{"product_id":"proflex-sp-rapid-set-flexible-tile-adhesive-grey","title":"Ultra Tile Fix ProFlex SP Rapid Set Flexible S1 Tile Adhesive Grey 20kg","description":"\u003cp\u003e\u003cstrong\u003eUltraTile ProFlex SP Rapid Set Flexible Tile Adhesive in Grey\u003c\/strong\u003e is a single-part, polymer-modified S1 flexible adhesive built for trade tilers who need a fast-track installation without compromising on flexibility or bond strength. Classified S1 to EN 12004 (C2FT), it offers a high level of deformation tolerance for substrates subject to slight movement or vibration, and takes light foot traffic within 3 hours of installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cp\u003eProFlex SP combines rapid set properties with genuine S1 flexibility, letting tilers turn jobs around faster while still getting the movement tolerance needed for timber floors, underfloor heating and swimming pools. Its polymer-modified formulation delivers enhanced adhesion and high bond strength, including in installations subject to moisture. Backed by a 25-year guarantee, it's a dependable one-bag solution for fast-track domestic and commercial tiling.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eSuitable for fixing ceramic, porcelain, glass, mosaic, marble, travertine, granite, limestone, terracotta, quarry, slate, quartz and brick slip tiles to walls and floors, internally and externally. ProFlex SP Grey is suitable for wet rooms, domestic and communal showers, swimming pools, conservatories, and both electric and water pipe underfloor heating systems.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eS1 flexible classification to EN 12004, C2FT\u003c\/li\u003e\n\u003cli\u003eRapid set properties for fast-track installation\u003c\/li\u003e\n\u003cli\u003eLight foot traffic within 3 hours (temperature and substrate dependent)\u003c\/li\u003e\n\u003cli\u003eSingle-part, polymer-modified formulation — just add water\u003c\/li\u003e\n\u003cli\u003eSuitable for bed thicknesses from 3mm to 20mm\u003c\/li\u003e\n\u003cli\u003e25-year manufacturer guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eCompatible with concrete, sand\/cement screed, tile backer boards, cement-faced fibre boards, anhydrite\/calcium sulphate screeds, tile-on-tile applications, firm and stable plaster, plasterboard, sand\/cement render, concrete brick\/block, hard vinyl tiles and flooring-grade asphalt. Use alongside UltraTile ProPrimer and tanking systems for a complete, specification-backed tiling build-up. Not suitable for resin-backed tiles.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMillcot supplies genuine UltraTile trade products with full technical and safety datasheets, backed by knowledgeable trade support — helping you specify and install with confidence.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for porcelain, ceramic, mosaic, natural stone, glass and quartz tiles\u003c\/li\u003e\n\u003cli\u003eS1 flexible classification — accommodates slight substrate movement or vibration\u003c\/li\u003e\n\u003cli\u003eRapid set for fast-track jobs, 2.5 hour set time\u003c\/li\u003e\n\u003cli\u003eSuitable for electric and water pipe underfloor heating\u003c\/li\u003e\n\u003cli\u003eWall and floor use, internal and external\u003c\/li\u003e\n\u003cli\u003eProfessional trade quality with a 25-year guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral wall and floor tiling, internal and external\u003c\/li\u003e\n\u003cli\u003eWet rooms, domestic showers with tray and communal showers\u003c\/li\u003e\n\u003cli\u003eSwimming pools and conservatories\u003c\/li\u003e\n\u003cli\u003eUnderfloor heated floors (electric matting and piped water systems)\u003c\/li\u003e\n\u003cli\u003eTile-on-tile overlay installations\u003c\/li\u003e\n\u003cli\u003eFast-track commercial and domestic tiling projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit size:\u003c\/strong\u003e 20kg bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Grey\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing ratio:\u003c\/strong\u003e 4.2–4.5 litres of water per 20kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBed thickness:\u003c\/strong\u003e 3mm–20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e 4.5kg\/m² at 3mm bed thickness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePot life:\u003c\/strong\u003e 60 minutes at 20°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet time:\u003c\/strong\u003e 2.5 hours at 20°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrout after:\u003c\/strong\u003e 4 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication temperature:\u003c\/strong\u003e 5°C to 25°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassification:\u003c\/strong\u003e EN 12004 Class C2FT S1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuarantee:\u003c\/strong\u003e 25 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003csmall\u003eTimings are approximate and vary with temperature, substrate and site conditions.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eEach pack contains 1 x 20kg bag of ProFlex SP Rapid Set Flexible Tile Adhesive in Grey powder form, ready to mix with clean water on site.\u003c\/p\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow quickly can I walk on tiles fixed with ProFlex SP?\u003c\/strong\u003e\u003cbr\u003eProFlex SP takes light foot traffic within around 3 hours of installation, depending on temperature and substrate — making it ideal for fast-track jobs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs ProFlex SP Grey suitable for underfloor heating?\u003c\/strong\u003e\u003cbr\u003eYes, its S1 flexible classification makes it suitable for use over electric matting and piped water underfloor heating systems, subject to normal commissioning procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this adhesive in swimming pools and wet rooms?\u003c\/strong\u003e\u003cbr\u003eYes, ProFlex SP is suitable for swimming pools, wet rooms, and domestic and communal showers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long before I can grout?\u003c\/strong\u003e\u003cbr\u003eGrouting can typically begin after 4 hours, once the adhesive has set hard — always check before grouting or walking on the tile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the pot life once mixed?\u003c\/strong\u003e\u003cbr\u003eApproximately 60 minutes at 20°C. Only mix sufficient material to be used within this time, and don't re-wet or dilute adhesive that has started to thicken.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between ProFlex SP and ProFlex SPES?\u003c\/strong\u003e\u003cbr\u003eBoth are S1 flexible adhesives, but ProFlex SP is a rapid-set formulation (2.5 hour set time) for fast-track work, while ProFlex SPES is a standard-set formulation with a longer open time for larger areas.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/UT_ProFlex_SP_Datasheet_v5_Digital.pdf?v=1789711575\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cu\u003eDownload the UltraTile ProFlex SP Technical Data Sheet (PDF)\u003c\/u\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Ultra Tile Fix","offers":[{"title":"Default","offer_id":58459207270783,"sku":"UTF PFLEX SP 20 G","price":15.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/ULTRA-Pro-Flex-sp-grey.png?v=1789711788","url":"https:\/\/www.millcot.com\/products\/proflex-sp-rapid-set-flexible-tile-adhesive-grey","provider":"MILLCOT","version":"1.0","type":"link"}