{"product_id":"natcem-35","title":"NATCEM 35 Fast Setting Waterproof Repair Mortar 25kg","description":"\u003ch2 data-section-id=\"oinm03\" data-start=\"99\" data-end=\"152\"\u003eNATCEM® 35 – \u003cmeta charset=\"utf-8\"\u003e\n\u003cstrong data-start=\"174\" data-end=\"234\"\u003e H\u003c\/strong\u003eigh-Strength Natural Cement Repair Mortar \u003c\/h2\u003e\n\u003cp data-start=\"154\" data-end=\"310\"\u003e\u003cstrong data-start=\"154\" data-end=\"168\"\u003eNATCEM® 35\u003c\/strong\u003e is a \u003cstrong data-start=\"174\" data-end=\"234\"\u003efast-setting, high-strength natural cement repair mortar\u003c\/strong\u003e designed for \u003cstrong data-start=\"248\" data-end=\"309\"\u003erapid repairs, waterproofing, and structural applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"312\" data-end=\"583\"\u003eFormulated with \u003cstrong data-start=\"328\" data-end=\"376\"\u003enatural cement binders and graded aggregates\u003c\/strong\u003e, it delivers \u003cstrong data-start=\"390\" data-end=\"463\"\u003erapid strength gain, excellent durability, and waterproof performance\u003c\/strong\u003e, even in demanding environments including \u003cstrong data-start=\"506\" data-end=\"542\"\u003eunderwater and marine conditions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"312\" data-end=\"583\"\u003e\u003cimg alt=\"Natcem 35 fast setting waterproof repair mortar product bag\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/natcem35.webp?v=1776111377\" loading=\"lazy\" data-original=\"https:\/\/clevershieldcoatings.co.uk\/cdn\/shop\/files\/natcem35.png?v=1774535231\"\u003e\u003c\/p\u003e\n\u003chr data-start=\"585\" data-end=\"588\"\u003e\n\u003ch3 data-section-id=\"9ygnyw\" data-start=\"590\" data-end=\"620\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"622\" data-end=\"1151\"\u003e\n\u003cli data-section-id=\"ltos41\" data-start=\"622\" data-end=\"691\"\u003e\n\u003cstrong data-start=\"624\" data-end=\"640\"\u003eFast setting\u003c\/strong\u003e – initial set ~35 minutes, final set ~40 minutes\u003c\/li\u003e\n\u003cli data-section-id=\"1y4o9cn\" data-start=\"692\" data-end=\"756\"\u003e\n\u003cstrong data-start=\"694\" data-end=\"717\"\u003eRapid strength gain\u003c\/strong\u003e – up to ~56 MPa compressive strength\u003c\/li\u003e\n\u003cli data-section-id=\"1vq54v6\" data-start=\"757\" data-end=\"826\"\u003e\n\u003cstrong data-start=\"759\" data-end=\"780\"\u003eWaterproof mortar\u003c\/strong\u003e – suitable for wet and submerged conditions\u003c\/li\u003e\n\u003cli data-section-id=\"1jvnbz1\" data-start=\"827\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"829\" data-end=\"858\"\u003eCan be applied underwater\u003c\/strong\u003e – ideal for marine and repair work\u003c\/li\u003e\n\u003cli data-section-id=\"1299c7a\" data-start=\"896\" data-end=\"957\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"926\"\u003eEnvironmentally friendly\u003c\/strong\u003e – natural cement formulation\u003c\/li\u003e\n\u003cli data-section-id=\"oxqp6a\" data-start=\"958\" data-end=\"1029\"\u003e\n\u003cstrong data-start=\"960\" data-end=\"988\"\u003eHigh chemical resistance\u003c\/strong\u003e – suitable for aggressive environments\u003c\/li\u003e\n\u003cli data-section-id=\"uosush\" data-start=\"1030\" data-end=\"1075\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1049\"\u003eLow shrinkage\u003c\/strong\u003e – reduces cracking risk\u003c\/li\u003e\n\u003cli data-section-id=\"w75107\" data-start=\"1076\" data-end=\"1151\"\u003e\n\u003cstrong data-start=\"1078\" data-end=\"1112\"\u003eSuitable for potable water use\u003c\/strong\u003e – approved for public water supplies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1153\" data-end=\"1156\"\u003e\n\u003ch3 data-section-id=\"ynhia3\" data-start=\"1158\" data-end=\"1178\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"1180\" data-end=\"1204\"\u003eNATCEM® 35 is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"1206\" data-end=\"1600\"\u003e\n\u003cli data-section-id=\"bvbsgc\" data-start=\"1206\" data-end=\"1247\"\u003e\u003cstrong data-start=\"1208\" data-end=\"1245\"\u003eConcrete repair and reinstatement\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"btnvot\" data-start=\"1248\" data-end=\"1288\"\u003e\u003cstrong data-start=\"1250\" data-end=\"1286\"\u003eWaterproof rendering and screeds\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"18kd09v\" data-start=\"1289\" data-end=\"1322\"\u003e\u003cstrong data-start=\"1291\" data-end=\"1320\"\u003eGrouting and void filling\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1m2coox\" data-start=\"1323\" data-end=\"1381\"\u003eRepairs in \u003cstrong data-start=\"1336\" data-end=\"1379\"\u003emarine, coastal, and sewer environments\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2z4ioq\" data-start=\"1382\" data-end=\"1435\"\u003e\u003cstrong data-start=\"1384\" data-end=\"1433\"\u003eSwimming pools and water-retaining structures\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1m95gtb\" data-start=\"1436\" data-end=\"1499\"\u003e\u003cstrong data-start=\"1438\" data-end=\"1497\"\u003eHistoric building restoration and conservation projects\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1key5lk\" data-start=\"1500\" data-end=\"1600\"\u003eRepairs in \u003cstrong data-start=\"1513\" data-end=\"1560\"\u003erivers, canals, and underwater applications\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1602\" data-end=\"1605\"\u003e\n\u003ch3 data-section-id=\"1ygxhwh\" data-start=\"1607\" data-end=\"1632\"\u003eTechnical Overview\u003c\/h3\u003e\n\u003cul data-start=\"1634\" data-end=\"2064\"\u003e\n\u003cli data-section-id=\"anhv39\" data-start=\"1634\" data-end=\"1676\"\u003e\n\u003cstrong data-start=\"1636\" data-end=\"1645\"\u003eType:\u003c\/strong\u003e Natural cement repair mortar\u003c\/li\u003e\n\u003cli data-section-id=\"f3vtpv\" data-start=\"1677\" data-end=\"1717\"\u003e\n\u003cstrong data-start=\"1679\" data-end=\"1692\"\u003eSet Time:\u003c\/strong\u003e ~35–40 minutes at 20°C\u003c\/li\u003e\n\u003cli data-section-id=\"g7fr0u\" data-start=\"1718\" data-end=\"1765\"\u003e\n\u003cstrong data-start=\"1720\" data-end=\"1745\"\u003eCompressive Strength:\u003c\/strong\u003e ~56 MPa (28 days)\u003c\/li\u003e\n\u003cli data-section-id=\"kevw1b\" data-start=\"1766\" data-end=\"1811\"\u003e\n\u003cstrong data-start=\"1768\" data-end=\"1790\"\u003eFlexural Strength:\u003c\/strong\u003e ~7.5 MPa (approx.)\u003c\/li\u003e\n\u003cli data-section-id=\"1pmeg7u\" data-start=\"1812\" data-end=\"1849\"\u003e\n\u003cstrong data-start=\"1814\" data-end=\"1840\"\u003eApplication Thickness:\u003c\/strong\u003e ≥10 mm\u003c\/li\u003e\n\u003cli data-section-id=\"lixgwk\" data-start=\"1850\" data-end=\"1891\"\u003e\n\u003cstrong data-start=\"1852\" data-end=\"1862\"\u003eYield:\u003c\/strong\u003e ~12.5 litres per 25 kg bag\u003c\/li\u003e\n\u003cli data-section-id=\"1wxstam\" data-start=\"1892\" data-end=\"1934\"\u003e\n\u003cstrong data-start=\"1894\" data-end=\"1907\"\u003eCoverage:\u003c\/strong\u003e ~1 m² at 10 mm thickness\u003c\/li\u003e\n\u003cli data-section-id=\"16yd0xa\" data-start=\"1935\" data-end=\"1979\"\u003e\n\u003cstrong data-start=\"1937\" data-end=\"1965\"\u003eApplication Temperature:\u003c\/strong\u003e Down to 0°C\u003c\/li\u003e\n\u003cli data-section-id=\"gz8u9v\" data-start=\"1980\" data-end=\"2064\"\u003e\n\u003cstrong data-start=\"1982\" data-end=\"1996\"\u003eMix Ratio:\u003c\/strong\u003e ~3.6–4 litres water per bag \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2066\" data-end=\"2069\"\u003e\n\u003ch3 data-section-id=\"axx8x8\" data-start=\"2071\" data-end=\"2100\"\u003eWhy Choose NATCEM® 35?\u003c\/h3\u003e\n\u003cp data-start=\"2102\" data-end=\"2363\"\u003eNATCEM® 35 offers \u003cstrong data-start=\"2120\" data-end=\"2175\"\u003erapid repair capability with exceptional durability\u003c\/strong\u003e, making it ideal for projects where \u003cstrong data-start=\"2212\" data-end=\"2250\"\u003espeed and performance are critical\u003c\/strong\u003e. Its ability to \u003cstrong data-start=\"2267\" data-end=\"2319\"\u003eset underwater and perform in harsh environments\u003c\/strong\u003e sets it apart from standard repair mortars.\u003c\/p\u003e\n\u003chr data-start=\"2365\" data-end=\"2368\"\u003e\n\u003ch2 data-section-id=\"1qsfy1n\" data-start=\"2370\" data-end=\"2406\"\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\u003ch3 data-section-id=\"y1pd0w\" data-start=\"2408\" data-end=\"2443\"\u003e❓ What is NATCEM 35 used for?\u003c\/h3\u003e\n\u003cp data-start=\"2444\" data-end=\"2557\"\u003eIt is used for \u003cstrong data-start=\"2459\" data-end=\"2529\"\u003efast repairs, waterproofing, grouting, and structural applications\u003c\/strong\u003e, including underwater work.\u003c\/p\u003e\n\u003chr data-start=\"2559\" data-end=\"2562\"\u003e\n\u003ch3 data-section-id=\"1h1shmw\" data-start=\"2564\" data-end=\"2596\"\u003e❓ How quickly does it set?\u003c\/h3\u003e\n\u003cp data-start=\"2597\" data-end=\"2715\"\u003eIt starts setting at around \u003cstrong data-start=\"2625\" data-end=\"2666\"\u003e35 minutes and finishes at 40 minutes\u003c\/strong\u003e at 20°C. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2717\" data-end=\"2720\"\u003e\n\u003ch3 data-section-id=\"13f1ipy\" data-start=\"2722\" data-end=\"2756\"\u003e❓ Can it be used underwater?\u003c\/h3\u003e\n\u003cp data-start=\"2757\" data-end=\"2864\"\u003eYes, it is specifically designed to \u003cstrong data-start=\"2793\" data-end=\"2823\"\u003eset and perform underwater\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2866\" data-end=\"2869\"\u003e\n\u003ch3 data-section-id=\"i3o1j5\" data-start=\"2871\" data-end=\"2926\"\u003e❓ Is it suitable for drinking water applications?\u003c\/h3\u003e\n\u003cp data-start=\"2927\" data-end=\"3024\"\u003eYes, it is \u003cstrong data-start=\"2938\" data-end=\"2983\"\u003eapproved for use in public water supplies\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3026\" data-end=\"3029\"\u003e\n\u003ch3 data-section-id=\"18exepc\" data-start=\"3031\" data-end=\"3075\"\u003e❓ What thickness can it be applied at?\u003c\/h3\u003e\n\u003cp data-start=\"3076\" data-end=\"3173\"\u003eIt should be applied at a \u003cstrong data-start=\"3102\" data-end=\"3132\"\u003eminimum thickness of 10 mm\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3175\" data-end=\"3178\"\u003e\n\u003ch3 data-section-id=\"166k7mv\" data-start=\"3180\" data-end=\"3219\"\u003e❓ Is it environmentally friendly?\u003c\/h3\u003e\n\u003cp data-start=\"3220\" data-end=\"3349\"\u003eYes, it is made with \u003cstrong data-start=\"3241\" data-end=\"3308\"\u003enatural cement and designed for environmentally sensitive areas\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 data-section-id=\"lj8olt\" data-start=\"103\" data-end=\"170\"\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\/natcem_35_data_sheet.pdf?v=1774535251\" title=\"NATCEM 35 Data Sheet\" aria-label=\"Visit a webpage about NATCEM 35 Data Sheet\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Clever Shield","offers":[{"title":"NATCEM 35 – 25kg","offer_id":56936438104439,"sku":"NATCEM35","price":43.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/natcem35.webp?v=1776111377","url":"https:\/\/clevershieldcoatings.co.uk\/products\/natcem-35","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}