sku":"FLEX15-PEBBLE","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Stone","offer_id":40864138985521,"sku":"FLEX15-STONE","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Greige","offer_id":40864139018289,"sku":"FLEX15-GREIGE","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Caramel","offer_id":40864139051057,"sku":"FLEX15-CARAMEL","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Mocha","offer_id":40864139083825,"sku":"FLEX15-MOCHA","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Limestone","offer_id":40864139116593,"sku":"FLEX15-LIMESTONE","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Light Grey","offer_id":40864139149361,"sku":"FLEX15-LIGHTGREY","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Silver Grey","offer_id":40864139182129,"sku":"FLEX15-SILVERGREY","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Natural Grey","offer_id":40864139214897,"sku":"FLEX15-NATURALGREY","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Slate Grey","offer_id":40864139247665,"sku":"FLEX15-SLATEGREY","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Dark Grey","offer_id":40864139280433,"sku":"FLEX15-DARKGREY","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Charcoal","offer_id":40864139313201,"sku":"FLEX15-CHARCOAL","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":40864139345969,"sku":"FLEX15-BLACK","price":6.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/0522\/9617\/files\/Kelmore-Grout-Flex15-002__41860.1746693615__00099.jpg?v=1765466415","url":"https:\/\/underfloorheatingonline.co.uk\/products\/kelmore-grout-flex15","provider":"Underfloor Heating Online","version":"1.0","type":"link"}