{"product_id":"roff-extrofix-ultra-adhesive-t20-t21","title":"Roff Extrofix Ultra Adhesive T20 \u0026 T21","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRoff Extrofix Adhesive (EFA)\u003c\/b\u003e is a premium, high-performance, polymer-modified thin-set cementitious tile adhesive engineered by Pidilite Industries. Specifically designed to withstand challenging external and internal conditions, Roff Extrofix provides the durability and flexibility necessary to handle weather variations, thermal shock, and high-impact structural vibrations.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUnlike regular indoor adhesives, Roff Extrofix is engineered to counter thermal expansion and contraction, preventing expensive large-format vitrified tiles, glass mosaics, and natural stones from cracking or popping out when exposed to intense heat, heavy rain, or freezing conditions. It complies strictly with the demanding standards of \u003cb\u003eIS 15477:2019 Type 3 'T'\u003c\/b\u003e (Indian Standard) and global \u003cb\u003eEN 12004 \/ ISO 13007 Class C2TE\u003c\/b\u003e classifications.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eAdvanced Weather \u0026amp; Heat Ageing Resistance:\u003c\/b\u003e Formulated to sustain structural integrity in high-temperature environments, making it ideal for external building facades, terraces, saunas, spas, and swimming pools.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eHigh-Grab Sag Resistance ('T'):\u003c\/b\u003e Features an exceptional anti-slip formula that prevents heavy, large-format tiles and stones from sliding or sagging when installed on vertical exterior walls.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eExtended Open \u0026amp; Adjustability Time ('E'):\u003c\/b\u003e Offers a generous open time of \u003cb\u003eminimum 30 to 40 minutes\u003c\/b\u003e, giving masons adequate time to place, level, and adjust tiles perfectly even under dry outdoor conditions.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eShock \u0026amp; Vibration Absorption:\u003c\/b\u003e Highly polymer-modified matrix acts as a cushion, allowing the adhesive bed to accommodate minor structural movements, dynamic shocks, and heavy commercial foot traffic.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eWaterproof \u0026amp; Submerged Stability:\u003c\/b\u003e Forms a highly dense, low-permeability crystalline structure that remains strong and stable under continuous water immersion.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eLow VOC Content:\u003c\/b\u003e Environmentally safe and certified with exceptionally low Volatile Organic Compounds (VOC), promoting cleaner air and healthier living.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePrimary Applications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eMaterials to Fix:\u003c\/b\u003e All types of ceramic tiles, vitrified tiles, porcelain slabs, glass mosaic tiles, large-format tiles, and heavy natural stones (like marble and granite).\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eCompatible Substrates:\u003c\/b\u003e Cement-based screeds, concrete slabs, sand-cement plasters\/renders, existing cured tile-on-tile layouts, brick masonry, and drywall sheets (such as cement or bison boards).\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eAreas of Use:\u003c\/b\u003e External wall cladding, open balconies, rooftops and terraces, swimming pools, fountains, jacuzzis, commercial high-traffic spaces, and internal wet\/dry zones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eThe Variants of Roff Extrofix Adhesive\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Roff Extrofix family is divided into two distinct product performance lines—the core \u003cb\u003eExtrofix (EFA)\u003c\/b\u003e series and the heavy-duty \u003cb\u003eExtrofix Ultra\u003c\/b\u003e series. Each tier features specific color options to match your material's aesthetic properties:\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e1. Core Roff Extrofix (EFA) Series — For General External and Wet Areas\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eCertified under \u003cb\u003eType 3 'T' (IS 15477)\u003c\/b\u003e and \u003cb\u003eC2TE (ISO 13007)\u003c\/b\u003e. This series is the flagship solution for balconies, swimming pools, and medium-height external installations.\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRoff T05 Extrofix Grey:\u003c\/b\u003e The default choice formulated with premium grey cement. It is ideal for general external floor tiling, dark-colored vitrified slabs, and regular natural stones like granite.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRoff T06 Extrofix White:\u003c\/b\u003e Formulated with a high-grade white cement base. It is highly recommended for translucent natural stones, light-colored marbles, and glass mosaic tiles, ensuring that the adhesive layer does not bleed or cast an unappealing dark shadow through the stone.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\u003ci\u003e(Note: Older legacy packaging lines or specific distributor networks may code these core variants as \u003cb\u003eT07 Grey\u003c\/b\u003e and \u003cb\u003eT08 White\u003c\/b\u003e).\u003c\/i\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e2. Roff Extrofix Ultra Series — For High-Rise Cladding and Highly Deformable Areas\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAn advanced, highly flexible, premium variant that achieves \u003cb\u003eType 4 'T' S1 (IS 15477)\u003c\/b\u003e and \u003cb\u003eC2TES1 (ISO 13007)\u003c\/b\u003e ratings. The \"S1\" designation signifies that the adhesive is highly deformable, meaning it can bend and flex under structural load or immense wind pressure without snapping.\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRoff T20 Extrofix Ultra Grey:\u003c\/b\u003e Engineered for installing jumbo-sized slabs and heavy tiles on high-rise building facades, industrial spaces, or areas subject to continuous heavy machinery vibrations.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eRoff T21 Extrofix Ultra White:\u003c\/b\u003e The premium white variant of the high-flexibility Ultra line. Designed for fixing massive premium white marbles, light quartzites, and artistic mosaic layouts on extreme heights and challenging exterior structural conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eTechnical Specifications (Quick Reference)\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable class=\"MsoNormalTable\" border=\"0\" cellspacing=\"4\" cellpadding=\"0\" style=\"mso-cellspacing: 1.5pt; mso-yfti-tbllook: 1184;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"mso-yfti-irow: 0; mso-yfti-firstrow: yes;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eProperty\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCore Extrofix (T05\/T06) Value\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eExtrofix Ultra (T20\/T21) Value\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"mso-yfti-irow: 1;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eMixing Ratio (Powder : Water)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eGrey — 1 : 0.28 \/ White — 1 : 0.32\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eGrey — 1 : 0.28 \/ White — 1 : 0.32\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 2;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePot Life\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eApprox. 120 Minutes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eMinimum 120 Minutes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 3;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eOpen Time \/ Adjustability\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eMinimum 30 Minutes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eMinimum 40 Minutes\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 4;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eTensile Adhesion (28 Days Dry)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e$\\geq 1.0\\text{ N\/mm}^2$\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e$\\geq 1.6\\text{ N\/mm}^2$\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 5;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eTransverse Deformation (S1)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003eN\/A (Standard Flexible)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e$\\geq 2.5\\text{ mm}$ to $\u0026lt; 5\\text{ mm}$ (Highly Deformable)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 6;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eAdhesive Bed Thickness\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e3 mm to 12 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e3 mm to 12 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"mso-yfti-irow: 7; mso-yfti-lastrow: yes;\"\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCoverage (Per 20 Kg Bag)\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e~5 to 6 sq. m (at 3 mm bed thickness)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"border: solid #C4C7C5 1.0pt; mso-border-alt: solid #C4C7C5 .75pt; padding: 6.0pt 9.0pt 6.0pt 9.0pt;\"\u003e\n\u003cp class=\"MsoNormal\"\u003e~5 to 6 sq. m (at 3 mm bed thickness)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eApplication Instructions\u003c\/b\u003e\u003c\/p\u003e\n\u003col style=\"margin-top: 0cm;\" start=\"1\" type=\"1\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eSurface Preparation:\u003c\/b\u003e The base concrete or plaster substrate must be clean, structurally sound, level, and free of laitance, oil, or loose debris. Slightly dampen dry or dusty surfaces before application, clearing off any standing water pools.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eMixing:\u003c\/b\u003e Slowly add the Extrofix powder to the measured clean water. Use a slow-speed mechanical stirrer to blend for 3 to 5 minutes until a creamy, lump-free paste is formed. Let the mix rest for 2–3 minutes, then remix briefly before applying.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eTroweling:\u003c\/b\u003e Comb the adhesive evenly onto the substrate using an appropriately sized \u003cb\u003enotched trowel\u003c\/b\u003e. Avoid spreading more than what can be tiled within 15–20 minutes to prevent skinning.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eTile Fixing:\u003c\/b\u003e Press the tile or stone firmly into the combed adhesive bed with a slight twisting movement. Tap gently with a rubber mallet to achieve 100% back-bedding coverage and completely eliminate hollow air gaps. Leave uniform joints utilizing tile spacers.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eGrouting:\u003c\/b\u003e Allow the installation to cure for at least 24 hours before opening to light foot traffic or initiating joint grouting.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Build Kingdom","offers":[{"title":"Default Title","offer_id":54248020181267,"sku":null,"price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2056\/0147\/files\/RoffExtrofixUltraAdhesiveT20.png?v=1780839853","url":"https:\/\/buildkingdom.in\/kn\/products\/roff-extrofix-ultra-adhesive-t20-t21","provider":"Build Kingdom","version":"1.0","type":"link"}