{"product_id":"fastfill-4802-25kg","title":"Fastfill (4802) 25KG","description":"\u003ch2 data-section-id=\"1lufrx3\" data-start=\"109\" data-end=\"173\"\u003eFastfill – R4 Rapid Setting Structural Concrete Repair Mortar\u003c\/h2\u003e\n\u003cp data-start=\"175\" data-end=\"346\"\u003e\u003cstrong data-start=\"175\" data-end=\"187\"\u003eFastfill\u003c\/strong\u003e is a \u003cstrong data-start=\"193\" data-end=\"269\"\u003erapid setting, fibre reinforced, polymer-modified concrete repair mortar\u003c\/strong\u003e designed for \u003cstrong data-start=\"283\" data-end=\"345\"\u003ehigh strength structural repairs in demanding environments\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"348\" data-end=\"589\"\u003eClassified as \u003cstrong data-start=\"362\" data-end=\"381\"\u003eR4 to EN 1504-3\u003c\/strong\u003e, it delivers \u003cstrong data-start=\"395\" data-end=\"465\"\u003eexceptional early strength, durability, and waterproof performance\u003c\/strong\u003e, making it ideal for \u003cstrong data-start=\"487\" data-end=\"548\"\u003eroads, bridges, marine structures, and heavy-duty repairs\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"348\" data-end=\"589\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/fastfill.webp?v=1776111405\" alt=\"Fastfill R4 rapid setting concrete repair mortar product bag\" loading=\"lazy\" data-original=\"https:\/\/clevershieldcoatings.co.uk\/cdn\/shop\/files\/fastfill.png?v=1774866682\"\u003e\u003c\/p\u003e\n\u003chr data-start=\"591\" data-end=\"594\"\u003e\n\u003ch3 data-section-id=\"9ygnyw\" data-start=\"596\" data-end=\"626\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"628\" data-end=\"1158\"\u003e\n\u003cli data-section-id=\"1a2u19p\" data-start=\"628\" data-end=\"708\"\u003e\n\u003cstrong data-start=\"630\" data-end=\"661\"\u003eR4 structural repair mortar\u003c\/strong\u003e – high strength and load-bearing performance\u003c\/li\u003e\n\u003cli data-section-id=\"c80sz7\" data-start=\"709\" data-end=\"760\"\u003e\n\u003cstrong data-start=\"711\" data-end=\"728\"\u003eRapid setting\u003c\/strong\u003e – sets in ~10 minutes at 20°C\u003c\/li\u003e\n\u003cli data-section-id=\"1vt56za\" data-start=\"761\" data-end=\"831\"\u003e\n\u003cstrong data-start=\"763\" data-end=\"789\"\u003eFast return to service\u003c\/strong\u003e – traffic-ready in as little as 2 hours\u003c\/li\u003e\n\u003cli data-section-id=\"1jxjviv\" data-start=\"832\" data-end=\"899\"\u003e\n\u003cstrong data-start=\"834\" data-end=\"854\"\u003eFibre reinforced\u003c\/strong\u003e – enhanced durability and crack resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1gt8ls5\" data-start=\"900\" data-end=\"959\"\u003e\n\u003cstrong data-start=\"902\" data-end=\"927\"\u003eShrinkage compensated\u003c\/strong\u003e – ensures long-term stability\u003c\/li\u003e\n\u003cli data-section-id=\"ngnkpx\" data-start=\"960\" data-end=\"1032\"\u003e\n\u003cstrong data-start=\"962\" data-end=\"997\"\u003eWaterproof and low permeability\u003c\/strong\u003e – protects against water ingress\u003c\/li\u003e\n\u003cli data-section-id=\"jlmrql\" data-start=\"1033\" data-end=\"1097\"\u003e\n\u003cstrong data-start=\"1035\" data-end=\"1073\"\u003eNo primer required (in most cases)\u003c\/strong\u003e – faster installation\u003c\/li\u003e\n\u003cli data-section-id=\"582db\" data-start=\"1098\" data-end=\"1158\"\u003e\n\u003cstrong data-start=\"1100\" data-end=\"1131\"\u003eWorks in extreme conditions\u003c\/strong\u003e – suitable down to -10°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1160\" data-end=\"1163\"\u003e\n\u003ch3 data-section-id=\"ynhia3\" data-start=\"1165\" data-end=\"1185\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"1187\" data-end=\"1209\"\u003eFastfill is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"1211\" data-end=\"1538\"\u003e\n\u003cli data-section-id=\"dbamei\" data-start=\"1211\" data-end=\"1245\"\u003e\u003cstrong data-start=\"1213\" data-end=\"1243\"\u003eHighway and runway repairs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"bnvw2a\" data-start=\"1246\" data-end=\"1298\"\u003e\u003cstrong data-start=\"1248\" data-end=\"1296\"\u003eBridge decks and structural concrete repairs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"xity95\" data-start=\"1299\" data-end=\"1345\"\u003e\u003cstrong data-start=\"1301\" data-end=\"1343\"\u003eIndustrial floors and heavy wear areas\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1gr2xff\" data-start=\"1346\" data-end=\"1383\"\u003e\u003cstrong data-start=\"1348\" data-end=\"1381\"\u003eMarine and tidal zone repairs\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1xan25w\" data-start=\"1384\" data-end=\"1438\"\u003e\u003cstrong data-start=\"1386\" data-end=\"1436\"\u003eConcrete repairs in potable water environments\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"y16wdd\" data-start=\"1439\" data-end=\"1538\"\u003eRapid repairs to \u003cstrong data-start=\"1458\" data-end=\"1498\"\u003efootpaths, slabs, and infrastructure\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1540\" data-end=\"1543\"\u003e\n\u003ch3 data-section-id=\"1ygxhwh\" data-start=\"1545\" data-end=\"1570\"\u003eTechnical Overview\u003c\/h3\u003e\n\u003cul data-start=\"1572\" data-end=\"2071\"\u003e\n\u003cli data-section-id=\"1oekpvz\" data-start=\"1572\" data-end=\"1633\"\u003e\n\u003cstrong data-start=\"1574\" data-end=\"1583\"\u003eType:\u003c\/strong\u003e Polymer-modified fibre reinforced repair mortar\u003c\/li\u003e\n\u003cli data-section-id=\"jqs4vq\" data-start=\"1634\" data-end=\"1672\"\u003e\n\u003cstrong data-start=\"1636\" data-end=\"1655\"\u003eClassification:\u003c\/strong\u003e R4 (EN 1504-3)\u003c\/li\u003e\n\u003cli data-section-id=\"5lw163\" data-start=\"1673\" data-end=\"1720\"\u003e\n\u003cstrong data-start=\"1675\" data-end=\"1700\"\u003eCompressive Strength:\u003c\/strong\u003e ~60 MPa (28 days)\u003c\/li\u003e\n\u003cli data-section-id=\"1247l19\" data-start=\"1721\" data-end=\"1781\"\u003e\n\u003cstrong data-start=\"1723\" data-end=\"1742\"\u003eEarly Strength:\u003c\/strong\u003e ~14 MPa (1 hour), ~40 MPa (24 hours)\u003c\/li\u003e\n\u003cli data-section-id=\"18btmmz\" data-start=\"1782\" data-end=\"1813\"\u003e\n\u003cstrong data-start=\"1784\" data-end=\"1802\"\u003eBond Strength:\u003c\/strong\u003e ~3.4 MPa\u003c\/li\u003e\n\u003cli data-section-id=\"miufjh\" data-start=\"1814\" data-end=\"1903\"\u003e\n\u003cstrong data-start=\"1816\" data-end=\"1836\"\u003eLayer Thickness:\u003c\/strong\u003e\n\u003cul data-start=\"1841\" data-end=\"1903\"\u003e\n\u003cli data-section-id=\"1ytru6c\" data-start=\"1841\" data-end=\"1868\"\u003e5 mm – 100 mm (typical)\u003c\/li\u003e\n\u003cli data-section-id=\"ryhq8e\" data-start=\"1871\" data-end=\"1903\"\u003eUp to 300 mm when bulked out\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"22rwgw\" data-start=\"1904\" data-end=\"1945\"\u003e\n\u003cstrong data-start=\"1906\" data-end=\"1923\"\u003eWorking Time:\u003c\/strong\u003e ~10 minutes at 20°C\u003c\/li\u003e\n\u003cli data-section-id=\"1x6nty2\" data-start=\"1946\" data-end=\"1991\"\u003e\n\u003cstrong data-start=\"1948\" data-end=\"1961\"\u003eCoverage:\u003c\/strong\u003e ~1.33 m² at 10 mm per 25 kg\u003c\/li\u003e\n\u003cli data-section-id=\"tjsbu6\" data-start=\"1992\" data-end=\"2071\"\u003e\n\u003cstrong data-start=\"1994\" data-end=\"2004\"\u003eYield:\u003c\/strong\u003e ~13.3 litres per 25 kg bag \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2073\" data-end=\"2186\"\u003e\u003cem data-start=\"2073\" data-end=\"2186\"\u003e(As shown in the technical table on page 3, Fastfill achieves rapid early strength with 14 MPa in just 1 hour.)\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"2188\" data-end=\"2191\"\u003e\n\u003ch3 data-section-id=\"170aqmz\" data-start=\"2193\" data-end=\"2220\"\u003eWhy Choose Fastfill?\u003c\/h3\u003e\n\u003cp data-start=\"2222\" data-end=\"2494\"\u003eFastfill is engineered for \u003cstrong data-start=\"2249\" data-end=\"2274\"\u003espeed and performance\u003c\/strong\u003e, allowing contractors to \u003cstrong data-start=\"2300\" data-end=\"2383\"\u003ecomplete structural repairs quickly without compromising strength or durability\u003c\/strong\u003e. Its \u003cstrong data-start=\"2389\" data-end=\"2429\"\u003erapid curing and early strength gain\u003c\/strong\u003e make it ideal for projects where \u003cstrong data-start=\"2463\" data-end=\"2493\"\u003edowntime must be minimised\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2496\" data-end=\"2499\"\u003e\n\u003ch2 data-section-id=\"1qsfy1n\" data-start=\"2501\" data-end=\"2537\"\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\u003ch3 data-section-id=\"2k4tnt\" data-start=\"2539\" data-end=\"2573\"\u003e❓ What is Fastfill used for?\u003c\/h3\u003e\n\u003cp data-start=\"2574\" data-end=\"2689\"\u003eIt is used for \u003cstrong data-start=\"2589\" data-end=\"2626\"\u003erapid structural concrete repairs\u003c\/strong\u003e, especially in high-traffic and critical infrastructure areas.\u003c\/p\u003e\n\u003chr data-start=\"2691\" data-end=\"2694\"\u003e\n\u003ch3 data-section-id=\"1h1shmw\" data-start=\"2696\" data-end=\"2728\"\u003e❓ How quickly does it set?\u003c\/h3\u003e\n\u003cp data-start=\"2729\" data-end=\"2817\"\u003eIt sets in approximately \u003cstrong data-start=\"2754\" data-end=\"2776\"\u003e10 minutes at 20°C\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2819\" data-end=\"2822\"\u003e\n\u003ch3 data-section-id=\"ivh0m8\" data-start=\"2824\" data-end=\"2867\"\u003e❓ When can the repaired area be used?\u003c\/h3\u003e\n\u003cp data-start=\"2868\" data-end=\"2986\"\u003eRepairs can be \u003cstrong data-start=\"2883\" data-end=\"2945\"\u003ewalked on after 1 hour and opened to traffic after 2 hours\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2988\" data-end=\"2991\"\u003e\n\u003ch3 data-section-id=\"105omvx\" data-start=\"2993\" data-end=\"3040\"\u003e❓ Is it suitable for marine environments?\u003c\/h3\u003e\n\u003cp data-start=\"3041\" data-end=\"3174\"\u003eYes, it is suitable for \u003cstrong data-start=\"3065\" data-end=\"3093\"\u003emarine and tidal repairs\u003c\/strong\u003e due to its rapid setting and durability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3176\" data-end=\"3179\"\u003e\n\u003ch3 data-section-id=\"1ge5ks7\" data-start=\"3181\" data-end=\"3214\"\u003e❓ Does it require a primer?\u003c\/h3\u003e\n\u003cp data-start=\"3215\" data-end=\"3321\"\u003eIn most cases, \u003cstrong data-start=\"3230\" data-end=\"3255\"\u003eno primer is required\u003c\/strong\u003e, speeding up application. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3323\" data-end=\"3326\"\u003e\n\u003ch3 data-section-id=\"1utbo9k\" data-start=\"3328\" data-end=\"3370\"\u003e❓ Can it be used in cold conditions?\u003c\/h3\u003e\n\u003cp data-start=\"3371\" data-end=\"3487\"\u003eYes, it can be applied in temperatures down to \u003cstrong data-start=\"3418\" data-end=\"3446\"\u003e-10°C (with precautions)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1dtpdpg\" data-start=\"118\" data-end=\"191\"\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eDownloads\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/PDS-Fastfill_Mar25_data_sheet.pdf?v=1774866537\" title=\"Fastfill Data Sheet\" aria-label=\"Visit a webpage about Fastfill Data Sheet\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Sika","offers":[{"title":"25kg","offer_id":56950507864439,"sku":"FASTFILLR425","price":66.72,"currency_code":"GBP","in_stock":true},{"title":"10 x 25kg","offer_id":56951157719415,"sku":"FASTFILLR410","price":632.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/fastfill.webp?v=1776111405","url":"https:\/\/clevershieldcoatings.co.uk\/products\/fastfill-4802-25kg","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}