{"product_id":"visqueen-urban-drainage-geomembrane","title":"Visqueen Urban Drainage Geomembrane","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eVisqueen Urban Drainage Geomembrane\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eVisqueen Urban Drainage Geomembrane is a flexible, 100% recycled polyethylene geomembrane designed for use in stormwater attenuation systems and as an impermeable membrane within permeable paving systems. The black, 0.5mm thick membrane is supplied in multi-folded 4m x 12.5m rolls, providing 50m² per roll. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for a range of urban drainage and geomembrane applications, it can be used to line and wrap underground stormwater attenuation crates in light-duty situations, up to a maximum of two units deep. It can also be installed over the subgrade formation level and to the sides of the sub-base within System C permeable paving applications where an impermeable membrane is required. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe membrane is flexible and easy to detail on site. When correctly jointed using the recommended Visqueen accessories, it provides a continuous waterproof barrier. Lap joints can be bonded using Visqueen UDG Double Sided Jointing Tape, additionally sealed with Visqueen GR Lap Tape where required, or heat welded to form an effective seal.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/visqueen.jpg?v=1787741226\" alt=\"Visqueen Urban Drainage Geomembrane stormwater attenuation membrane\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100% recycled polyethylene geomembrane\u003c\/li\u003e\n\u003cli\u003eFlexible and easy to detail and install\u003c\/li\u003e\n\u003cli\u003eSuitable for stormwater attenuation applications\u003c\/li\u003e\n\u003cli\u003eSuitable as an impermeable membrane in permeable paving systems\u003c\/li\u003e\n\u003cli\u003eSuitable for light-duty attenuation crate wrapping up to two units deep\u003c\/li\u003e\n\u003cli\u003e0.5mm nominal thickness\u003c\/li\u003e\n\u003cli\u003e4m wide rolls provide efficient coverage\u003c\/li\u003e\n\u003cli\u003eJointed membrane tested for watertightness at 60kPa and 250kPa\u003c\/li\u003e\n\u003cli\u003e400% elongation at break in both machine and cross directions\u003c\/li\u003e\n\u003cli\u003eCan be bonded or heat welded at laps\u003c\/li\u003e\n\u003cli\u003eRecyclable and classified under LDPE recycling code 4 \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eVisqueen Urban Drainage Geomembrane is suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnderground stormwater attenuation systems\u003c\/li\u003e\n\u003cli\u003eWrapping stormwater attenuation crates in light-duty applications\u003c\/li\u003e\n\u003cli\u003eImpermeable lining within permeable paving systems\u003c\/li\u003e\n\u003cli\u003eMembrane installation over subgrade formation levels\u003c\/li\u003e\n\u003cli\u003eMembrane installation to the sides of sub-base within permeable paving systems\u003c\/li\u003e\n\u003cli\u003eUrban drainage and associated geomembrane applications \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Information\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eProperty\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e100% recycled polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e0.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoll size\u003c\/td\u003e\n\u003ctd\u003e4m x 12.5m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage per roll\u003c\/td\u003e\n\u003ctd\u003e50m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePuncture resistance\u003c\/td\u003e\n\u003ctd\u003e135N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact resistance\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile strength MD\u003c\/td\u003e\n\u003ctd\u003e15N\/mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile strength CD\u003c\/td\u003e\n\u003ctd\u003e15N\/mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation at break MD\u003c\/td\u003e\n\u003ctd\u003e400%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation at break CD\u003c\/td\u003e\n\u003ctd\u003e400%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJointed membrane watertightness @ 60kPa\u003c\/td\u003e\n\u003ctd\u003ePass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJointed membrane watertightness @ 250kPa\u003c\/td\u003e\n\u003ctd\u003ePass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation temperature\u003c\/td\u003e\n\u003ctd\u003eDo not install below 5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecycling classification\u003c\/td\u003e\n\u003ctd\u003eLDPE recycling code 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eTechnical values are taken from the supplied Visqueen datasheet. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eStandards \u0026amp; Approvals\u003c\/h3\u003e\n\u003cp\u003eVisqueen Urban Drainage Geomembrane is suitable for use as an impermeable membrane in permeable paving systems to \u003cstrong\u003eBS 7533-13:2009, System C – no infiltration\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe datasheet also identifies the manufacturer's management systems as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eISO 9001:2015 Quality Management\u003c\/li\u003e\n\u003cli\u003eISO 45001:2018 Occupational Health and Safety\u003c\/li\u003e\n\u003cli\u003eISO 14001:2015 Environmental Management \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Jointing\u003c\/h3\u003e\n\u003cp\u003eThe membrane should be clean and dry when jointing. Laps should normally be a minimum of \u003cstrong\u003e150mm\u003c\/strong\u003e and bonded using Visqueen UDG Double Sided Jointing Tape. In demanding site conditions, Visqueen GR Lap Tape can also be used. Lap joints should be pressed and rollered to achieve a completely sealed joint.\u003c\/p\u003e\n\u003cp\u003eAlternatively, lap joints can be heat welded. Welded laps may be less than 150mm where the integrity of the joint is not compromised. Pipe penetrations should be sealed using Visqueen Preformed Top Hat Units or VisqueenPro Detailing Strip. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhen used around stormwater attenuation crates, the trench base should be level and free from voids and protrusions, with a minimum \u003cstrong\u003e100mm sand blinding\u003c\/strong\u003e specified before installation. The geomembrane should be protected on both faces with Visqueen TreadGuard 300 protection layer. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFor System C permeable paving applications, the geomembrane should be installed over a smooth, continuous blinded subgrade free from irregularities. The upper face should be protected with Visqueen TreadGuard 300 before the sub-base aggregate is installed. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eSystem Components\u003c\/h3\u003e\n\u003cp\u003eRecommended associated Visqueen components include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVisqueen UDG Double Sided Jointing Tape – 100mm x 15m\u003c\/li\u003e\n\u003cli\u003eVisqueen GR Lap Tape – 150mm x 10m\u003c\/li\u003e\n\u003cli\u003eVisqueen Top Hat Units\u003c\/li\u003e\n\u003cli\u003eVisqueenPro Detailing Strip – 300mm x 10m and 500mm x 10m\u003c\/li\u003e\n\u003cli\u003eVisqueen Medium Duty Protection Board\u003c\/li\u003e\n\u003cli\u003eVisqueen TreadGUARD 300 – 2m x 75m \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStorage \u0026amp; Handling\u003c\/h3\u003e\n\u003cp\u003eStore horizontally, under cover and in the original packaging. The membrane can be cut using a sharp retractable safety knife or robust scissors. The product and associated system components should not be installed below \u003cstrong\u003e5°C\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Visqueen Urban Drainage Geomembrane used for?\u003c\/strong\u003e\u003cbr\u003eIt is designed for geomembrane applications including stormwater attenuation systems and as an impermeable membrane in permeable paving systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size is Visqueen Urban Drainage Geomembrane supplied in?\u003c\/strong\u003e\u003cbr\u003eIt is supplied in multi-folded \u003cstrong\u003e4m x 12.5m rolls\u003c\/strong\u003e, providing approximately \u003cstrong\u003e50m² per roll\u003c\/strong\u003e. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used around stormwater attenuation crates?\u003c\/strong\u003e\u003cbr\u003eYes. It can be used to wrap underground stormwater attenuation crates in light-duty situations, with the datasheet specifying a maximum of two units deep. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow are the membrane joints sealed?\u003c\/strong\u003e\u003cbr\u003eThe membrane can be overlapped by at least 150mm and bonded using Visqueen UDG Double Sided Jointing Tape. Visqueen GR Lap Tape can provide additional sealing, while heat welding is also an alternative method. \u003cspan class=\"contents\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperature can the membrane be installed at?\u003c\/strong\u003e\u003cbr\u003eThe datasheet recommends that the membrane and associated system components should not be installed below \u003cstrong\u003e5°C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDownloads\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/VISQUE1-1.pdf?v=1787741293\" title=\"Visqueen Urban Drainage Geomembrane\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e","brand":"Visqueen","offers":[{"title":"4 x 12.5m","offer_id":57412116021623,"sku":"VQURBANDRAINGEO","price":123.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0321\/5320\/6920\/files\/visqueen_9e5b376f-a4e6-46e9-a1a8-acdb61e00654.jpg?v=1787741244","url":"https:\/\/clevershieldcoatings.co.uk\/products\/visqueen-urban-drainage-geomembrane","provider":"Clever Shield - Asset Protection","version":"1.0","type":"link"}