{"product_id":"riw-liquid-asphaltic-composition-lac-25l","title":"RIW Liquid Asphaltic Composition (LAC) 25L","description":"\u003ch2 data-section-id=\"15vdzor\" data-start=\"0\" data-end=\"41\" class=\"PDq2pG_selectionAnchorContainer\"\u003eRIW Liquid Asphaltic Composition (LAC)\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"43\" data-end=\"392\"\u003eRIW Liquid Asphaltic Composition (LAC) is a cold-applied bitumen waterproofing membrane designed to provide long-lasting protection against water, water vapour and radon gas. Applied in two coats, it cures to form a seamless, flexible black membrane that is suitable for below-ground waterproofing, damp proofing and structural tanking applications.\u003c\/p\u003e\n\u003cp data-start=\"394\" data-end=\"845\"\u003eIdeal for new build and refurbishment projects, RIW LAC bonds to concrete, masonry and steel, creating a durable waterproof barrier for basements, foundations, retaining walls and ground floors. Its flexible formulation accommodates minor structural movement while maintaining excellent resistance to sulphates and moisture, making it suitable for Type A waterproofing systems designed in accordance with BS 8102.\u003c\/p\u003e\n\u003cp data-start=\"394\" data-end=\"845\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/riw.png?v=1784552480\" alt=\"RIW Liquid Asphaltic Composition LAC\"\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"17xbmye\" data-start=\"847\" data-end=\"862\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul data-start=\"864\" data-end=\"1410\"\u003e\n\u003cli data-section-id=\"9f7jyi\" data-start=\"864\" data-end=\"901\"\u003eCold-applied waterproofing membrane\u003c\/li\u003e\n\u003cli data-section-id=\"jqino1\" data-start=\"902\" data-end=\"951\"\u003eProvides an effective damp proof membrane (DPM)\u003c\/li\u003e\n\u003cli data-section-id=\"1vp2tjw\" data-start=\"952\" data-end=\"1004\"\u003eProtects against water, water vapour and radon gas\u003c\/li\u003e\n\u003cli data-section-id=\"9rt0fe\" data-start=\"1005\" data-end=\"1044\"\u003eFlexible, seamless waterproof coating\u003c\/li\u003e\n\u003cli data-section-id=\"11a6p60\" data-start=\"1045\" data-end=\"1086\"\u003eSuitable for below-ground waterproofing\u003c\/li\u003e\n\u003cli data-section-id=\"guyws2\" data-start=\"1087\" data-end=\"1132\"\u003eCompatible with concrete, masonry and steel\u003c\/li\u003e\n\u003cli data-section-id=\"1ouorcd\" data-start=\"1133\" data-end=\"1164\"\u003eExcellent sulphate resistance\u003c\/li\u003e\n\u003cli data-section-id=\"8d1rpz\" data-start=\"1165\" data-end=\"1201\"\u003eIdeal for basement tanking systems\u003c\/li\u003e\n\u003cli data-section-id=\"1ezu26t\" data-start=\"1202\" data-end=\"1236\"\u003eEasy brush or roller application\u003c\/li\u003e\n\u003cli data-section-id=\"146vmhj\" data-start=\"1237\" data-end=\"1283\"\u003eSuitable for Type A structural waterproofing\u003c\/li\u003e\n\u003cli data-section-id=\"1wdmild\" data-start=\"1284\" data-end=\"1335\"\u003eLong service life when protected from UV exposure\u003c\/li\u003e\n\u003cli data-section-id=\"vz2civ\" data-start=\"1336\" data-end=\"1410\"\u003eBBA Certified waterproofing system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"mu966k\" data-start=\"1412\" data-end=\"1427\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"1429\" data-end=\"1699\"\u003e\n\u003cli data-section-id=\"7jzopr\" data-start=\"1429\" data-end=\"1447\"\u003eBasement tanking\u003c\/li\u003e\n\u003cli data-section-id=\"1vp2rua\" data-start=\"1448\" data-end=\"1474\"\u003eFoundation waterproofing\u003c\/li\u003e\n\u003cli data-section-id=\"p2222w\" data-start=\"1475\" data-end=\"1492\"\u003eRetaining walls\u003c\/li\u003e\n\u003cli data-section-id=\"1hi1emd\" data-start=\"1493\" data-end=\"1528\"\u003eGround floor damp proof membranes\u003c\/li\u003e\n\u003cli data-section-id=\"maxmp5\" data-start=\"1529\" data-end=\"1550\"\u003eConcrete structures\u003c\/li\u003e\n\u003cli data-section-id=\"a3bv9o\" data-start=\"1551\" data-end=\"1574\"\u003eMasonry waterproofing\u003c\/li\u003e\n\u003cli data-section-id=\"134e274\" data-start=\"1575\" data-end=\"1593\"\u003eSteel protection\u003c\/li\u003e\n\u003cli data-section-id=\"1lr1n5t\" data-start=\"1594\" data-end=\"1605\"\u003eLift pits\u003c\/li\u003e\n\u003cli data-section-id=\"r83abk\" data-start=\"1606\" data-end=\"1621\"\u003eService ducts\u003c\/li\u003e\n\u003cli data-section-id=\"xvyz9a\" data-start=\"1622\" data-end=\"1641\"\u003eColumns and beams\u003c\/li\u003e\n\u003cli data-section-id=\"1indid\" data-start=\"1642\" data-end=\"1671\"\u003eInternal wall damp proofing\u003c\/li\u003e\n\u003cli data-section-id=\"jdyd8g\" data-start=\"1672\" data-end=\"1699\"\u003eRadon gas barrier systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1uhri7u\" data-start=\"1701\" data-end=\"1725\"\u003eTechnical Information\u003c\/h3\u003e\n\u003cul data-start=\"1727\" data-end=\"2202\"\u003e\n\u003cli data-section-id=\"1locxhr\" data-start=\"1727\" data-end=\"1786\"\u003eProduct Type: Cold-applied bitumen waterproofing membrane\u003c\/li\u003e\n\u003cli data-section-id=\"1kj4np9\" data-start=\"1787\" data-end=\"1802\"\u003eColour: Black\u003c\/li\u003e\n\u003cli data-section-id=\"1bthy6r\" data-start=\"1803\" data-end=\"1882\"\u003eNumber of Coats: Two (one coat for selected internal plastering applications)\u003c\/li\u003e\n\u003cli data-section-id=\"1yr11zo\" data-start=\"1883\" data-end=\"1931\"\u003eDry Film Thickness: Approx. 0.75mm (two coats)\u003c\/li\u003e\n\u003cli data-section-id=\"18k8u6\" data-start=\"1932\" data-end=\"1977\"\u003eCoverage: Approx. 1m² per litre (two coats)\u003c\/li\u003e\n\u003cli data-section-id=\"s9cmkn\" data-start=\"1978\" data-end=\"2007\"\u003eTouch Dry: Approx. 24 hours\u003c\/li\u003e\n\u003cli data-section-id=\"ltrsl7\" data-start=\"2008\" data-end=\"2037\"\u003eOvercoating: When touch dry\u003c\/li\u003e\n\u003cli data-section-id=\"1b5lr8s\" data-start=\"2038\" data-end=\"2078\"\u003eApplication Temperature: +5°C to +35°C\u003c\/li\u003e\n\u003cli data-section-id=\"12aee1l\" data-start=\"2079\" data-end=\"2117\"\u003eSulphate Resistance: Up to 50,000ppm\u003c\/li\u003e\n\u003cli data-section-id=\"1isbcgw\" data-start=\"2118\" data-end=\"2141\"\u003eShelf Life: 12 months\u003c\/li\u003e\n\u003cli data-section-id=\"1ngwjpw\" data-start=\"2142\" data-end=\"2202\"\u003ePack Sizes: 5L \u0026amp; 25L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1r8frcv\" data-start=\"2204\" data-end=\"2233\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp data-start=\"2235\" data-end=\"2289\"\u003e\u003cstrong data-start=\"2235\" data-end=\"2289\"\u003eWhat is RIW Liquid Asphaltic Composition used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2291\" data-end=\"2447\"\u003eIt is used as a waterproofing membrane and damp proof membrane for basements, foundations, retaining walls, ground floors and other below-ground structures.\u003c\/p\u003e\n\u003cp data-start=\"2449\" data-end=\"2487\"\u003e\u003cstrong data-start=\"2449\" data-end=\"2487\"\u003eCan it be used as a radon barrier?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2489\" data-end=\"2633\"\u003eYes. RIW LAC has been tested as an effective barrier against radon gas diffusion when installed correctly.\u003c\/p\u003e\n\u003cp data-start=\"2635\" data-end=\"2676\"\u003e\u003cstrong data-start=\"2635\" data-end=\"2676\"\u003eWhat substrates can it be applied to?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2678\" data-end=\"2752\"\u003eIt is suitable for concrete, masonry and suitably prepared steel surfaces.\u003c\/p\u003e\n\u003cp data-start=\"2754\" data-end=\"2786\"\u003e\u003cstrong data-start=\"2754\" data-end=\"2786\"\u003eHow many coats are required?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2788\" data-end=\"2898\"\u003eMost waterproofing applications require two coats to achieve the specified membrane thickness and performance.\u003c\/p\u003e\n\u003cp data-start=\"2900\" data-end=\"2930\"\u003e\u003cstrong data-start=\"2900\" data-end=\"2930\"\u003eCan it be used internally?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2932\" data-end=\"3050\"\u003eYes. It can be applied internally for basement tanking and as a vapour barrier behind plaster systems where specified.\u003c\/p\u003e\n\u003cp data-start=\"2932\" data-end=\"3050\"\u003e\u003cbr\u003e\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\/RIW_LAC-tds.pdf?v=1784552508\" title=\"RIW Liquid Asphaltic Composition Data Sheet\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"RIW","offers":[{"title":"25L","offer_id":57312878788983,"sku":"RIWLAC25L","price":270.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/riw.png?v=1784552480","url":"https:\/\/clevershieldcoatings.co.uk\/products\/riw-liquid-asphaltic-composition-lac-25l","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}