{"title":"Green Roof Tapes, Adhesives \u0026 Jointing","description":null,"products":[{"product_id":"root-barrier-overtape-300mm-x-20m","title":"UGR Root Barrier Overtape - 300mm x 20m","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003ch3\u003eExtra-wide tape for sealing green roof membrane joints\u003c\/h3\u003e\n\u003cp\u003eUGR Root Barrier Overtape is a premium self-adhesive butyl rubber tape for creating long-lasting seals over membrane joints, overlaps and difficult roof details.\u003c\/p\u003e\n\u003cp\u003eIts extra-wide 300mm format provides generous coverage across adjoining surfaces. A protective PET-reinforced aluminium backing improves resistance to tearing and puncturing while helping protect the joint against weather and UV exposure.\u003c\/p\u003e\n\u003cp\u003eIt is particularly suitable for sealing overlaps in the \u003ca href=\"\/products\/green-roof-root-barrier\"\u003eUGR Green Roof Root Barrier\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eReliable protection against water and vapour\u003c\/h3\u003e\n\u003cp\u003eThe flexible butyl adhesive creates a close seal over compatible membranes and building materials. Key benefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent adhesion to a wide range of surfaces\u003c\/li\u003e\n\u003cli\u003eWaterproof sealing\u003c\/li\u003e\n\u003cli\u003eProtection against vapour penetration\u003c\/li\u003e\n\u003cli\u003eAirtight jointing\u003c\/li\u003e\n\u003cli\u003eUV and weather resistance\u003c\/li\u003e\n\u003cli\u003eFlexibility throughout its service life\u003c\/li\u003e\n\u003cli\u003eGood conformity around irregular shapes\u003c\/li\u003e\n\u003cli\u003eStrong tear and puncture resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for horizontal and vertical applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe tape can follow changes in direction and material more easily than a rigid flashing detail, making it useful around roof penetrations, corners and connections.\u003c\/p\u003e\n\u003ch3\u003eSuitable applications\u003c\/h3\u003e\n\u003cp\u003eUGR Root Barrier Overtape can be used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSealing green roof root-barrier overlaps\u003c\/li\u003e\n\u003cli\u003eCovering and protecting membrane joints\u003c\/li\u003e\n\u003cli\u003eSealing around roof windows and skylights\u003c\/li\u003e\n\u003cli\u003eDetailing around chimneys and pipework\u003c\/li\u003e\n\u003cli\u003eRepairs to compatible existing flashings\u003c\/li\u003e\n\u003cli\u003eSealing gutters and ridges\u003c\/li\u003e\n\u003cli\u003eDetailing conservatories and porches\u003c\/li\u003e\n\u003cli\u003eSealing compatible cavity-drain membrane joints\u003c\/li\u003e\n\u003cli\u003eRepairing suitable concrete cracks\u003c\/li\u003e\n\u003cli\u003eRepairing compatible lead gutters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt can bond to suitably prepared materials including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible membranes\u003c\/li\u003e\n\u003cli\u003eConcrete\u003c\/li\u003e\n\u003cli\u003eBrick\u003c\/li\u003e\n\u003cli\u003eWood\u003c\/li\u003e\n\u003cli\u003eAluminium\u003c\/li\u003e\n\u003cli\u003ePVC\u003c\/li\u003e\n\u003cli\u003eGlass\u003c\/li\u003e\n\u003cli\u003eSteel\u003c\/li\u003e\n\u003cli\u003eRoofing felt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways check adhesion and compatibility with the particular membrane, coating or substrate before completing the installation.\u003c\/p\u003e\n\u003ch3\u003eSealing root-barrier joints\u003c\/h3\u003e\n\u003cp\u003eFor enhanced protection at UGR Green Roof Root Barrier overlaps, position the 300mm tape centrally across the completed joint. This provides approximately:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e150mm coverage on one side of the joint\u003c\/li\u003e\n\u003cli\u003e150mm coverage on the other side\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEvenly sharing the tape across the overlap provides greater protection where more aggressive plant roots are expected. See the \u003ca href=\"\/products\/green-roof-root-barrier\"\u003eUGR Green Roof Root Barrier\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003ePreparing the surface\u003c\/h3\u003e\n\u003cp\u003eCorrect preparation is essential for a reliable bond. Before application:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eMake sure the substrate is dry.\u003c\/li\u003e\n\u003cli\u003eRemove dust, dirt and loose material.\u003c\/li\u003e\n\u003cli\u003eRemove oil and grease.\u003c\/li\u003e\n\u003cli\u003eClear away moss and algae.\u003c\/li\u003e\n\u003cli\u003ePrime porous surfaces with a suitable SBR bonding additive where required.\u003c\/li\u003e\n\u003cli\u003eAvoid cleaning the surface with detergent, as residues can interfere with the initial bond.\u003c\/li\u003e\n\u003cli\u003eCheck that the tape is compatible with the underlying material.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIn colder weather, allow the tape to warm to a suitable application temperature before use.\u003c\/p\u003e\n\u003ch3\u003eApplying the overtape\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMeasure and cut the tape to the required length.\u003c\/li\u003e\n\u003cli\u003ePosition the strip before removing the backing paper.\u003c\/li\u003e\n\u003cli\u003ePeel back approximately 100mm of the release paper.\u003c\/li\u003e\n\u003cli\u003ePress the exposed adhesive firmly into position.\u003c\/li\u003e\n\u003cli\u003eContinue removing the backing gradually while applying the tape.\u003c\/li\u003e\n\u003cli\u003eUse a hard roller to press the complete surface firmly onto the substrate.\u003c\/li\u003e\n\u003cli\u003ePay particular attention to edges, corners and overlaps.\u003c\/li\u003e\n\u003cli\u003eAvoid unnecessary joins in the tape wherever possible.\u003c\/li\u003e\n\u003cli\u003eWhere several pieces are required for weathering, arrange the upper section so it overlaps down over the lower section.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe tape should be applied without creases, trapped air or unsupported sections.\u003c\/p\u003e\n\u003ch3\u003eImportant suitability note\u003c\/h3\u003e\n\u003cp\u003eUGR Root Barrier Overtape is a jointing and sealing product. It is not a substitute for the roof's primary waterproofing system or for a correctly installed root barrier.\u003c\/p\u003e\n\u003cp\u003eThe surface must be clean, dry, stable and compatible with the butyl adhesive. Carry out a small adhesion test where the substrate or coating is uncertain.\u003c\/p\u003e\n\u003cp\u003eFor joints that need to be sealed between two overlapping membranes rather than covered from above, the \u003ca href=\"\/products\/membrane-jointing-tape-50mm-x-10m\"\u003eUGR Membrane Jointing Tape 50mm x 10m\u003c\/a\u003e may be more appropriate.\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 0; vertical-align: top;\"\u003e Product type\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Self-adhesive flashband overtape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Adhesive material\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Butyl rubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Backing\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e PET-reinforced aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Width\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Roll length\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 20m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Application\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Horizontal and vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Seal properties\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Water, vapour and airtight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Weather resistance\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e UV and weather resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Root-barrier joint coverage\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e ~150mm each side of the joint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Suitable users\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Professional and DIY installers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch6\u003eFAQs\u003c\/h6\u003e\n\u003ch4\u003eWhat is UGR Root Barrier Overtape used for?\u003c\/h4\u003e\n\u003cp\u003ePrimarily sealing overlapping root-barrier joints; also flashing repairs and sealing around penetrations, windows and pipework.\u003c\/p\u003e\n\u003ch4\u003eHow should it be positioned over a root-barrier joint?\u003c\/h4\u003e\n\u003cp\u003eCentre the 300mm tape over the joint for ~150mm coverage on each side.\u003c\/p\u003e\n\u003ch4\u003eDo I need to prepare the surface?\u003c\/h4\u003e\n\u003cp\u003eYes — dry and free of dust, grease, moss and algae. Prime porous substrates with SBR; don't use detergents for final cleaning.\u003c\/p\u003e\n\u003ch4\u003eCan it be applied in cold weather?\u003c\/h4\u003e\n\u003cp\u003eBring the tape up to a suitable temperature first so the adhesive forms a reliable initial bond.\u003c\/p\u003e\n\u003ch6\u003eHelp\u003c\/h6\u003e\n\u003ch3\u003eNeed help selecting the correct membrane tape?\u003c\/h3\u003e\n\u003cp\u003eUnsure whether your joint needs wide overtape, double-sided tape or a membrane adhesive? Our in-house technical team can provide free guidance on choosing a compatible jointing method for your green roof build-up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\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 \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":"Default Title","offer_id":54207514902871,"sku":"UGROT300","price":73.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/0150\/9207\/files\/permaseal_flashband_overtape_300_fw_1.jpg?v=1785665896"},{"product_id":"membrane-jointing-tape-50mm-x-10m","title":"UGR Membrane Jointing Tape 50mm x 10m","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003ch3\u003eSeal overlapping membrane joints securely\u003c\/h3\u003e\n\u003cp\u003eUGR Membrane Jointing Tape is a high-tack butyl tape designed to create a continuous seal between two overlapping sheets of compatible plastic membrane.\u003c\/p\u003e\n\u003cp\u003eThe tape sits inside the overlap, bonding the two membrane surfaces together to help prevent the passage of water and air through the joint.\u003c\/p\u003e\n\u003cp\u003eIt is supplied with a removable backing strip, allowing the tape to be accurately positioned on the first membrane before the second sheet is bonded over it.\u003c\/p\u003e\n\u003ch3\u003eSuitable membrane applications\u003c\/h3\u003e\n\u003cp\u003eThe tape can be used with compatible:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreen roof drainage membranes\u003c\/li\u003e\n\u003cli\u003eDamp-proof membranes\u003c\/li\u003e\n\u003cli\u003eCavity-drain membranes\u003c\/li\u003e\n\u003cli\u003eVapour-control layers\u003c\/li\u003e\n\u003cli\u003eRadon membranes\u003c\/li\u003e\n\u003cli\u003eGas-barrier membranes\u003c\/li\u003e\n\u003cli\u003eOther suitable plastic membrane surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWithin the UGR range, it can be used to seal compatible overlaps in the \u003ca href=\"\/products\/20mm-deck-wall-drainage-membrane-2m-x-10m\"\u003eUGR 20mm Deck \u0026amp; Wall Drainage Membrane\u003c\/a\u003e. Always check the specified jointing detail and membrane compatibility before installation.\u003c\/p\u003e\n\u003ch3\u003eHigh-tack butyl formulation\u003c\/h3\u003e\n\u003cp\u003eThe soft butyl composition provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood initial grip to clean plastic surfaces\u003c\/li\u003e\n\u003cli\u003eA flexible seal throughout its service life\u003c\/li\u003e\n\u003cli\u003eGood conformity around membrane profiles and details\u003c\/li\u003e\n\u003cli\u003eAccurate application with minimal waste\u003c\/li\u003e\n\u003cli\u003eWater-resistant and airtight jointing when correctly installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause the tape remains flexible, it can accommodate normal movement within a correctly detailed membrane joint without becoming rigid or brittle.\u003c\/p\u003e\n\u003ch3\u003eDouble-sided jointing rather than overtaping\u003c\/h3\u003e\n\u003cp\u003eThis tape is installed between two overlapping membrane sheets. It performs a different function from a single-sided overtape, which is applied over the upper surface of a completed joint.\u003c\/p\u003e\n\u003cp\u003eFor wide surface sealing over a root-barrier overlap, use the \u003ca href=\"\/products\/root-barrier-overtape-300mm-x-20m\"\u003eUGR Root Barrier Overtape\u003c\/a\u003e. Where a cartridge-applied adhesive is preferable for a compatible detail, consider \u003ca href=\"\/products\/high-strength-membrane-adhesive-310ml-cartridge\"\u003eHigh Strength Membrane Adhesive\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003ePreparing the membranes\u003c\/h3\u003e\n\u003cp\u003eReliable adhesion depends on suitable surface preparation. Before applying the tape:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eCheck that both membranes are compatible with butyl jointing tape.\u003c\/li\u003e\n\u003cli\u003eMake sure the contact surfaces are clean and dry.\u003c\/li\u003e\n\u003cli\u003eRemove dust, dirt, grease and loose material.\u003c\/li\u003e\n\u003cli\u003eLay the membranes flat and remove creases from the joint area.\u003c\/li\u003e\n\u003cli\u003ePlan the overlap before removing the tape's backing strip.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDo not apply the tape over contaminated, unstable or heavily creased surfaces.\u003c\/p\u003e\n\u003ch3\u003eApplying the jointing tape\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRemove the tape's outer packaging.\u003c\/li\u003e\n\u003cli\u003eUnroll the required length without stretching it.\u003c\/li\u003e\n\u003cli\u003eApply the tape, with its release backing still attached, to the first membrane.\u003c\/li\u003e\n\u003cli\u003eKeep the membrane flat and position the tape within the intended overlap.\u003c\/li\u003e\n\u003cli\u003ePress firmly along the full length to create a strong initial bond.\u003c\/li\u003e\n\u003cli\u003eAlign the second membrane over the joint.\u003c\/li\u003e\n\u003cli\u003eGradually remove the release backing while pressing the second membrane onto the exposed adhesive.\u003c\/li\u003e\n\u003cli\u003eApply firm, even pressure through the upper membrane across the complete joint.\u003c\/li\u003e\n\u003cli\u003eCheck that the tape is fully enclosed and that no creases or gaps remain.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eDo not stretch the tape\u003c\/h3\u003e\n\u003cp\u003eButyl tape should not be stretched while it is being unrolled or installed.\u003c\/p\u003e\n\u003cp\u003eIf stretched, the tape may gradually return towards its manufactured dimensions. This can pull on the surrounding membrane and create creases that compromise the finished joint.\u003c\/p\u003e\n\u003cp\u003eAllow the tape to lie naturally and apply it without tension.\u003c\/p\u003e\n\u003ch3\u003eImportant suitability note\u003c\/h3\u003e\n\u003cp\u003eUGR Membrane Jointing Tape is a membrane-jointing accessory and does not replace the primary waterproofing, gas barrier or other protective layer within the system.\u003c\/p\u003e\n\u003cp\u003eIt is intended for compatible plastic surfaces and should not be assumed suitable for every membrane formulation. Check compatibility where the membrane type or joint detail is uncertain.\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 0; vertical-align: top;\"\u003e Product type\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Double-sided membrane-jointing tape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Adhesive material\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Butyl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Width\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Roll length\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e 10m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Adhesive faces\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Double-sided\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Backing\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Removable release liner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Application\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Between overlapping membrane sheets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Initial adhesion\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e High tack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px 6px 0; vertical-align: top;\"\u003e Suitable surfaces\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0;\"\u003e Compatible clean plastic membranes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch6\u003eFAQs\u003c\/h6\u003e\n\u003ch4\u003eWhere is double-sided jointing tape positioned?\u003c\/h4\u003e\n\u003cp\u003eBetween two overlapping membrane sheets, bonding the underside of the upper membrane to the surface of the lower one.\u003c\/p\u003e\n\u003ch4\u003eShould I stretch the tape during application?\u003c\/h4\u003e\n\u003cp\u003eNo. Stretching butyl can cause it to contract afterwards and crease the surrounding membrane.\u003c\/p\u003e\n\u003ch4\u003eWhat surfaces can it be applied to?\u003c\/h4\u003e\n\u003cp\u003eClean, compatible plastic membranes — drainage, damp-proof, vapour-control and gas-barrier types. Check compatibility first.\u003c\/p\u003e\n\u003ch4\u003eWhat is the difference between jointing tape and overtape?\u003c\/h4\u003e\n\u003cp\u003eJointing tape seals between two overlapping membranes; overtape is single-sided and covers the upper surface of an assembled joint.\u003c\/p\u003e\n\u003ch6\u003eHelp\u003c\/h6\u003e\n\u003ch3\u003eNeed help choosing the right jointing method?\u003c\/h3\u003e\n\u003cp\u003eUnsure whether your membrane overlap requires double-sided tape, wide overtape or cartridge adhesive? Our in-house technical team can provide free, practical guidance on selecting the correct joint detail for your green roof system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\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 \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":"Default Title","offer_id":54207515165015,"sku":"UGRT5010","price":10.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/0150\/9207\/files\/UGR_Double-sided_jointing_Tape.jpg?v=1787278402"},{"product_id":"high-strength-membrane-adhesive-310ml-cartridge","title":"High Strength Membrane Adhesive - 310ml Cartridge","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003ch3\u003eHigh-strength elastic membrane adhesive\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e is a powerful professional adhesive for bonding and sealing compatible plastic membranes.\u003c\/p\u003e\n\u003cp\u003eIts solvent-containing formulation provides extremely high adhesion, while a specialist rubber component allows the completed bond to remain permanently elastic. This makes it particularly useful where membrane overlaps, penetrations and other details require a flexible cartridge-applied adhesive rather than jointing tape.\u003c\/p\u003e\n\u003ch3\u003eSuitable membrane materials\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e is suitable for compatible membranes manufactured from:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolyethylene – PE\u003c\/li\u003e\n\u003cli\u003ePolypropylene – PP\u003c\/li\u003e\n\u003cli\u003eHigh-density polyethylene – HDPE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt can therefore be used with many common building membranes, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGreen roof membranes\u003c\/li\u003e\n\u003cli\u003eRoot-barrier membranes\u003c\/li\u003e\n\u003cli\u003eProtection and drainage membranes\u003c\/li\u003e\n\u003cli\u003eGeotextile membranes\u003c\/li\u003e\n\u003cli\u003eDamp-proof membranes\u003c\/li\u003e\n\u003cli\u003eCavity-drain membranes\u003c\/li\u003e\n\u003cli\u003eRoof-breather membranes\u003c\/li\u003e\n\u003cli\u003eRoofing membranes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility and bonding performance should always be tested before the main installation begins.\u003c\/p\u003e\n\u003ch3\u003eGreen roof applications\u003c\/h3\u003e\n\u003cp\u003eWithin a green roof system, \u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e can be used for compatible details such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBonding overlapping membrane areas\u003c\/li\u003e\n\u003cli\u003eSealing unavoidable service penetrations\u003c\/li\u003e\n\u003cli\u003eDetailing around roof features and changes in direction\u003c\/li\u003e\n\u003cli\u003eJoining suitable drainage membranes\u003c\/li\u003e\n\u003cli\u003eSecuring compatible membrane details where tape is impractical\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe UGR Green Roof Root Barrier datasheet specifically permits \u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e for sealing unavoidable service penetrations through the root barrier — see the \u003ca href=\"\/products\/green-roof-root-barrier\"\u003eUGR Green Roof Root Barrier\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eIt may also be used as an alternative jointing method for compatible overlaps in the \u003ca href=\"\/products\/20mm-deck-wall-drainage-membrane-2m-x-10m\"\u003eUGR 20mm Deck \u0026amp; Wall Drainage Membrane\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhen to use adhesive rather than tape\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e is supplied in a cartridge and applied as a bead. This makes it useful around irregular shapes, penetrations and details where applying a continuous strip of tape may be difficult.\u003c\/p\u003e\n\u003cp\u003eFor straightforward membrane overlaps, the \u003ca href=\"\/products\/membrane-jointing-tape-50mm-x-10m\"\u003eUGR Membrane Jointing Tape 50mm x 10m\u003c\/a\u003e or \u003ca href=\"\/products\/root-barrier-overtape-300mm-x-20m\"\u003eUGR Root Barrier Overtape - 300mm x 20m\u003c\/a\u003e may be more appropriate. The appropriate method depends on the membrane, joint design and required system specification.\u003c\/p\u003e\n\u003ch3\u003ePreparing the membranes\u003c\/h3\u003e\n\u003cp\u003eCorrect preparation is essential for achieving a reliable bond. Before application:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConfirm that both membranes or substrates are compatible with \u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eTest the adhesive on a small area before completing the main installation.\u003c\/li\u003e\n\u003cli\u003eMake sure all surfaces are completely dry.\u003c\/li\u003e\n\u003cli\u003eRemove dust, dirt, debris, oil and grease.\u003c\/li\u003e\n\u003cli\u003ePosition and secure the membranes before bonding.\u003c\/li\u003e\n\u003cli\u003eMake sure the overlap is flat, free from wrinkles and not under tension.\u003c\/li\u003e\n\u003cli\u003ePlan the joint so that the cured adhesive will not be subjected to unnecessary peeling or shear stress.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eApplying \u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePrepare the cartridge for use in accordance with the product instructions.\u003c\/li\u003e\n\u003cli\u003eApply a continuous bead to one of the prepared membrane surfaces.\u003c\/li\u003e\n\u003cli\u003eBring the second membrane into position without stretching or pulling it.\u003c\/li\u003e\n\u003cli\u003ePress the two surfaces firmly together.\u003c\/li\u003e\n\u003cli\u003eUse a roller or similar suitable tool to distribute pressure evenly along the joint.\u003c\/li\u003e\n\u003cli\u003eCheck that the bond is continuous and that no gaps or creases remain.\u003c\/li\u003e\n\u003cli\u003eKeep the membrane free from tension, peeling and shear stress while the adhesive strength develops.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe bond strength builds gradually over time. Do not introduce tension afterwards — for example, when mounting battens beneath a vapour-control layer to prevent sagging.\u003c\/p\u003e\n\u003ch3\u003ePermanently flexible adhesion\u003c\/h3\u003e\n\u003cp\u003eUnlike a rigid adhesive, \u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e remains elastic after application.\u003c\/p\u003e\n\u003cp\u003eThis allows the completed joint to accommodate normal movement within a correctly installed membrane system while maintaining close contact between the bonded surfaces.\u003c\/p\u003e\n\u003ch3\u003eImportant professional-use warning\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e is for professional use only.\u003c\/p\u003e\n\u003cp\u003eIt contains solvents and is based on a highly flammable liquid and vapour. It can also cause serious eye irritation.\u003c\/p\u003e\n\u003cp\u003eDuring use:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKeep away from heat, sparks, flames and hot surfaces.\u003c\/li\u003e\n\u003cli\u003eDo not smoke near the product.\u003c\/li\u003e\n\u003cli\u003eUse outdoors or in a well-ventilated area.\u003c\/li\u003e\n\u003cli\u003eAvoid breathing the vapours.\u003c\/li\u003e\n\u003cli\u003ePrevent contact with the eyes.\u003c\/li\u003e\n\u003cli\u003eUse suitable personal protective equipment.\u003c\/li\u003e\n\u003cli\u003eFollow all instructions and safety warnings supplied with the product.\u003c\/li\u003e\n\u003cli\u003eKeep out of the reach of children.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant suitability note\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHigh Strength Membrane Adhesive\u003c\/span\u003e is a bonding and sealing accessory. It does not replace the primary waterproofing, root barrier or drainage membrane within a green roof system.\u003c\/p\u003e\n\u003cp\u003eDo not assume that it will bond successfully to every plastic, coating or treated surface. Carry out an on-site adhesion test before completing the installation.\u003c\/p\u003e\n\u003cp\u003eFor standard straight overlaps where a tape-based joint is specified, consider the \u003ca href=\"\/products\/membrane-jointing-tape-50mm-x-10m\"\u003eUGR Membrane Jointing Tape 50mm x 10m\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: 31.4509%;\"\u003e Product name\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e PM Power Fix – Super Strength Membrane Adhesive\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: 31.4509%;\"\u003e Product type\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e Elastic membrane adhesive\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: 31.4509%;\"\u003e Pack size\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e 310ml\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: 31.4509%;\"\u003e Application format\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e Cartridge-applied adhesive\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: 31.4509%;\"\u003e Compatible materials\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e PE, PP and HDPE membranes\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: 31.4509%;\"\u003e Bond characteristics\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e Extremely high adhesion; permanently elastic\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: 31.4509%;\"\u003e User classification\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e Professional use only\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: 31.4509%;\"\u003e Hazards\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e Highly flammable liquid and vapour; causes serious eye irritation\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: 31.4509%;\"\u003e Application environment\u003c\/th\u003e\n\u003ctd style=\"padding: 6px 0px; width: 68.4622%;\"\u003e Outdoors or well-ventilated area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch6\u003eFAQs\u003c\/h6\u003e\n\u003ch4\u003eWhich membrane materials can High Strength Membrane Adhesive bond?\u003c\/h4\u003e\n\u003cp\u003eCompatible PE, PP and HDPE membranes. Always test adhesion before the main installation.\u003c\/p\u003e\n\u003ch4\u003eDoes the adhesive remain flexible?\u003c\/h4\u003e\n\u003cp\u003eYes. Its rubber component keeps the bond permanently elastic.\u003c\/p\u003e\n\u003ch4\u003eCan it be used with a green roof root barrier?\u003c\/h4\u003e\n\u003cp\u003eYes, for compatible details including sealing unavoidable service penetrations. Follow the membrane's method and test first.\u003c\/p\u003e\n\u003ch4\u003eIs High Strength Membrane Adhesive suitable for DIY use?\u003c\/h4\u003e\n\u003cp\u003eNo. It is a professional-use product — solvent-containing, flammable vapour, and requires ventilation and PPE.\u003c\/p\u003e\n\u003ch6\u003eHelp\u003c\/h6\u003e\n\u003ch3\u003eNeed help detailing a membrane joint?\u003c\/h3\u003e\n\u003cp\u003eUnsure whether your project requires High Strength Membrane Adhesive, double-sided jointing tape or wide overtape? Our in-house technical team can provide free guidance on choosing a compatible sealing method for your green roof membranes and details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\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 \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":"Default Title","offer_id":54207516344663,"sku":"UGRPF310","price":10.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/0150\/9207\/files\/pm_power_fix_fw.jpg?v=1785665909"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0954\/0150\/9207\/collections\/Green_Roof_Tapes_Adhesives_Jointing.jpg?v=1786087022","url":"https:\/\/urbangreenroofs.com\/collections\/green-roof-jointing-sealing.oembed","provider":"Urban Green Roofs","version":"1.0","type":"link"}