{"product_id":"sika-1-pre-bag-render-mortar","title":"Sika®-1 Pre-bag Cementitious Waterproof Render","description":"\u003ch2 data-section-id=\"1dtpdpg\" data-start=\"118\" data-end=\"191\"\u003eSika®-1 Pre-bag Render Mortar – Structural Waterproofing Render System\u003c\/h2\u003e\n\u003cp data-start=\"193\" data-end=\"350\"\u003e\u003cstrong data-start=\"193\" data-end=\"226\"\u003eSika®-1 Pre-bag Render Mortar\u003c\/strong\u003e is a \u003cstrong data-start=\"232\" data-end=\"277\"\u003epre-bagged cementitious waterproof render\u003c\/strong\u003e designed for use within the \u003cstrong data-start=\"306\" data-end=\"349\"\u003eSika®-1 structural waterproofing system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"523\"\u003eBlended with \u003cstrong data-start=\"365\" data-end=\"424\"\u003egraded aggregates, cement, and waterproofing admixtures\u003c\/strong\u003e, it creates a \u003cstrong data-start=\"439\" data-end=\"474\"\u003efully bonded waterproof barrier\u003c\/strong\u003e for below-ground and water-retaining structures.\u003c\/p\u003e\n\u003cp data-start=\"352\" data-end=\"523\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/sika-r-1-pre-bag-cementitious-waterproof-render.webp?v=1789936498\" alt=\"Sika 1 Pre bag Render Mortar waterproofing render product packaging\" data-original=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/Sika_-1Pre-bagRenderMortar.webp?v=1774534207\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003chr data-start=\"525\" data-end=\"528\"\u003e\n\u003ch3 data-section-id=\"9ygnyw\" data-start=\"530\" data-end=\"560\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-start=\"562\" data-end=\"1108\"\u003e\n\u003cli data-section-id=\"1ybsjtl\" data-start=\"562\" data-end=\"626\"\u003e\n\u003cstrong data-start=\"564\" data-end=\"595\"\u003eType A waterproofing system\u003c\/strong\u003e – compliant with BS8102:2022\u003c\/li\u003e\n\u003cli data-section-id=\"1ril7c0\" data-start=\"627\" data-end=\"690\"\u003e\n\u003cstrong data-start=\"629\" data-end=\"664\"\u003eFully bonded waterproof barrier\u003c\/strong\u003e – resists water ingress\u003c\/li\u003e\n\u003cli data-section-id=\"1eh0jfl\" data-start=\"691\" data-end=\"763\"\u003e\n\u003cstrong data-start=\"693\" data-end=\"727\"\u003eHydrostatic pressure resistant\u003c\/strong\u003e – proven performance below ground\u003c\/li\u003e\n\u003cli data-section-id=\"1qw0ytf\" data-start=\"764\" data-end=\"833\"\u003e\n\u003cstrong data-start=\"766\" data-end=\"796\"\u003ePre-bagged for consistency\u003c\/strong\u003e – reliable mix and quality control\u003c\/li\u003e\n\u003cli data-section-id=\"1dr9632\" data-start=\"834\" data-end=\"901\"\u003e\n\u003cstrong data-start=\"836\" data-end=\"873\"\u003eCan be applied to damp substrates\u003c\/strong\u003e – ideal for refurbishment\u003c\/li\u003e\n\u003cli data-section-id=\"gx04zv\" data-start=\"902\" data-end=\"968\"\u003e\n\u003cstrong data-start=\"904\" data-end=\"931\"\u003eInternal \u0026amp; external use\u003c\/strong\u003e – versatile waterproofing solution\u003c\/li\u003e\n\u003cli data-section-id=\"iksx9m\" data-start=\"969\" data-end=\"1041\"\u003e\n\u003cstrong data-start=\"971\" data-end=\"1007\"\u003eSuitable for multiple substrates\u003c\/strong\u003e – concrete, brick and blockwork\u003c\/li\u003e\n\u003cli data-section-id=\"1yubavv\" data-start=\"1042\" data-end=\"1108\"\u003e\n\u003cstrong data-start=\"1044\" data-end=\"1068\"\u003eHigh strength mortar\u003c\/strong\u003e – up to 80 N\/mm² compressive strength\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1110\" data-end=\"1113\"\u003e\n\u003ch3 data-section-id=\"ynhia3\" data-start=\"1115\" data-end=\"1135\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"1137\" data-end=\"1180\"\u003eSika®-1 Pre-bag Render Mortar is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"1182\" data-end=\"1477\"\u003e\n\u003cli data-section-id=\"uq4v7k\" data-start=\"1182\" data-end=\"1223\"\u003e\u003cstrong data-start=\"1184\" data-end=\"1221\"\u003eBasement and cellar waterproofing\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1twnbyx\" data-start=\"1224\" data-end=\"1275\"\u003e\n\u003cstrong data-start=\"1226\" data-end=\"1253\"\u003eBelow-ground structures\u003c\/strong\u003e (BS8102 Grades 1–3)\u003c\/li\u003e\n\u003cli data-section-id=\"2z4ioq\" data-start=\"1276\" data-end=\"1329\"\u003e\u003cstrong data-start=\"1278\" data-end=\"1327\"\u003eSwimming pools and water-retaining structures\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"3q0nvh\" data-start=\"1330\" data-end=\"1373\"\u003e\u003cstrong data-start=\"1332\" data-end=\"1371\"\u003eTunnels, vaults and retaining walls\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1qe66w6\" data-start=\"1374\" data-end=\"1477\"\u003eWaterproofing of \u003cstrong data-start=\"1393\" data-end=\"1437\"\u003econcrete, brick and blockwork substrates\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1479\" data-end=\"1482\"\u003e\n\u003ch3 data-section-id=\"1ygxhwh\" data-start=\"1484\" data-end=\"1509\"\u003eTechnical Overview\u003c\/h3\u003e\n\u003cul data-start=\"1511\" data-end=\"1897\"\u003e\n\u003cli data-section-id=\"4e6v3j\" data-start=\"1511\" data-end=\"1562\"\u003e\n\u003cstrong data-start=\"1513\" data-end=\"1522\"\u003eType:\u003c\/strong\u003e Cementitious waterproof render mortar\u003c\/li\u003e\n\u003cli data-section-id=\"ea8s2k\" data-start=\"1563\" data-end=\"1618\"\u003e\n\u003cstrong data-start=\"1565\" data-end=\"1576\"\u003eSystem:\u003c\/strong\u003e Sika®-1 Structural Waterproofing System\u003c\/li\u003e\n\u003cli data-section-id=\"l8mksu\" data-start=\"1619\" data-end=\"1658\"\u003e\n\u003cstrong data-start=\"1621\" data-end=\"1646\"\u003eCompressive Strength:\u003c\/strong\u003e ~80 N\/mm²\u003c\/li\u003e\n\u003cli data-section-id=\"ffth3x\" data-start=\"1659\" data-end=\"1697\"\u003e\n\u003cstrong data-start=\"1661\" data-end=\"1683\"\u003eFlexural Strength:\u003c\/strong\u003e ~11.4 N\/mm²\u003c\/li\u003e\n\u003cli data-section-id=\"5qnl55\" data-start=\"1698\" data-end=\"1726\"\u003e\n\u003cstrong data-start=\"1700\" data-end=\"1712\"\u003eDensity:\u003c\/strong\u003e ~2200 kg\/m³\u003c\/li\u003e\n\u003cli data-section-id=\"17exd9g\" data-start=\"1727\" data-end=\"1772\"\u003e\n\u003cstrong data-start=\"1729\" data-end=\"1742\"\u003eCoverage:\u003c\/strong\u003e ~2 m² at 6 mm per 25 kg bag\u003c\/li\u003e\n\u003cli data-section-id=\"stttcl\" data-start=\"1773\" data-end=\"1823\"\u003e\n\u003cstrong data-start=\"1775\" data-end=\"1789\"\u003eMix Ratio:\u003c\/strong\u003e ~3.1 litres water per 25 kg bag\u003c\/li\u003e\n\u003cli data-section-id=\"y3op44\" data-start=\"1824\" data-end=\"1897\"\u003e\n\u003cstrong data-start=\"1826\" data-end=\"1836\"\u003eYield:\u003c\/strong\u003e ~12.3 litres per bag \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1899\" data-end=\"1902\"\u003e\n\u003ch3 data-section-id=\"mr0cl\" data-start=\"1904\" data-end=\"1952\"\u003eWhy Choose Sika®-1 Pre-bag Render Mortar?\u003c\/h3\u003e\n\u003cp data-start=\"1954\" data-end=\"2213\"\u003eThis product provides a \u003cstrong data-start=\"1978\" data-end=\"2011\"\u003eproven waterproofing solution\u003c\/strong\u003e for structures exposed to water pressure. Its \u003cstrong data-start=\"2058\" data-end=\"2109\"\u003emulti-coat system compatibility and strong bond\u003c\/strong\u003e ensure \u003cstrong data-start=\"2117\" data-end=\"2141\"\u003elong-term protection\u003c\/strong\u003e, making it a trusted choice for professional waterproofing contractors.\u003c\/p\u003e\n\u003chr data-start=\"2215\" data-end=\"2218\"\u003e\n\u003ch2 data-section-id=\"1qsfy1n\" data-start=\"2220\" data-end=\"2256\"\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1s64u9l\" data-start=\"2258\" data-end=\"2312\"\u003e❓ What is Sika-1 Pre-bag Render Mortar used for?\u003c\/h3\u003e\n\u003cp data-start=\"2313\" data-end=\"2404\"\u003eIt is used for \u003cstrong data-start=\"2328\" data-end=\"2403\"\u003estructural waterproofing of below-ground and water-retaining structures\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"2406\" data-end=\"2409\"\u003e\n\u003ch3 data-section-id=\"tq0wgj\" data-start=\"2411\" data-end=\"2448\"\u003e❓ Is it suitable for basements?\u003c\/h3\u003e\n\u003cp data-start=\"2449\" data-end=\"2573\"\u003eYes, it is ideal for \u003cstrong data-start=\"2470\" data-end=\"2532\"\u003ebasements, cellars, and below-ground waterproofing systems\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2575\" data-end=\"2578\"\u003e\n\u003ch3 data-section-id=\"1szta58\" data-start=\"2580\" data-end=\"2623\"\u003e❓ Can it be applied to damp surfaces?\u003c\/h3\u003e\n\u003cp data-start=\"2624\" data-end=\"2764\"\u003eYes, it can be applied to \u003cstrong data-start=\"2650\" data-end=\"2676\"\u003ewet or damp substrates\u003c\/strong\u003e, making it suitable for refurbishment projects. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2766\" data-end=\"2769\"\u003e\n\u003ch3 data-section-id=\"2aoik5\" data-start=\"2771\" data-end=\"2815\"\u003e❓ Does it resist hydrostatic pressure?\u003c\/h3\u003e\n\u003cp data-start=\"2816\" data-end=\"2924\"\u003eYes, it provides \u003cstrong data-start=\"2833\" data-end=\"2883\"\u003eproven resistance to hydrostatic back pressure\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2926\" data-end=\"2929\"\u003e\n\u003ch3 data-section-id=\"15j77qa\" data-start=\"2931\" data-end=\"2973\"\u003e❓ What substrates can it be used on?\u003c\/h3\u003e\n\u003cp data-start=\"2974\" data-end=\"3078\"\u003eIt is suitable for \u003cstrong data-start=\"2993\" data-end=\"3037\"\u003econcrete, brick and structural blockwork\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"3080\" data-end=\"3083\"\u003e\n\u003ch3 data-section-id=\"4ro1l5\" data-start=\"3085\" data-end=\"3124\"\u003e❓ Is it internal or external use?\u003c\/h3\u003e\n\u003cp data-start=\"3125\" data-end=\"3242\"\u003eIt can be used for \u003cstrong data-start=\"3144\" data-end=\"3201\"\u003eboth internal and external waterproofing applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1varzog\" data-start=\"122\" data-end=\"200\"\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\/Sika_-1_Pre-bag_Render_Mortar_data_sheet.pdf?v=1774534226\" title=\"Sika®-1 Pre-bag Render Mortar Data Sheet\" aria-label=\"Visit a webpage about Sika®-1 Pre-bag Render Mortar 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":56936408744311,"sku":"SIKA-1PREBAGR25","price":52.5,"currency_code":"GBP","in_stock":true},{"title":"10 x 25kg","offer_id":56951400628599,"sku":"SIKA-1PREBAGRX10","price":498.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/sika-r-1-pre-bag-cementitious-waterproof-render.webp?v=1789936498","url":"https:\/\/clevershieldcoatings.co.uk\/products\/sika-1-pre-bag-render-mortar","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}