{"product_id":"riw-cementseal-primer-5l","title":"RIW Cementseal Primer 5L","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"33\" data-start=\"0\" data-section-id=\"16p41j\"\u003eRIW Cementseal Primer 5 Litres\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-end=\"475\" data-start=\"35\"\u003eRIW Cementseal Primer is a premium water-based acrylic copolymer primer and curing agent designed to prepare concrete and masonry substrates before the application of cementitious waterproof coatings and mortars. This multi-functional primer stabilises porous surfaces, prevents out-gassing and improves the bond between the substrate and waterproofing systems, ensuring reliable long-term performance.\u003c\/p\u003e\n\u003cp data-end=\"941\" data-start=\"477\"\u003eSuitable for both new and existing concrete, Cementseal Primer also acts as an effective curing membrane for freshly applied cement-based mortars and coatings by reducing water evaporation during the curing process. It can also be used to reduce the leaching of free lime and mineral salts before the installation of cavity drainage membranes, making it an essential preparation product for professional waterproofing systems.\u003c\/p\u003e\n\u003cp data-end=\"941\" data-start=\"477\"\u003e\u003cimg alt=\"Water-based acrylic primer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/CEMENTSEALPRIMER.jpg?v=1784808018\"\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"958\" data-start=\"943\" data-section-id=\"17xbmye\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul data-end=\"1409\" data-start=\"960\"\u003e\n\u003cli data-end=\"998\" data-start=\"960\" data-section-id=\"1tde9j7\"\u003eWater-based acrylic copolymer primer\u003c\/li\u003e\n\u003cli data-end=\"1041\" data-start=\"999\" data-section-id=\"1lvis78\"\u003eMulti-functional primer and curing agent\u003c\/li\u003e\n\u003cli data-end=\"1082\" data-start=\"1042\" data-section-id=\"mk1lxf\"\u003eSuitable for damp concrete and masonry\u003c\/li\u003e\n\u003cli data-end=\"1133\" data-start=\"1083\" data-section-id=\"srr58a\"\u003ePrevents out-gassing beneath waterproof coatings\u003c\/li\u003e\n\u003cli data-end=\"1180\" data-start=\"1134\" data-section-id=\"ok2m9b\"\u003eSeals porous concrete and masonry substrates\u003c\/li\u003e\n\u003cli data-end=\"1234\" data-start=\"1181\" data-section-id=\"9536s4\"\u003eAssists curing of cement-based mortars and coatings\u003c\/li\u003e\n\u003cli data-end=\"1278\" data-start=\"1235\" data-section-id=\"84phpa\"\u003eHelps reduce free lime and salt migration\u003c\/li\u003e\n\u003cli data-end=\"1316\" data-start=\"1279\" data-section-id=\"wbmy20\"\u003eReady to use – no dilution required\u003c\/li\u003e\n\u003cli data-end=\"1343\" data-start=\"1317\" data-section-id=\"1l5j1du\"\u003eEnvironmentally friendly\u003c\/li\u003e\n\u003cli data-end=\"1367\" data-start=\"1344\" data-section-id=\"1sfgv2l\"\u003eLow odour formulation\u003c\/li\u003e\n\u003cli data-end=\"1409\" data-start=\"1368\" data-section-id=\"1h8opww\"\u003eEasy brush, roller or spray application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1426\" data-start=\"1411\" data-section-id=\"mu966k\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-end=\"1758\" data-start=\"1428\"\u003e\n\u003cli data-end=\"1473\" data-start=\"1428\" data-section-id=\"14j4nbk\"\u003ePrimer for cementitious waterproof coatings\u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1474\" data-section-id=\"1cuzaif\"\u003ePrimer for waterproof mortars\u003c\/li\u003e\n\u003cli data-end=\"1523\" data-start=\"1506\" data-section-id=\"1msfq83\"\u003eConcrete sealer\u003c\/li\u003e\n\u003cli data-end=\"1540\" data-start=\"1524\" data-section-id=\"1r8gnrl\"\u003eMasonry sealer\u003c\/li\u003e\n\u003cli data-end=\"1577\" data-start=\"1541\" data-section-id=\"f1rmtj\"\u003eBasement waterproofing preparation\u003c\/li\u003e\n\u003cli data-end=\"1622\" data-start=\"1578\" data-section-id=\"42jqkr\"\u003eCuring membrane for fresh concrete repairs\u003c\/li\u003e\n\u003cli data-end=\"1651\" data-start=\"1623\" data-section-id=\"1um3i26\"\u003eConcrete floor preparation\u003c\/li\u003e\n\u003cli data-end=\"1684\" data-start=\"1652\" data-section-id=\"1u9iuop\"\u003eWaterproof coating preparation\u003c\/li\u003e\n\u003cli data-end=\"1723\" data-start=\"1685\" data-section-id=\"10watyl\"\u003eCavity drainage membrane preparation\u003c\/li\u003e\n\u003cli data-end=\"1758\" data-start=\"1724\" data-section-id=\"p9t22a\"\u003eStructural waterproofing systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1784\" data-start=\"1760\" data-section-id=\"1uhri7u\"\u003eTechnical Information\u003c\/h3\u003e\n\u003cul data-end=\"2229\" data-start=\"1786\"\u003e\n\u003cli data-end=\"1855\" data-start=\"1786\" data-section-id=\"1cwxcbg\"\u003eProduct Type: Water-based acrylic copolymer primer and curing agent\u003c\/li\u003e\n\u003cli data-end=\"1888\" data-start=\"1856\" data-section-id=\"1uif68t\"\u003eAppearance: Milky white liquid\u003c\/li\u003e\n\u003cli data-end=\"1910\" data-start=\"1889\" data-section-id=\"1y75t1q\"\u003ePack Size: 5 Litres\u003c\/li\u003e\n\u003cli data-end=\"1938\" data-start=\"1911\" data-section-id=\"107ypxv\"\u003eCoverage: 5–7m² per litre\u003c\/li\u003e\n\u003cli data-end=\"1974\" data-start=\"1939\" data-section-id=\"pyodwd\"\u003ePrimer Drying Time: 30–90 minutes\u003c\/li\u003e\n\u003cli data-end=\"2030\" data-start=\"1975\" data-section-id=\"qzvlbj\"\u003eCuring Membrane Drying Time: Approximately 15 minutes\u003c\/li\u003e\n\u003cli data-end=\"2040\" data-start=\"2031\" data-section-id=\"4phtiu\"\u003epH: 7–8\u003c\/li\u003e\n\u003cli data-end=\"2083\" data-start=\"2041\" data-section-id=\"7y95sm\"\u003eFlash Point: Non-flammable (liquid form)\u003c\/li\u003e\n\u003cli data-end=\"2123\" data-start=\"2084\" data-section-id=\"cttpkv\"\u003eApplication Temperature: Minimum +5°C\u003c\/li\u003e\n\u003cli data-end=\"2147\" data-start=\"2124\" data-section-id=\"1isbcgw\"\u003eShelf Life: 12 months\u003c\/li\u003e\n\u003cli data-end=\"2229\" data-start=\"2148\" data-section-id=\"marr5a\"\u003eApplication: Ready to use – do not dilute\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2260\" data-start=\"2231\" data-section-id=\"1r8frcv\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp data-end=\"2305\" data-start=\"2262\"\u003e\u003cstrong data-end=\"2305\" data-start=\"2262\"\u003eWhat is RIW Cementseal Primer used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2529\" data-start=\"2307\"\u003eIt is used to prime concrete and masonry before applying cement-based waterproof coatings and mortars, while also acting as a curing membrane for freshly applied cementitious products.\u003c\/p\u003e\n\u003cp data-end=\"2585\" data-start=\"2531\"\u003e\u003cstrong data-end=\"2585\" data-start=\"2531\"\u003eCan Cementseal Primer be applied to damp surfaces?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2731\" data-start=\"2587\"\u003eYes. It is specifically designed for application to saturated surface-dry concrete and masonry substrates.\u003c\/p\u003e\n\u003cp data-end=\"2767\" data-start=\"2733\"\u003e\u003cstrong data-end=\"2767\" data-start=\"2733\"\u003eDoes the primer need diluting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2894\" data-start=\"2769\"\u003eNo. Cementseal Primer is supplied ready for use and should be applied without dilution.\u003c\/p\u003e\n\u003cp data-end=\"2953\" data-start=\"2896\"\u003e\u003cstrong data-end=\"2953\" data-start=\"2896\"\u003eHow much coverage does one 5-litre container provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3131\" data-start=\"2955\"\u003eCoverage is approximately \u003cstrong data-end=\"3000\" data-start=\"2981\"\u003e5–7m² per litre\u003c\/strong\u003e, depending on the substrate, providing up to \u003cstrong data-end=\"3068\" data-start=\"3046\"\u003e35m² per container\u003c\/strong\u003e under normal conditions.\u003c\/p\u003e\n\u003cp data-end=\"3173\" data-start=\"3133\"\u003e\u003cstrong data-end=\"3173\" data-start=\"3133\"\u003eCan it be used as a curing membrane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3344\" data-start=\"3175\"\u003eYes. It helps reduce moisture loss from freshly applied cement-based mortars and waterproof coatings, improving the curing process.\u003c\/p\u003e\n\u003cp data-start=\"2932\" data-end=\"3050\"\u003eDownloads\u003c\/p\u003e\n\u003cp data-start=\"2932\" data-end=\"3050\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/EEWsGucM4bLoJhMt1Qiyk2rw57DNYp03lC8enNW4.pdf?v=1784808066\" title=\"RIW Cementseal Primer 5L Data Sheet\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"RIW","offers":[{"title":"5L","offer_id":57318673842551,"sku":"RIWCEMENTSEALP5","price":100.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/CEMENTSEALPRIMER.jpg?v=1784808018","url":"https:\/\/clevershieldcoatings.co.uk\/products\/riw-cementseal-primer-5l","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}