{"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","url":"https:\/\/urbangreenroofs.com\/products\/membrane-jointing-tape-50mm-x-10m","provider":"Urban Green Roofs","version":"1.0","type":"link"}