{"product_id":"green-roof-root-barrier","title":"UGR Green Roof Root Barrier","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003ch3\u003eProtect your waterproofing from root damage\u003c\/h3\u003e\n\u003cp\u003eUGR Green Roof Root Barrier creates a tough physical barrier between your green roof vegetation and the waterproofing layer beneath.\u003c\/p\u003e\n\u003cp\u003eSuitable for extensive and intensive green roof systems, it helps protect the roof structure, waterproofing and services from damage caused by plant and tree roots. It can also provide protection against invasive plants including Japanese knotweed, giant hogweed, bamboo and mares tail.\u003c\/p\u003e\n\u003cp\u003eThe membrane is UV stabilised, lightweight to handle and resistant to natural acids, alkalis, bacteria and fungi. Its high puncture resistance makes it suitable for long-term use within both domestic and commercial green roof build-ups.\u003c\/p\u003e\n\u003ch3\u003eTriple-coated reinforced construction\u003c\/h3\u003e\n\u003cp\u003eDespite being only 0.5mm thick, the root barrier achieves a puncture resistance of 4,500N. Its durable construction consists of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo woven polyethylene reinforcement layers\u003c\/li\u003e\n\u003cli\u003eA thermoplastic low-density polyethylene coating between the woven layers\u003c\/li\u003e\n\u003cli\u003eAn additional LDPE coating on each external surface\u003c\/li\u003e\n\u003cli\u003eThermally bonded layers for added strength and stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis coating–woven–coating–woven–coating build-up provides strong resistance to puncturing, stress and cracking while remaining easy to cut and install.\u003c\/p\u003e\n\u003ch3\u003eSuitable green roof applications\u003c\/h3\u003e\n\u003cp\u003eUGR Green Roof Root Barrier can be used as part of:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlat green roof systems\u003c\/li\u003e\n\u003cli\u003ePitched green roof systems\u003c\/li\u003e\n\u003cli\u003eExtensive green roofs with lightweight planting\u003c\/li\u003e\n\u003cli\u003eIntensive green roofs with deeper growing media and larger vegetation\u003c\/li\u003e\n\u003cli\u003eDomestic roofs, garages, extensions and garden buildings\u003c\/li\u003e\n\u003cli\u003eLarger commercial green roof projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIntensive green roofs normally also require a protective fleece above the root barrier to reduce the risk of mechanical damage during installation and ongoing maintenance. See the \u003ca href=\"\/products\/green-roof-protection-fleece-300\"\u003eUGR Green Roof Protection Fleece 300\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eAvailable sizes\u003c\/h3\u003e\n\u003cp\u003eChoose from two roll widths:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1m x 25m: covers 25m²\u003c\/li\u003e\n\u003cli\u003e2m x 25m: covers 50m²\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVolume discounts are available when ordering multiple rolls.\u003c\/p\u003e\n\u003ch3\u003eInstalling the green roof root barrier\u003c\/h3\u003e\n\u003cp\u003eInstall the root barrier after the primary roof waterproofing has been completed and before laying the green roof drainage and water-storage layers.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRoll the membrane out over the waterproofing layer.\u003c\/li\u003e\n\u003cli\u003eCut it to the required length using a sharp pair of scissors.\u003c\/li\u003e\n\u003cli\u003eOverlap adjoining sheets by at least 150mm.\u003c\/li\u003e\n\u003cli\u003eSeal across the face of each overlap with a compatible 300mm-wide overtape.\u003c\/li\u003e\n\u003cli\u003eWhere particularly aggressive roots are expected, apply compatible jointing tape between the overlapping sheets before sealing over the joint.\u003c\/li\u003e\n\u003cli\u003eAvoid service penetrations through the membrane wherever possible. Any unavoidable penetrations must be carefully sealed using compatible detailing products.\u003c\/li\u003e\n\u003cli\u003eOnce the root barrier is secure, install the specified green roof drainage layer above it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDepending on the proposed planting and water-storage requirements, suitable next layers may include the \u003ca href=\"\/products\/8mm-deck-wall-drainage-membrane\"\u003eUGR 8mm Deck \u0026amp; Wall Drainage Membrane\u003c\/a\u003e, or the \u003ca href=\"\/products\/20mm-storage-drainage-membrane-2m-x-10m\"\u003eUGR 20mm\u003c\/a\u003e, \u003ca href=\"\/products\/40mm-storage-drainage-board-1m-x-2m\"\u003eUGR 40mm\u003c\/a\u003e or \u003ca href=\"\/products\/60mm-storage-drainage-board-1m-x-2m\"\u003eUGR 60mm\u003c\/a\u003e Green Roof Drainage \u0026amp; Storage Membranes and Boards.\u003c\/p\u003e\n\u003ch3\u003eImportant suitability note\u003c\/h3\u003e\n\u003cp\u003eThis product is not designed to act as the primary waterproofing or drainage layer. It must be installed over a suitable waterproofing system and beneath a dedicated drainage product such as the \u003ca href=\"\/products\/8mm-deck-wall-drainage-membrane\"\u003eUGR 8mm Deck \u0026amp; Wall Drainage Membrane\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Material\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e Polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Construction\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e Woven geotextile with triple-coated LDPE film\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Colour\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Weight\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 365g\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Thickness\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 0.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Roll length\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 25m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Roll widths\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 1m or 2m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Coverage\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 25m² or 50m² per roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Puncture resistance\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 4,500N to EN ISO 12236\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Tensile strength\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 34kN\/m MD; 31kN\/m CD to EN ISO 10319\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Elongation\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 25% MD; 20% CD to EN ISO 10319\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Hydrostatic resistance\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e 2,107kPa to ASTM D751-19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Root resistance\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e Passed DD CEN\/TS 14416:2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0px; vertical-align: top; width: 29.3658%;\"\u003e Additional properties\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 70.5474%;\"\u003e UV stabilised; resistant to natural acids, alkalis, bacteria and fungi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch6\u003eFAQs\u003c\/h6\u003e\n\u003ch4\u003eWhere should the root barrier be positioned?\u003c\/h4\u003e\n\u003cp\u003eDirectly above the completed waterproofing layer and beneath the specified drainage or drainage-and-storage membrane.\u003c\/p\u003e\n\u003ch4\u003eHow much should adjoining sheets overlap?\u003c\/h4\u003e\n\u003cp\u003eAt least 150mm. Seal across the face of the joint with a compatible 300mm overtape, adding jointing tape within the overlap where aggressive roots are expected.\u003c\/p\u003e\n\u003ch4\u003eCan this root barrier be used on a pitched green roof?\u003c\/h4\u003e\n\u003cp\u003eYes. It suits both pitched and flat green roof systems, including extensive and intensive designs.\u003c\/p\u003e\n\u003ch4\u003eWhich roll size should I choose?\u003c\/h4\u003e\n\u003cp\u003eThe 1m x 25m roll covers 25m²; the 2m x 25m roll covers 50m². Choose the width that best suits the roof dimensions and installation layout.\u003c\/p\u003e\n\u003ch6\u003eHelp\u003c\/h6\u003e\n\u003ch3\u003eFree advice on your green roof build-up\u003c\/h3\u003e\n\u003cp\u003eNot sure which roll width you need, how to detail the overlaps or which drainage membrane should be installed above it? Our in-house technical team can provide free, practical guidance for your project.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"mailto:info@urbangreenroofs.com\" title=\"mailto:info@urbangreenroofs.com\"\u003einfo@urbangreenroofs.com\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTelephone:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"tel:+44%20117%20370%204018\" title=\"tel:+44 117 370 4018\"\u003e+44 117 370 4018\u003c\/a\u003e\u003c\/p\u003e","brand":"Urban Green Roofs","offers":[{"title":"1m x 25m (25m²)","offer_id":54207506841943,"sku":"UGRRB25","price":174.5,"currency_code":"GBP","in_stock":true},{"title":"2m x 25m (50m²)","offer_id":54207506874711,"sku":"UGRRB50","price":374.5,"currency_code":"GBP","in_stock":true},{"title":"1m x 25m (25m²) (10 Rolls)","offer_id":54396537864535,"sku":"UGRRB25\/10","price":1549.75,"currency_code":"GBP","in_stock":true},{"title":"2m x 25m (50m²) (10 Rolls)","offer_id":54396537897303,"sku":"UGRRB50\/10","price":3106.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/0150\/9207\/files\/UGRRootBarrier2.jpg?v=1787278846","url":"https:\/\/urbangreenroofs.com\/products\/green-roof-root-barrier","provider":"Urban Green Roofs","version":"1.0","type":"link"}