{"id":1399,"date":"2026-01-15T13:22:30","date_gmt":"2026-01-15T13:22:30","guid":{"rendered":"https:\/\/great-ocean-waterproof.com\/?post_type=product&#038;p=1399"},"modified":"2026-01-18T12:41:57","modified_gmt":"2026-01-18T12:41:57","slug":"jy-gbl-polymer-waterproof-membrane-pe-pp-polyethylene-polypropylene-waterproofing-membrane","status":"publish","type":"product","link":"https:\/\/great-ocean-waterproof.com\/nb\/product\/jy-gbl-polymer-waterproof-membrane-pe-pp-polyethylene-polypropylene-waterproofing-membrane\/","title":{"rendered":"JY-GBL Polymer Vanntett Membran PE PP Polyetylen Polypropylen Vanntett Membran"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"PE PP vanntett membran: Ultimat holdbarhetsguide | Great Ocean Waterproof\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/1yQKVzJyiX8?feature=oembed\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2>Produktintroduksjon<\/h2>\n<p>JY-GBL Polymer vanntett membran er et komposittmateriale som best\u00e5r av lag av polyetylen og polypropylen, utviklet som en utvidelse av tradisjonelle vanntettings- og anti-siveringsprodukter. Den inneholder polyetylen som kjernevannlaget, kombinert med h\u00f8yfast ikke-vevd stoff av polypropylen eller polyesterfiber p\u00e5 overflaten, sammen med tilsetningsstoffer som ultrafiolette lysbarrierer og anti-aldringsmidler. Denne membranen produseres gjennom en engangs ekstruderingsprosess ved hjelp av spesialisert utstyr, noe som resulterer i en flerlagsstruktur som integrerer den ikke-vevde stoffoverflaten med polyetylen-polypropylen-undersiden. Standardspesifikasjoner inkluderer tykkelser fra 0,7 mm til 1,2 mm, lengder p\u00e5 50 m eller 100 m per rull og en bredde p\u00e5 1,2 m. Vanlige egenskaper som er rapportert for lignende polyetylen-polypropylen-membraner inkluderer motstand mot aldring, forvitring og korrosjon, samt strekkfasthet egnet for byggeapplikasjoner. Disse materialene brukes vanligvis i taktekking, kjellere, bad, tunneler, demninger og andre sivile eller industrielle prosjekter som krever fuktbeskyttelse og ugjennomtrengelighet. Installasjon inneb\u00e6rer ofte direkte binding med sement eller andre underlag under konstruksjonen.<\/p>\n<table style=\"width: 100%; text-align: center; border-radius: 8px; overflow: hidden; background-color: #f8fafc;\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<td style=\"background-color: #eef2f7;\">Tykkelse (mm)<\/td>\n<td>0,7\uff5e1,2<\/td>\n<td style=\"background-color: #eef2f7;\">Lengde (m)<\/td>\n<td>50 \/ 100<\/td>\n<td style=\"background-color: #eef2f7;\">Bredde (m)<\/td>\n<td>1.2<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #eef2f7;\">Flate<\/td>\n<td>Ikke-vevd stoff<\/td>\n<td style=\"background-color: #eef2f7;\">Underflate<\/td>\n<td colspan=\"3\">Polyetylen polypropylen<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1401 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-Polyethylene-Polypropylene-Waterproofing-Membrane_1_1-scaled.webp\" alt=\"JY-GBL Polymer Vanntett Membran Polyetylen Polypropylen Vanntett Membran\" width=\"2560\" height=\"1810\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-Polyethylene-Polypropylene-Waterproofing-Membrane_1_1-scaled.webp 2560w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-Polyethylene-Polypropylene-Waterproofing-Membrane_1_1-1280x905.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-Polyethylene-Polypropylene-Waterproofing-Membrane_1_1-980x693.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-Polyethylene-Polypropylene-Waterproofing-Membrane_1_1-480x339.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2560px, 100vw\" \/><\/p>\n<h3 dir=\"auto\">Produktfunksjoner<\/h3>\n<ul dir=\"auto\">\n<li><strong>Fysiske egenskaper<\/strong>Viser anti-aldring, antioksidasjon og korrosjonsbestandighet. Gir fleksibilitet for b\u00f8ying uten \u00e5 brekke, samt strekkfasthet og motstand mot perforering.<\/li>\n<li><strong>Kompatibilitet mellom grunnflater<\/strong>Krever minimal forberedelse; installasjonen kan foreg\u00e5 p\u00e5 fuktige overflater uten stillest\u00e5ende vann. Etter nedb\u00f8r kan overfl\u00f8dig vann fjernes for \u00e5 muliggj\u00f8re umiddelbar bygging, noe som bidrar til raskere prosjekttid.<\/li>\n<li><strong>Punkteringsmotstand<\/strong>Utviklet for bruk p\u00e5 gr\u00f8nne planteoverflater, og gir motstand mot punktering og evnen til \u00e5 forhindre rotgjennomtrengning, noe som bidrar til effektiv vanntetting.<\/li>\n<li><strong>Komposittstruktur<\/strong>Integreres med polymersementbindematerialer for bruk sammen med coilmaterialer, og danner et system som st\u00f8tter milj\u00f8hensyn.<\/li>\n<li><strong>Milj\u00f8egenskaper<\/strong>Giftfri, luktfri og fri for forurensning.<\/li>\n<\/ul>\n<p dir=\"auto\">Ytterligere egenskaper basert p\u00e5 lignende polyetylen-polypropylenmembraner inkluderer UV-stabilitet for utend\u00f8rs eksponering, en flerlagsdesign med en vanntett kjerne og beskyttende lag, og en levetid p\u00e5 over 50 \u00e5r under typiske forhold. Disse membranene opprettholder integritet over et temperaturomr\u00e5de, motst\u00e5r sprekkdannelser ved lave temperaturer (ned til -40 \u00b0C) og deformasjon ved h\u00f8ye temperaturer (opptil +100 \u00b0C), samtidig som de gir sterk vedheft til underlag.<\/p>\n<p dir=\"auto\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1408 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane_1-scaled.webp\" alt=\"JY-GBL Polymer Vanntett Membran PE PP Polyetylen Polypropylen Vanntett Membran\" width=\"2560\" height=\"2560\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane_1-scaled.webp 2560w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane_1-1280x1280.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane_1-980x980.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane_1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2560px, 100vw\" \/><\/p>\n<h3>Ytelse<\/h3>\n<table style=\"width: 100%; text-align: center; border-radius: 8px; overflow: hidden; background-color: #f8fafc;\" border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<tbody>\n<tr style=\"background-color: #eef2f7;\">\n<th>Ingen.<\/th>\n<th colspan=\"2\">Punkt<\/th>\n<th>Enhet<\/th>\n<th>Indeks<\/th>\n<\/tr>\n<tr>\n<td rowspan=\"3\">1<\/td>\n<td colspan=\"2\" rowspan=\"3\">Tillatt st\u00f8rrelsesavvik<\/td>\n<td>%<\/td>\n<td>\u00b110<\/td>\n<\/tr>\n<tr>\n<td>%<\/td>\n<td>\u00b11<\/td>\n<\/tr>\n<tr>\n<td>%<\/td>\n<td>Negative verdier er ikke tillatt<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">2<\/td>\n<td colspan=\"2\">Strekkfasthet ved brudd (romtemperatur)<\/td>\n<td>MPa<\/td>\n<td>\u2265 7,5<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Strekkfasthet ved brudd (60 \u2103)<\/td>\n<td>MPa<\/td>\n<td>\u2265 2,3<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">3<\/td>\n<td colspan=\"2\">Strekkforlengelse ved brudd (ved romtemperatur)<\/td>\n<td>%<\/td>\n<td>\u2265 450<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Strekkforlengelse ved brudd (-20 \u2103)<\/td>\n<td>%<\/td>\n<td>\u2265 200<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td colspan=\"2\">Rivestyrke<\/td>\n<td>KN\/m\u00b2<\/td>\n<td>\u2265 25<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td colspan=\"2\">Ugjennomtrengelighet (30 minutter)<\/td>\n<td>*<\/td>\n<td>0,3 MPa Ingen lekkasje<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td colspan=\"2\">Lav temperatur b\u00f8yetemperatur<\/td>\n<td>\u2103<\/td>\n<td>\u2264 -40 uten sprekker<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">7<\/td>\n<td colspan=\"2\" rowspan=\"2\">Varmeekspansjonsmengde<\/td>\n<td>mm<\/td>\n<td>\u2264 2<\/td>\n<\/tr>\n<tr>\n<td>mm<\/td>\n<td>\u2264 4<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">8<\/td>\n<td colspan=\"2\" rowspan=\"2\">Varmluftsaldring ved 80 \u2103 i 168 timer<\/td>\n<td>%<\/td>\n<td>\u2265 80<\/td>\n<\/tr>\n<tr>\n<td>%<\/td>\n<td>\u2265 70<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">9<\/td>\n<td rowspan=\"2\">Alkali (mettet Ca(OH)2-l\u00f8sning ved romtemperatur x 68 timer)<\/td>\n<td>Retensjonshastighet for bruddstrekkfasthet<\/td>\n<td>%<\/td>\n<td>\u2265 80<\/td>\n<\/tr>\n<tr>\n<td>Retensjonshastighet for forlengelse ved brudd<\/td>\n<td>%<\/td>\n<td>\u2265 80<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td colspan=\"2\">Ozonaldring (40 \u2103 X 168t) Forlengelseshastighet 40%, 500 \u00d7 10\u207b\u00b2<\/td>\n<td>*<\/td>\n<td>Ingen sprekker<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">11<\/td>\n<td colspan=\"2\" rowspan=\"2\">kunstig forvitring<\/td>\n<td>%<\/td>\n<td>\u2265 80<\/td>\n<\/tr>\n<tr>\n<td>%<\/td>\n<td>\u2265 70<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 dir=\"auto\">Bruksomr\u00e5der<\/h3>\n<ul dir=\"auto\">\n<li><strong>Taksystemer<\/strong>Brukes p\u00e5 flate, skr\u00e5tak eller gr\u00f8nne tak i n\u00e6ringsbygg og boligbygg for \u00e5 forhindre lekkasjer og fuktinntrengning.<\/li>\n<li><strong>Kjellere og underjordiske strukturer<\/strong>Brukes til vanntetting av fundamenter, vegger og gulv i omr\u00e5der under bakken for \u00e5 beskytte mot grunnvann og lekkasje.<\/li>\n<li><strong>Tunneler og undergrunnsbaner<\/strong>Installert i transportinfrastruktur som tunneler, undergrunnsbaner, motorveier, jernbaner og kulverter for ugjennomtrengelighet og korrosjonsbestandighet.<\/li>\n<li><strong>Broer og kommunale prosjekter<\/strong>Egnet for broer og andre anleggsarbeider som krever holdbarhet under deformasjon og milj\u00f8belastning.<\/li>\n<li><strong>Vannlagring og hydrauliske konstruksjoner<\/strong>Brukes i tanker, reservoarer, demninger, demninger, kunstige innsj\u00f8er, sv\u00f8mmebassenger, kanaler og vanningssystemer for \u00e5 holde p\u00e5 vann og forhindre lekkasjer.<\/li>\n<li><strong>Innvendige v\u00e5tomr\u00e5der<\/strong>Brukes p\u00e5 bad, kj\u00f8kken, balkonger, toaletter og lignende omr\u00e5der for fuktsikring av overflater.<\/li>\n<li><strong>Utvendige omr\u00e5der over bakken<\/strong>Brukes p\u00e5 balkonger, parkeringsdekk, takterrasser og plasser der v\u00e6rp\u00e5virkning krever p\u00e5litelige barrierer.<\/li>\n<\/ul>\n<h3 dir=\"auto\">Installasjonsveiledning<\/h3>\n<p>Denne veiledningen beskriver standard installasjonsprosess basert p\u00e5 produktets egenskaper og vanlige praksiser for lignende polyetylen-polypropylen-komposittmembraner. F\u00f8lg alltid lokale byggeforskrifter, produsentspesifikasjoner og sikkerhetsprotokoller. Verkt\u00f8y som vanligvis kreves inkluderer en universalkniv, ruller, sparkel og limapplikatorer. S\u00f8rg for at underlaget er strukturelt i orden f\u00f8r du begynner.<\/p>\n<ul>\n<li><b>Overflateforberedelse:<\/b> Rengj\u00f8r underlaget grundig for \u00e5 fjerne smuss, st\u00f8v, rusk og l\u00f8se materialer. Bruk en fuktig svamp eller kost til rengj\u00f8ring. Overflaten skal v\u00e6re fri for olje, fett eller forurensninger. For gips eller por\u00f8se underlag, p\u00e5f\u00f8r en kompatibel grunning og la den t\u00f8rke helt. Dette trinnet sikrer god heft og forhindrer problemer under p\u00e5f\u00f8ring.<\/li>\n<li><b>P\u00e5f\u00f8ring av grunning eller lim:<\/b> Forbered et polyuretanbasert lim eller polymersementbindemiddel i henhold til spesifiserte mengder (vanligvis blandet p\u00e5 stedet). P\u00e5f\u00f8r det jevnt over basislaget med en sparkel, med fokus p\u00e5 komplekse omr\u00e5der som hj\u00f8rner, r\u00f8rr\u00f8tter og kanter. La limet feste seg om n\u00f8dvendig, men fortsett mens det fortsatt er ferskt for liming.<\/li>\n<li><b>Spesialbehandling av omr\u00e5der: <\/b>I s\u00e5rbare vanntettingsomr\u00e5der som r\u00f8rgjennomf\u00f8ringer, ekspansjonsfuger, innvendige\/utvendige hj\u00f8rner p\u00e5 bakken og veggene, p\u00e5f\u00f8r et ekstra lag med <a href=\"https:\/\/great-ocean-waterproof.com\/nb\/polyurethane-waterproof-coating\/\">polyuretanbelegg<\/a> eller kompatibelt tetningsmiddel som forsterkning. For r\u00f8r, bruk forh\u00e5ndskuttede krager eller tetninger hvis tilgjengelig; legg dem inn i limet. Skj\u00e6r membranen slik at den passer rundt disse funksjonene, og s\u00f8rg for at det ikke er noen hull.<\/li>\n<li><b>Membranlegging: <\/b>Rull ut membranen fra det laveste punktet eller den nederste kanten, og arbeid deg oppover for \u00e5 unng\u00e5 at det kommer luft i den. Juster den forsiktig og legg den inn i limet med en rulle eller et brett for \u00e5 fjerne luftlommer og sikre full kontakt. For vegger eller vertikale flater, start ved bunnen og overlapp p\u00e5f\u00f8lgende ark. Oppretthold jevn tykkelse under montering.<\/li>\n<li><b>H\u00e5ndtering av ledd og overlapping:<\/b> Overlapp tilst\u00f8tende ruller med minst 50\u2013150 mm for \u00e5 lage sikre skj\u00f8ter. Fest overlappinger midlertidig med teip eller flekker av limmateriale. P\u00e5f\u00f8r deretter et spesiallim for overlappingsfuger langs s\u00f8mmene, etterfulgt av et tetningsmiddel for endelig lukking. Rull over skj\u00f8tene for \u00e5 sikre at de er flate og vanntette. V\u00e6r oppmerksom p\u00e5 overlappinger og gjennomf\u00f8ringer i enden for fullstendig tetting.<\/li>\n<li><b>Etterbehandling og inspeksjon:<\/b> Etter installasjon, kontroller for bobler, rynker eller utette omr\u00e5der. Reparer eventuelle defekter umiddelbart med ekstra membranlapper og tetningsmiddel. La systemet herde i henhold til liminstruksjonene f\u00f8r du p\u00e5f\u00f8rer overflatebehandlinger som fliser eller bakfyll. Under fuktige forhold kan installasjonen fortsette p\u00e5 overflater uten s\u00f8lepytter, men s\u00f8rg for at det ikke er stillest\u00e5ende vann.<\/li>\n<li><b>Merknader etter installasjon:<\/b> Beskytt den installerte membranen mot skader under senere konstruksjon. For flislegging, bruk umodifisert eller modifisert tynnherdende m\u00f8rtel direkte over membranen. Test for lekkasjer hvis aktuelt, og oppbevar ubrukte ruller p\u00e5 et t\u00f8rt og kj\u00f8lig sted.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1409 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane-2_1-scaled.webp\" alt=\"JY-GBL Polymer Vanntett Membran PE PP Polyetylen Polypropylen Vanntett Membran\" width=\"2560\" height=\"2560\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane-2_1-scaled.webp 2560w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane-2_1-1280x1280.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane-2_1-980x980.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane-2_1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2560px, 100vw\" \/><\/p>\n<h3 dir=\"auto\">Sammenligning: JY-GBL polymer vanntett membran (polyetylenpolypropylen) vs. TPO-membraner<\/h3>\n<p dir=\"auto\">JY-GBL er en kompositt vanntett membran laget av polyetylen som kjernelag med polypropylen- eller polyesterfiberduk, tilsetningsstoffer for UV- og aldringsbestandighet, og produsert via ekstrudering. I motsetning til dette er TPO-membraner (termoplastisk polyolefin) vanligvis enkeltlagsplater som blander polypropylen og etylen-propylengummi, ofte forsterket med polyestervev. Selv om begge dekker vanntettingsbehov i konstruksjon, varierer de i sammensetning, ytelse og typiske bruksomr\u00e5der. Nedenfor er en side-ved-side-sammenligning basert p\u00e5 standardegenskaper.<\/p>\n<div>\n<div dir=\"auto\">\n<table style=\"width: 100%;\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th data-col-size=\"sm\">Trekk<\/th>\n<th data-col-size=\"lg\">JY-GBL PE\/PP-membran<\/th>\n<th data-col-size=\"lg\">TPO-membran<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"sm\"><strong>Komposisjon<\/strong><\/td>\n<td data-col-size=\"lg\">Flerlagskompositt: Polyetylenkjerne, overflate av h\u00f8yfast polypropylen\/polyester ikke-vevd stoff, med UV-barrierer og antialdringsmidler.<\/td>\n<td data-col-size=\"lg\">Homogen blanding: Polypropylen og etylen-propylengummi, vanligvis med polyesterforsterkning og uten tilsatte myknere for fleksibilitet.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Tykkelse<\/strong><\/td>\n<td data-col-size=\"lg\">0,7\u20131,2 mm.<\/td>\n<td data-col-size=\"lg\">Vanligvis 1,1\u20132,0 mm (45\u201380 mil).<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Typisk levetid<\/strong><\/td>\n<td data-col-size=\"lg\">Opptil 50+ \u00e5r under normale forhold, med sterk motstand mot aldring og forvitring.<\/td>\n<td data-col-size=\"lg\">15\u201330 \u00e5r, avhengig av kvalitet; nyere formuleringer kan variere, men noen viser nedbrytning etter 10\u201320 \u00e5r.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Holdbarhet og motstand<\/strong><\/td>\n<td data-col-size=\"lg\">God motstand mot aldring, oksidasjon, korrosjon og punktering; h\u00e5ndterer rotgjennomtrengning for gr\u00f8nne tak; fleksibel uten \u00e5 brekke; egnet for fuktige underlag.<\/td>\n<td data-col-size=\"lg\">Sterk UV- og varmebestandighet i starten; god punkterings- og rivestyrke; men kan absorbere oljer\/fett som f\u00f8rer til havari; refleksjonsevnen kan avta over tid.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Kjemisk motstand<\/strong><\/td>\n<td data-col-size=\"lg\">Korrosjonsbestandig; giftfri og forurensningsfri.<\/td>\n<td data-col-size=\"lg\">Moderat; d\u00e5rlig mot fett, syrer eller kjemikalier fra eksos; bedre i rene milj\u00f8er.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Temperaturomr\u00e5de<\/strong><\/td>\n<td data-col-size=\"lg\">Beholder integriteten fra -40 \u00b0C til +100 \u00b0C; motst\u00e5r sprekkdannelser og deformasjon.<\/td>\n<td data-col-size=\"lg\">Fungerer bra i varme, men kan brytes ned under ekstreme temperaturer; fleksibel i moderate klimaer.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Installasjon<\/strong><\/td>\n<td data-col-size=\"lg\">Binder seg med polymersement; kan installeres p\u00e5 fuktige overflater; overlappinger forsegles med lim; egnet for komplekse omr\u00e5der som r\u00f8r og hj\u00f8rner.<\/td>\n<td data-col-size=\"lg\">Varmesveisede s\u00f8mmer; lette og enkle \u00e5 installere; krever t\u00f8rre, rene overflater; utsatt for s\u00f8mproblemer hvis det ikke gj\u00f8res riktig.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Bruksomr\u00e5der<\/strong><\/td>\n<td data-col-size=\"lg\">Allsidig: Tak, kjellere, tunneler, broer, vanntanker, interi\u00f8r (f.eks. bad) og gr\u00f8nne planteflater.<\/td>\n<td data-col-size=\"lg\">Prim\u00e6rt flate\/lavt fallende tak; vanlig i n\u00e6ringsbygg for energieffektivitet; mindre ideelt for underjordiske eller v\u00e5te omr\u00e5der.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Koste<\/strong><\/td>\n<td data-col-size=\"lg\">Generelt \u00f8konomisk for brede vanntettingsbehov; rullst\u00f8rrelser (50\/100 m lengde, 1,2 m bredde) gir effektiv dekning.<\/td>\n<td data-col-size=\"lg\">Ofte det billigste alternativet med ett lag, men langsiktig utskifting kan \u00f8ke kostnadene.<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"sm\"><strong>Milj\u00f8p\u00e5virkning<\/strong><\/td>\n<td data-col-size=\"lg\">Giftfri, luktfri, forurensningsfri; resirkulerbare komponenter.<\/td>\n<td data-col-size=\"lg\">Resirkulerbare; reflekterende overflater bidrar til energibesparelser, men noen formuleringer er avhengige av brannhemmere.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<\/div>\n<\/div>\n<p dir=\"auto\">Oppsummert tilbyr JY-GBL PE\/PP-membranen bredere allsidighet i bruk og potensielt lengre levetid i varierte milj\u00f8er, mens TPO utmerker seg som kostnadseffektiv taktekking med reflekterende egenskaper for kj\u00f8ling. Valget avhenger av prosjektspesifikasjoner som eksponering for kjemikalier eller installasjonsforhold.<\/p>\n<h2 dir=\"auto\">Kundevurderinger<\/h2>\n<p><b>John R., USA (Entrepren\u00f8r, kjellervanntettingsprosjekt)<\/b> Jeg brukte denne membranen til en kjellerrenovering i et fuktig omr\u00e5de. Den festet seg godt til den fuktige betongen uten mye forberedelse, og etter et \u00e5r var det ingen tegn til lekkasje til tross for kraftig regn. Rullene var enkle \u00e5 h\u00e5ndtere, men jeg trengte ekstra lim til overlappingene. Solid valg for arbeid under jorden, men planlegg litt trimming rundt r\u00f8r. <b>Elena S., Tyskland (ingeni\u00f8r, tunnelforing)<\/b> Brukte dette i et lite tunnelprosjekt der korrosjonsbestandighet var avgj\u00f8rende. Materialet holdt stand under installasjon p\u00e5 ujevne overflater, og punkteringsmotstanden hjalp med den steinete basen. Vi har overv\u00e5ket det i seks m\u00e5neder \u2013 ingen problemer med vanninntrengning. Det er ikke det billigste alternativet, men det fungerer som forventet i industrielle omgivelser. <b>Michael T., Australia (huseier, takmontering)<\/b> Installerte dette p\u00e5 mitt flate takutvidelse. Det var fleksibelt nok til \u00e5 f\u00f8lge konturene, og UV-barrieren ser ut til \u00e5 gj\u00f8re jobben sin i solen. Ingen lekkasjer etter de siste stormene, men jeg m\u00e5tte dobbeltsjekke s\u00f8mmene for \u00e5 sikre at de var ordentlig forseglet. Bra for utend\u00f8rs eksponering, men jeg vil anbefale profesjonell hjelp for st\u00f8rre omr\u00e5der. <b>Aiko H., Japan (Bygger, vannlagringstank)<\/b> Vi brukte den til \u00e5 fore en kommunal vanntank. De giftfrie egenskapene var viktige for samsvar, og den festet seg jevnt til polymersementen. Etter testing inneholdt den vann uten deformasjon. H\u00e5ndteringen var enkel, men bredden begrenset dekningen p\u00e5 trange steder \u2013 m\u00e5tte bestille ekstra ruller. <b>Carlos M., Mexico (Landskapsarkitekt, Gr\u00f8nne taksystemer)<\/b> Plasser dette under en takhage for \u00e5 blokkere rotgjennomtrengning. Det fungerte fint mot plantenes vekst i \u00e5tte m\u00e5neder, og antialdringsmidlene ser ut til \u00e5 opprettholde sin integritet i varmt v\u00e6r. Installasjonen gikk knirkefritt p\u00e5 den forberedte overflaten, men overlappinger krevde n\u00f8ye oppmerksomhet for \u00e5 unng\u00e5 hull. P\u00e5litelig for planting. <img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-962 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1.webp\" alt=\"tilbakemeldinger fra kunder\" width=\"2245\" height=\"1587\" srcset=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1.webp 2245w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1-1280x905.webp 1280w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1-980x693.webp 980w, https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1-480x339.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 2245px, 100vw\" \/><\/p>\n<h2>Om fabrikken v\u00e5r: Great Ocean Waterproof<\/h2>\n<p><b>Selskapsoversikt<\/b> Great Ocean Waterproof Technology Co., Ltd. (tidligere Weifang Great Ocean New Waterproof Materials Co., Ltd.) ble etablert i 1999. Bedriften ligger i Kinas st\u00f8rste base for vanntette materialer i Tai Tou Town i Shouguang City, og er en h\u00f8yteknologisk bedrift som spesialiserer seg p\u00e5 vanntetting. Bedriften integrerer forskning og utvikling, produksjon og salg. <b>Fabrikkdetaljer<\/b> Fabrikken dekker et omr\u00e5de p\u00e5 26 000 kvadratmeter. Gjennom \u00e5revis med utvikling og innovasjon har den utstyrt flere avanserte produksjonslinjer for membraner, plater og belegg p\u00e5 et ledende innenlandsk niv\u00e5. <b>Hovedprodukter<\/b> Selskapet tilbyr dusinvis av vanntettingsprodukter, inkludert:<\/p>\n<ul>\n<li>Polyetylen polypropylen (polyester) polymer vanntett membran<\/li>\n<li><a href=\"https:\/\/great-ocean-waterproof.com\/nb\/product\/pvc-polyvinyl-chloride-waterproofing-membrane-pvc-membrane-waterproofing\/\">Vanntett membran av polyvinylklorid (PVC)<\/a><\/li>\n<li><a href=\"https:\/\/great-ocean-waterproof.com\/nb\/product\/tpo-thermoplastic-polyolefin-waterproofing-membrane\/\">Termoplastisk polyolefin (TPO) vanntett membran<\/a><\/li>\n<li>H\u00f8yhastighetstog dedikert til vanntett membran av klorert polyetylen (CPE)<\/li>\n<li>Polymer polypropylen selvklebende vanntett membran<\/li>\n<li>Ikke-asfaltbasert reaktiv, forh\u00e5ndsp\u00e5f\u00f8rt polymer selvklebende film vanntett membran<\/li>\n<li>Sterk krysslaminert filmpolymerreaktiv lim vanntett membran<\/li>\n<li>Beskyttende dreneringsbrett<\/li>\n<li>Elastomer\/plastomermodifisert bitumen vanntett membran<\/li>\n<li>Asfaltbasert selvklebende vanntett membran<\/li>\n<li>Polymermodifisert bitumen rotbestandig vanntett membran<\/li>\n<li>Metallbasert polymer rotbestandig vanntett membran<\/li>\n<li>Rotbestandig polymer polyetylen polypropylen (polyester) vanntett membran<\/li>\n<li>Rotbestandig polyvinylklorid PVC vanntett membran<\/li>\n<li><a href=\"https:\/\/great-ocean-waterproof.com\/nb\/product\/jy-spu-single-componacent-polyurethane-waterproof-coating\/\">Enkomponents polyuretan vanntett belegg<\/a><\/li>\n<li><a href=\"https:\/\/great-ocean-waterproof.com\/nb\/product\/jy-dpu-double-components-polyurethane-waterproof-coating\/\">To-komponents polyuretan vanntett belegg<\/a><\/li>\n<li><a href=\"https:\/\/great-ocean-waterproof.com\/nb\/product\/jy-jss-polymer-cement-waterproof-coating\/\">Polymersement (JS) kompositt vanntett belegg<\/a><\/li>\n<li><a href=\"https:\/\/great-ocean-waterproof.com\/nb\/product\/jy-951-waterborne-polyurethane-waterproof-coating\/\">Vannbasert (951) polyuretan vanntett belegg<\/a><\/li>\n<li>Polyetylen polypropylen (polyester) spesialt\u00f8rrpulverlim<\/li>\n<li>Sementbasert permeabelt krystallinsk vanntett belegg<\/li>\n<li>Spray hurtigherdende gummiasfalt vanntett belegg<\/li>\n<li>Ikke-herdende gummiasfalt vanntett belegg<\/li>\n<li>Yttervegg gjennomsiktig vanntett lim<\/li>\n<li>H\u00f8y-elastisk flytende membran vanntett belegg<\/li>\n<li>Selvklebende asfalt vanntett tape<\/li>\n<li>Selvklebende tape av butylgummi<\/li>\n<\/ul>\n<p><b>Teknisk styrke og kvalitetssikring<\/b> Selskapet kan skryte av sterk teknisk kapasitet med et team av profesjonelle teknikere, avansert utstyr og komplette testinstrumenter. Produktene er stabile og p\u00e5litelige, sertifisert av nasjonale, autoritative testinstitusjoner. Det har oppn\u00e5dd tittelen \u201cComprehensive Quality Management Standard\u201d fra det nasjonale landbruksdepartementet og best\u00e5tt sertifisering av kvalitetssikringssystemer. I tillegg har det betegnelser som \u201cNational Authoritative Testing Qualified Product\u201d fra China Quality Inspection Association, Shandong-provinsens \u201cIndustrial Construction Product Filing Certificate\u201d, \u201cIndustrial Product Product Product License\u201d og \u201cCE-sertifisering\u201d.\u201d <b>Marked og omd\u00f8mme<\/b> Selskapet vektlegger kontraktsoverholdelse og troverdighet. Produktene deres selges i over 20 provinser og regioner over hele Kina og eksporteres til en rekke land og regioner i utlandet, noe som gir positive tilbakemeldinger fra brukerne. <b>Forretningsfilosofi<\/b> Great Ocean Waterproof Technology Co., Ltd. benytter en moderne ledelsesmekanisme, styrt av bedrifts\u00e5nden \u201cintegritet, pragmatisme, innovasjon\u201d og form\u00e5let om \u201cvinn-vinn-deling\u201d. Det tilbyr produkter med h\u00f8y kostnadsytelse og kvalitetstjenester for \u00e5 samarbeide med kunder i voksende markeder og skape nye prestasjoner.<\/p>\n<p><iframe loading=\"lazy\" title=\"Oppdag Great Ocean Waterproof: Ledende innovasjon innen vanntettingsl\u00f8sninger siden 1999\" width=\"1080\" height=\"608\" src=\"https:\/\/www.youtube.com\/embed\/IKMWgr-NHKU?feature=oembed\"  allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>","protected":false},"excerpt":{"rendered":"<p dir=\"auto\">JY-GBL Polymer vanntett membran er en vanntett membran av polyetylen og polypropylen som er utviklet for \u00e5 m\u00f8te moderne tekniske behov for vanntetting og anti-siveringsapplikasjoner. Den best\u00e5r av polyetylen, h\u00f8yfast polypropylen- eller polyesterfiber-ikke-vevd stoff, ultrafiolette lysbarrierer, antialdringsmidler og andre makromolekyl\u00e6re materialer, produsert gjennom engangsekstrudering ved hjelp av oppdatert teknologi og utstyr. Som produsent i Kina tilbyr fabrikken v\u00e5r dette produktet med standard prisalternativer tilgjengelig p\u00e5 foresp\u00f8rsel.<\/p>","protected":false},"featured_media":1400,"template":"","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"[embed]https:\/\/youtu.be\/1yQKVzJyiX8[\/embed]\r\n<h2>Product Introduction<\/h2>\r\nThe JY-GBL Polymer Waterproof Membrane is a composite material consisting of polyethylene and polypropylene layers, developed as an extension of traditional waterproofing and anti-seepage products. It incorporates polyethylene as the core waterproof layer, combined with high-strength polypropylene or polyester fiber non-woven fabric on the surface, along with additives such as ultraviolet light barriers and anti-aging agents.\r\n\r\nThis membrane is produced through a one-time extrusion process using specialized equipment, resulting in a multi-layer structure that integrates the non-woven fabric surface with the polyethylene-polypropylene underface. Standard specifications include thicknesses ranging from 0.7 mm to 1.2 mm, lengths of 50 m or 100 m per roll, and a width of 1.2 m.\r\n\r\nCommon properties reported for similar polyethylene-polypropylene membranes include resistance to aging, weathering, and corrosion, as well as tensile strength suitable for construction applications. These materials are typically used in roofing, basements, bathrooms, tunnels, dams, and other civil or industrial projects requiring moisture protection and impermeability. Installation often involves direct bonding with cement or other substrates during construction.\r\n<table style=\"width: 100%;text-align: center;border-radius: 8px;overflow: hidden;background-color: #f8fafc\" border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\r\n<tbody>\r\n<tr>\r\n<td style=\"background-color: #eef2f7\">Thickness(mm)<\/td>\r\n<td>0.7\uff5e1.2<\/td>\r\n<td style=\"background-color: #eef2f7\">Length(m)<\/td>\r\n<td>50 \/ 100<\/td>\r\n<td style=\"background-color: #eef2f7\">Width(m)<\/td>\r\n<td>1.2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td style=\"background-color: #eef2f7\">Surface<\/td>\r\n<td>Non-woven fabric<\/td>\r\n<td style=\"background-color: #eef2f7\">Underface<\/td>\r\n<td colspan=\"3\">Polyethylene polypropylene<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<img class=\"size-full wp-image-1401 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-Polyethylene-Polypropylene-Waterproofing-Membrane_1_1-scaled.webp\" alt=\"JY-GBL Polymer Waterproof Membrane Polyethylene Polypropylene Waterproofing Membrane\" width=\"2560\" height=\"1810\" \/>\r\n<h3 dir=\"auto\">Product Features<\/h3>\r\n<ul dir=\"auto\">\r\n \t<li><strong>Physical Properties<\/strong>: Exhibits anti-aging, anti-oxidation, and corrosion resistance. Offers flexibility for bending without breaking, along with tensile strength and resistance to perforation.<\/li>\r\n \t<li><strong>Base Surface Compatibility<\/strong>: Requires minimal preparation; installation can proceed on damp surfaces without standing water. After rainfall, excess water can be removed to allow immediate construction, supporting faster project timelines.<\/li>\r\n \t<li><strong>Puncture Resistance<\/strong>: Designed for use on green planting surfaces, providing resistance to punctures and the ability to prevent root penetration, which contributes to effective waterproofing.<\/li>\r\n \t<li><strong>Composite Structure<\/strong>: Integrates with polymer cement bonding materials for use alongside coil materials, forming a system that supports environmental considerations.<\/li>\r\n \t<li><strong>Environmental Attributes<\/strong>: Non-toxic, odorless, and free from pollution.<\/li>\r\n<\/ul>\r\n<p dir=\"auto\">Additional properties based on similar polyethylene polypropylene membranes include UV stability for outdoor exposure, a multi-layer design with a waterproof core and protective layers, and a lifespan exceeding 50 years under typical conditions. These membranes maintain integrity across a temperature range, resisting cracking at low temperatures (down to -40\u00b0C) and deformation at high temperatures (up to +100\u00b0C), while providing strong adhesion to substrates.<\/p>\r\n<p dir=\"auto\"><img class=\"size-full wp-image-1408 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane_1-scaled.webp\" alt=\"JY-GBL Polymer Waterproof Membrane PE PP Polyethylene Polypropylene Waterproofing Membrane\" width=\"2560\" height=\"2560\" \/><\/p>\r\n\r\n<h3>Performance<\/h3>\r\n<table style=\"width: 100%;text-align: center;border-radius: 8px;overflow: hidden;background-color: #f8fafc\" border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\r\n<tbody>\r\n<tr style=\"background-color: #eef2f7\">\r\n<th>No.<\/th>\r\n<th colspan=\"2\">Item<\/th>\r\n<th>Unit<\/th>\r\n<th>Index<\/th>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"3\">1<\/td>\r\n<td colspan=\"2\" rowspan=\"3\">Allowable size deviation<\/td>\r\n<td>%<\/td>\r\n<td>\u00b110<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>%<\/td>\r\n<td>\u00b11<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>%<\/td>\r\n<td>Negative values are not allowed<\/td>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"2\">2<\/td>\r\n<td colspan=\"2\">Tensile strength at break (room temperature)<\/td>\r\n<td>MPa<\/td>\r\n<td>\u2265 7.5<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\">Tensile strength at break (60 \u2103)<\/td>\r\n<td>MPa<\/td>\r\n<td>\u2265 2.3<\/td>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"2\">3<\/td>\r\n<td colspan=\"2\">Tensile elongation at break (at room temperature)<\/td>\r\n<td>%<\/td>\r\n<td>\u2265 450<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\">Tensile elongation at break (-20 \u2103)<\/td>\r\n<td>%<\/td>\r\n<td>\u2265 200<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td colspan=\"2\">Tear strength<\/td>\r\n<td>KN\/m<\/td>\r\n<td>\u2265 25<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td colspan=\"2\">Impermeability (30 minutes)<\/td>\r\n<td>*<\/td>\r\n<td>0.3Mpa No leakage<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td colspan=\"2\">Low temperature bending temperature<\/td>\r\n<td>\u2103<\/td>\r\n<td>\u2264 -40 without cracks<\/td>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"2\">7<\/td>\r\n<td colspan=\"2\" rowspan=\"2\">Heating expansion amount<\/td>\r\n<td>mm<\/td>\r\n<td>\u2264 2<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>mm<\/td>\r\n<td>\u2264 4<\/td>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"2\">8<\/td>\r\n<td colspan=\"2\" rowspan=\"2\">Hot air aging at 80 \u2103 for 168h<\/td>\r\n<td>%<\/td>\r\n<td>\u2265 80<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>%<\/td>\r\n<td>\u2265 70<\/td>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"2\">9<\/td>\r\n<td rowspan=\"2\">Alkali (Saturated Ca(OH)2 solution at room temperature X68h)<\/td>\r\n<td>Fracture tensile strength retention rate<\/td>\r\n<td>%<\/td>\r\n<td>\u2265 80<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Retention rate of elongation at break<\/td>\r\n<td>%<\/td>\r\n<td>\u2265 80<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>10<\/td>\r\n<td colspan=\"2\">Ozone aging (40 \u2103 X168h) Elongation rate 40%,500\u00d710\u207b\u00b2<\/td>\r\n<td>*<\/td>\r\n<td>No cracks<\/td>\r\n<\/tr>\r\n<tr>\r\n<td rowspan=\"2\">11<\/td>\r\n<td colspan=\"2\" rowspan=\"2\">artificial weathering<\/td>\r\n<td>%<\/td>\r\n<td>\u2265 80<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>%<\/td>\r\n<td>\u2265 70<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3 dir=\"auto\">Applications<\/h3>\r\n<ul dir=\"auto\">\r\n \t<li><strong>Roofing Systems<\/strong>: Applied to flat, pitched, or green roofs in commercial and residential buildings to prevent leaks and moisture ingress.<\/li>\r\n \t<li><strong>Basements and Underground Structures<\/strong>: Used for waterproofing foundations, walls, and floors in below-grade areas to protect against groundwater and seepage.<\/li>\r\n \t<li><strong>Tunnels and Subways<\/strong>: Installed in transportation infrastructure like tunnels, subways, highways, railways, and culverts for impermeability and corrosion resistance.<\/li>\r\n \t<li><strong>Bridges and Municipal Projects<\/strong>: Suitable for bridges and other civic engineering works requiring durability under deformation and environmental stress.<\/li>\r\n \t<li><strong>Water Storage and Hydraulic Structures<\/strong>: Employed in tanks, reservoirs, dams, weirs, artificial lakes, swimming pools, channels, and irrigation systems to contain water and prevent leaks.<\/li>\r\n \t<li><strong>Interior Wet Areas<\/strong>: Utilized in bathrooms, kitchens, balconies, toilets, and similar spaces for moisture-proofing surfaces.<\/li>\r\n \t<li><strong>Above-Grade Exterior Areas<\/strong>: Applied to balconies, parking decks, rooftop terraces, and plazas where exposure to weather demands reliable barriers.<\/li>\r\n<\/ul>\r\n<h3 dir=\"auto\">Installation Guide<\/h3>\r\nThis guide outlines the standard installation process based on the product's characteristics and common practices for similar polyethylene polypropylene composite membranes. Always follow local building codes, manufacturer specifications, and safety protocols. Tools typically required include a utility knife, rollers, trowels, and adhesive applicators. Ensure the substrate is structurally sound before beginning.\r\n<ul>\r\n \t<li><b>Surface Preparation:<\/b> Thoroughly clean the base surface to remove dirt, dust, debris, and any loose materials. Use a damp sponge or broom for cleaning. The surface should be free of oils, grease, or contaminants. For drywall or porous substrates, apply a compatible primer and allow it to dry fully. This step ensures proper adhesion and prevents issues during application.<\/li>\r\n \t<li><b>Primer or Adhesive Application:<\/b> Prepare a polyurethane-based adhesive or polymer cement bonding material according to proportions specified (typically mixed on-site). Apply it evenly across the base layer using a trowel, focusing on complex areas such as corners, pipe roots, and edges. Allow the adhesive to tack up if required, but proceed while it's still fresh for bonding.<\/li>\r\n \t<li><b>Special Area Treatment: <\/b>In vulnerable waterproofing zones like pipe penetrations, expansion joints, internal\/external corners on grounds and walls, apply an additional layer of <a href=\"https:\/\/great-ocean-waterproof.com\/polyurethane-waterproof-coating\/\">polyurethane coating<\/a> or compatible sealant as reinforcement. For pipes, use pre-cut collars or seals if available; embed them into the adhesive. Cut the membrane to fit around these features, ensuring no gaps.<\/li>\r\n \t<li><b>Membrane Laying: <\/b>Unroll the membrane starting from the lowest point or bottom edge, working upwards to avoid trapping air. Align it carefully and embed it into the adhesive using a roller or float to remove air pockets and ensure full contact. For walls or vertical surfaces, start at the base and overlap subsequent sheets. Maintain uniform thickness during placement.<\/li>\r\n \t<li><b>Joint and Overlap Handling:<\/b> Overlap adjacent rolls by at least 2-6 inches (50-150 mm) to create secure seams. Temporarily fix overlaps with adhesive tape or spots of bonding material. Then, apply a specialized lap joint adhesive along the seams, followed by a sealant for final closure. Roll over the joints to ensure they are flat and watertight. Pay attention to end laps and penetrations for complete sealing.<\/li>\r\n \t<li><b>Finishing and Inspection:<\/b> After installation, inspect for bubbles, wrinkles, or unsealed areas. Repair any defects immediately with additional membrane patches and sealant. Allow the system to cure as per adhesive instructions before applying finishes like tiles or backfill. In damp conditions, installation can proceed on non-puddled surfaces, but ensure no standing water.<\/li>\r\n \t<li><b>Post-Installation Notes:<\/b> Protect the installed membrane from damage during subsequent construction. For tile applications, use unmodified or modified thin-set mortars directly over the membrane. Test for leaks if applicable, and store unused rolls in a dry, cool place.<\/li>\r\n<\/ul>\r\n<img class=\"size-full wp-image-1409 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2026\/01\/JY-GBL-Polymer-Waterproof-Membrane-PE-PP-Polyethylene-Polypropylene-Waterproofing-Membrane-2_1-scaled.webp\" alt=\"JY-GBL Polymer Waterproof Membrane PE PP Polyethylene Polypropylene Waterproofing Membrane\" width=\"2560\" height=\"2560\" \/>\r\n<h3 dir=\"auto\">Comparison: JY-GBL Polymer Waterproof Membrane (Polyethylene Polypropylene) vs. TPO Membranes<\/h3>\r\n<p dir=\"auto\">The JY-GBL is a composite waterproofing membrane made from polyethylene as the core layer with polypropylene or polyester non-woven fabric, additives for UV and aging resistance, and produced via extrusion. In contrast, TPO (Thermoplastic Polyolefin) membranes are typically single-ply sheets blending polypropylene and ethylene-propylene rubber, often reinforced with polyester scrim. While both serve waterproofing needs in construction, they differ in composition, performance, and typical uses. Below is a side-by-side comparison based on standard properties.<\/p>\r\n\r\n<div>\r\n<div dir=\"auto\">\r\n<table style=\"width: 100%\" border=\"1\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\r\n<thead>\r\n<tr>\r\n<th data-col-size=\"sm\">Feature<\/th>\r\n<th data-col-size=\"lg\">JY-GBL PE\/PP Membrane<\/th>\r\n<th data-col-size=\"lg\">TPO Membrane<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Composition<\/strong><\/td>\r\n<td data-col-size=\"lg\">Multi-layer composite: Polyethylene core, high-strength polypropylene\/polyester non-woven fabric surface, with UV barriers and anti-aging agents.<\/td>\r\n<td data-col-size=\"lg\">Homogeneous blend: Polypropylene and ethylene-propylene rubber, usually with polyester reinforcement and no added plasticizers for flexibility.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Thickness<\/strong><\/td>\r\n<td data-col-size=\"lg\">0.7\u20131.2 mm.<\/td>\r\n<td data-col-size=\"lg\">Commonly 1.1\u20132.0 mm (45\u201380 mils).<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Typical Lifespan<\/strong><\/td>\r\n<td data-col-size=\"lg\">Up to 50+ years under normal conditions, with strong resistance to aging and weathering.<\/td>\r\n<td data-col-size=\"lg\">15\u201330 years, depending on quality; newer formulations may vary, but some show degradation after 10\u201320 years.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Durability & Resistance<\/strong><\/td>\r\n<td data-col-size=\"lg\">Good anti-aging, oxidation, corrosion, and puncture resistance; handles root penetration for green roofs; flexible without breaking; suitable for damp bases.<\/td>\r\n<td data-col-size=\"lg\">Strong initial UV and heat resistance; good puncture and tear strength; but can absorb oils\/greases leading to breakdown; reflectivity may drop over time.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Chemical Resistance<\/strong><\/td>\r\n<td data-col-size=\"lg\">Corrosion-resistant; non-toxic and pollution-free.<\/td>\r\n<td data-col-size=\"lg\">Moderate; poor against greases, acids, or chemicals from exhausts; better in clean environments.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Temperature Range<\/strong><\/td>\r\n<td data-col-size=\"lg\">Maintains integrity from -40\u00b0C to +100\u00b0C; resists cracking and deformation.<\/td>\r\n<td data-col-size=\"lg\">Performs well in heat but may degrade under extreme highs; flexible in moderate climates.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Installation<\/strong><\/td>\r\n<td data-col-size=\"lg\">Bonds with polymer cement; can install on damp surfaces; overlaps sealed with adhesive; suitable for complex areas like pipes and corners.<\/td>\r\n<td data-col-size=\"lg\">Heat-welded seams; lightweight and easy to install; requires dry, clean surfaces; prone to seam issues if not done properly.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Applications<\/strong><\/td>\r\n<td data-col-size=\"lg\">Versatile: Roofs, basements, tunnels, bridges, water tanks, interiors (e.g., bathrooms), and green planting surfaces.<\/td>\r\n<td data-col-size=\"lg\">Primarily flat\/low-slope roofs; common in commercial buildings for energy efficiency; less ideal for underground or wet areas.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Cost<\/strong><\/td>\r\n<td data-col-size=\"lg\">Generally economical for broad waterproofing needs; roll sizes (50\/100 m length, 1.2 m width) support efficient coverage.<\/td>\r\n<td data-col-size=\"lg\">Often the lowest-cost single-ply option; but long-term replacement may add expenses.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td data-col-size=\"sm\"><strong>Environmental Impact<\/strong><\/td>\r\n<td data-col-size=\"lg\">Non-toxic, odorless, pollution-free; recyclable components.<\/td>\r\n<td data-col-size=\"lg\">Recyclable; reflective surfaces aid energy savings, but some formulations rely on fire retardants.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<div><\/div>\r\n<\/div>\r\n<\/div>\r\n<p dir=\"auto\">In summary, the JY-GBL PE\/PP membrane offers broader application versatility and potentially longer service life in varied environments, while TPO excels in cost-effective roofing with reflective properties for cooling. Choice depends on project specifics like exposure to chemicals or installation conditions.<\/p>\r\n\r\n<h2 dir=\"auto\">Customer Reviews<\/h2>\r\n<b>John R., USA (Contractor, Basement Waterproofing Project)<\/b>\r\nI used this membrane for a basement retrofit in a humid area. It adhered well to the damp concrete without much prep, and after a year, no signs of seepage despite heavy rains. The rolls were straightforward to handle, though I needed extra adhesive for the overlaps. Solid choice for underground work, but plan for some trimming around pipes.\r\n\r\n<b>Elena S., Germany (Engineer, Tunnel Lining)<\/b>\r\nApplied this in a small tunnel project where corrosion resistance was key. The material held up during installation on uneven surfaces, and its puncture resistance helped with the rocky base. We've monitored it for six months\u2014no issues with water ingress. It's not the cheapest option, but it performs as expected in industrial settings.\r\n\r\n<b>Michael T., Australia (Homeowner, Roof Application)<\/b>\r\nInstalled this on my flat roof extension. It was flexible enough to conform to the contours, and the UV barrier seems to be doing its job under the sun. No leaks after recent storms, but I had to double-check the seams to ensure they were sealed properly. Good for outdoor exposure, though I'd recommend professional help for larger areas.\r\n\r\n<b>Aiko H., Japan (Builder, Water Storage Tank)<\/b>\r\nWe used it for lining a municipal water tank. The non-toxic properties were important for compliance, and it bonded evenly with the polymer cement. After testing, it contained water without any deformation. Handling was easy, but the width limited coverage in tight spaces\u2014had to order extra rolls.\r\n\r\n<b>Carlos M., Mexico (Landscaper, Green Roof System)<\/b>\r\nPut this under a rooftop garden to block root penetration. It worked fine against the plants' growth over eight months, and the anti-aging additives appear to maintain its integrity in hot weather. Installation went smoothly on the prepared surface, though overlaps required careful attention to avoid gaps. Reliable for planting applications.\r\n\r\n<img class=\"size-full wp-image-962 aligncenter\" src=\"https:\/\/great-ocean-waterproof.com\/wp-content\/uploads\/2025\/12\/customer-feedback_1.webp\" alt=\"customer feedback\" width=\"2245\" height=\"1587\" \/>\r\n<h2>About Our Factory: Great Ocean Waterproof<\/h2>\r\n<b>Company Overview<\/b>\r\nGreat Ocean Waterproof Technology Co., Ltd. (formerly Weifang Great Ocean New Waterproof Materials Co., Ltd.) was established in 1999. Located in China's largest waterproof materials base in Tai Tou Town, Shouguang City, it is a high-tech enterprise specializing in waterproofing, integrating research and development, production, and sales.\r\n<b>Factory Details<\/b>\r\nThe factory covers an area of 26,000 square meters. Over years of development and innovation, it has equipped multiple advanced production lines for membranes, sheets, and coatings at a domestic leading level.\r\n<b>Main Products<\/b>\r\nThe company offers dozens of waterproofing products, including:\r\n<ul>\r\n \t<li>Polyethylene polypropylene (polyester) polymer waterproof membrane<\/li>\r\n \t<li><a href=\"https:\/\/great-ocean-waterproof.com\/product\/pvc-polyvinyl-chloride-waterproofing-membrane-pvc-membrane-waterproofing\/\">Polyvinyl chloride (PVC) waterproof membrane<\/a><\/li>\r\n \t<li><a href=\"https:\/\/great-ocean-waterproof.com\/product\/tpo-thermoplastic-polyolefin-waterproofing-membrane\/\">Thermoplastic polyolefin (TPO) waterproof membrane<\/a><\/li>\r\n \t<li>High-speed rail dedicated chlorinated polyethylene (CPE) waterproof membrane<\/li>\r\n \t<li>Polymer polypropylene self-adhesive waterproof membrane<\/li>\r\n \t<li>Non-asphalt based reactive pre-applied polymer self-adhesive film waterproof membrane<\/li>\r\n \t<li>Strong cross-laminated film polymer reactive adhesive waterproof membrane<\/li>\r\n \t<li>Protective drainage board<\/li>\r\n \t<li>Elastomer\/plastomer modified bitumen waterproof membrane<\/li>\r\n \t<li>Asphalt-based self-adhesive waterproof membrane<\/li>\r\n \t<li>Polymer modified bitumen root-resistant waterproof membrane<\/li>\r\n \t<li>Metal base polymer root-resistant waterproof membrane<\/li>\r\n \t<li>Root-resistant polymer polyethylene polypropylene (polyester) waterproof membrane<\/li>\r\n \t<li>Root-resistant polyvinyl chloride PVC waterproof membrane<\/li>\r\n \t<li><a href=\"https:\/\/great-ocean-waterproof.com\/product\/jy-spu-single-componacent-polyurethane-waterproof-coating\/\">Single-component polyurethane waterproof coating<\/a><\/li>\r\n \t<li><a href=\"https:\/\/great-ocean-waterproof.com\/product\/jy-dpu-double-components-polyurethane-waterproof-coating\/\">Two-component polyurethane waterproof coating<\/a><\/li>\r\n \t<li><a href=\"https:\/\/great-ocean-waterproof.com\/product\/jy-jss-polymer-cement-waterproof-coating\/\">Polymer cement (JS) composite waterproof coating<\/a><\/li>\r\n \t<li><a href=\"https:\/\/great-ocean-waterproof.com\/product\/jy-951-waterborne-polyurethane-waterproof-coating\/\">Water-based (951) polyurethane waterproof coating<\/a><\/li>\r\n \t<li>Polyethylene polypropylene (polyester) special dry powder adhesive<\/li>\r\n \t<li>Cement-based permeable crystalline waterproof coating<\/li>\r\n \t<li>Spray quick-setting rubber asphalt waterproof coating<\/li>\r\n \t<li>Non-curing rubber asphalt waterproof coating<\/li>\r\n \t<li>Exterior wall transparent waterproof glue<\/li>\r\n \t<li>High-elasticity liquid membrane waterproof coating<\/li>\r\n \t<li>Self-adhesive asphalt waterproof tape<\/li>\r\n \t<li>Butyl rubber self-adhesive tape<\/li>\r\n<\/ul>\r\n<b>Technical Strength and Quality Assurance<\/b>\r\nThe company boasts strong technical capabilities with a team of professional technicians, advanced equipment, and complete testing instruments. Products are stable and reliable, certified by national authoritative testing institutions. It has achieved the National Ministry of Agriculture's \"Comprehensive Quality Management Standard\" title and passed quality assurance system certification. Additionally, it holds designations such as \"National Authoritative Testing Qualified Product\" from the China Quality Inspection Association, Shandong Province's \"Industrial Construction Product Filing Certificate,\" \"Industrial Product Production License,\" and \"CE Certification.\"\r\n<b>Market and Reputation<\/b>\r\nThe company emphasizes contract compliance and credibility. Its products are sold in over 20 provinces and regions across China and exported to multiple countries and regions overseas, earning positive user feedback.\r\n<b>Business Philosophy<\/b>\r\nGreat Ocean Waterproof Technology Co., Ltd. adopts a modern management mechanism, guided by the corporate spirit of \"integrity, pragmatism, innovation\" and the purpose of \"win-win sharing.\" It provides high cost-performance products and quality services to collaborate with customers in expanding markets and creating new achievements.\r\n\r\n[embed]https:\/\/youtu.be\/IKMWgr-NHKU[\/embed]","_et_gb_content_width":""},"product_brand":[],"product_cat":[23],"product_tag":[],"class_list":["post-1399","product","type-product","status-publish","has-post-thumbnail","product_cat-waterproofing-membrane","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/product\/1399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/media\/1400"}],"wp:attachment":[{"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/media?parent=1399"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/product_brand?post=1399"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/product_cat?post=1399"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/great-ocean-waterproof.com\/nb\/wp-json\/wp\/v2\/product_tag?post=1399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}