{"product_id":"vara-visco-sa-vapour-control-layer","title":"VARA VISCO SA™ Variable Self Adhesive Vapour Control Membrane","description":"\u003ch1\u003e\u003cstrong\u003e\u003cspan class=\"EOP SCXW39165176 BCX8\" data-ccp-props='{\"201341983\":0,\"335559739\":160,\"335559740\":259}'\u003eFully self-adhesive airtight vapour control layer for internal building envelopes \u003c\/span\u003e\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cdiv class=\"col-xs-12 col-sm-6 col-lg-6\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-6 col-lg-6\"\u003e\n\u003cp data-start=\"747\" data-end=\"917\"\u003eVARA VISCO SA™ is a fully self-adhesive, humidity-variable vapour control membrane designed for internal airtightness applications in high-performance building envelopes.\u003c\/p\u003e\n\u003cp data-start=\"919\" data-end=\"1125\"\u003eManufactured from a specialised polymer membrane with integrated reinforcement and slip-resistant surface technology, it combines airtightness, vapour control, and installation efficiency in a single layer.\u003c\/p\u003e\n\u003cp data-start=\"1127\" data-end=\"1348\"\u003eUnlike conventional vapour control layers with fixed vapour resistance, VARA VISCO SA™ features variable vapour permeability, adapting to seasonal humidity conditions to support moisture-resilient construction assemblies.\u003c\/p\u003e\n\u003cp data-start=\"1350\" data-end=\"1537\"\u003eWith an approximate Sd range of 1 m to 5 m, the membrane helps limit vapour transfer during colder conditions while allowing greater drying potential when environmental conditions change.\u003c\/p\u003e\n\u003cp data-start=\"1539\" data-end=\"1722\"\u003eThe fully self-adhesive backing creates a continuous airtight layer across walls, ceilings, and roof structures while reducing installation time and improving airtightness continuity.\u003c\/p\u003e\n\u003chr data-start=\"1320\" data-end=\"1323\"\u003e\n\u003ch2 data-section-id=\"1e2hpt6\" data-start=\"1729\" data-end=\"1757\"\u003eWhy Choose VARA VISCO SA™\u003c\/h2\u003e\n\u003ch3 data-section-id=\"5zz7ws\" data-start=\"1759\" data-end=\"1789\"\u003eVariable Vapour Resistance\u003c\/h3\u003e\n\u003cp data-start=\"1791\" data-end=\"1969\"\u003eUnlike traditional fixed-resistance vapour control layers, VARA VISCO SA™ adapts to changing humidity conditions, supporting improved drying potential within building assemblies.\u003c\/p\u003e\n\u003ch3 data-section-id=\"dzciv0\" data-start=\"1971\" data-end=\"1998\"\u003eContinuous Airtightness\u003c\/h3\u003e\n\u003cp data-start=\"2000\" data-end=\"2157\"\u003eThe fully bonded adhesive layer creates a continuous airtight barrier across the substrate, helping reduce uncontrolled air leakage and associated heat loss.\u003c\/p\u003e\n\u003ch3 data-section-id=\"18rld42\" data-start=\"2159\" data-end=\"2194\"\u003eMoisture-Resilient Construction\u003c\/h3\u003e\n\u003cp data-start=\"2196\" data-end=\"2320\"\u003eVariable vapour performance helps support moisture-safe design strategies by balancing vapour control with drying potential.\u003c\/p\u003e\n\u003ch3 data-section-id=\"zxe67o\" data-start=\"2322\" data-end=\"2352\"\u003eIntegrated Slip Resistance\u003c\/h3\u003e\n\u003cp data-start=\"2354\" data-end=\"2474\"\u003eA specially developed surface provides improved slip resistance during installation, enhancing handling and site safety.\u003c\/p\u003e\n\u003ch3 data-section-id=\"h5fe1m\" data-start=\"2476\" data-end=\"2497\"\u003eFast Installation\u003c\/h3\u003e\n\u003cp data-start=\"2499\" data-end=\"2608\"\u003eFull surface adhesion reduces the need for mechanical fixings and simplifies installation across large areas.\u003c\/p\u003e\n\u003ch3 data-section-id=\"78qdk3\" data-start=\"2610\" data-end=\"2634\"\u003eLong-Term Durability\u003c\/h3\u003e\n\u003cp data-start=\"2636\" data-end=\"2771\"\u003eReinforced construction delivers strength, dimensional stability, and reliable performance throughout the service life of the building.\u003c\/p\u003e\n\u003chr data-start=\"2709\" data-end=\"2712\"\u003e\n\u003ch2 data-section-id=\"56tlql\" data-start=\"3017\" data-end=\"3044\"\u003eKey Performance Features\u003c\/h2\u003e\n\u003cul data-start=\"3046\" data-end=\"3396\"\u003e\n\u003cli data-section-id=\"vd7nvk\" data-start=\"3046\" data-end=\"3076\"\u003eFully self-adhesive membrane\u003c\/li\u003e\n\u003cli data-section-id=\"142s9mz\" data-start=\"3077\" data-end=\"3130\"\u003eVariable vapour resistance (approximately Sd 1–5 m)\u003c\/li\u003e\n\u003cli data-section-id=\"ck8mwh\" data-start=\"3131\" data-end=\"3162\"\u003eContinuous airtightness layer\u003c\/li\u003e\n\u003cli data-section-id=\"1ay4u80\" data-start=\"3163\" data-end=\"3206\"\u003eSpecialised polymer membrane construction\u003c\/li\u003e\n\u003cli data-section-id=\"80ov31\" data-start=\"3207\" data-end=\"3242\"\u003eIntegrated slip-resistant surface\u003c\/li\u003e\n\u003cli data-section-id=\"xn89pk\" data-start=\"3243\" data-end=\"3296\"\u003eReinforced for durability and dimensional stability\u003c\/li\u003e\n\u003cli data-section-id=\"17ac5ex\" data-start=\"3297\" data-end=\"3342\"\u003eSupports moisture-resilient building design\u003c\/li\u003e\n\u003cli data-section-id=\"b5rc01\" data-start=\"3343\" data-end=\"3396\"\u003eSuitable for walls, ceilings, and roof applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3123\" data-end=\"3126\"\u003e\n\u003ch3 data-section-id=\"sedcwd\" data-start=\"3128\" data-end=\"3152\"\u003eSystem Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"3154\" data-end=\"3300\"\u003eFully compatible with Partel airtightness system components, including tapes, primers, liquid-applied membranes, and penetration sealing solutions.\u003c\/p\u003e\n\u003cp data-start=\"3302\" data-end=\"3371\"\u003eDesigned as part of a continuous airtight building envelope strategy.\u003c\/p\u003e\n\u003ch2 style=\"color: #58516e;\"\u003eTechnical Data\u003c\/h2\u003e\n\u003ctable width=\"100%\" border=\"0\" cellspacing=\"5\" cellpadding=\"5\" style=\"font-size: 12px; width: 99.9589%; height: 117.517px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"color: rgb(255, 255, 255); height: 16.7882px;\"\u003e\n\u003ctd style=\"width: 54.1017%; height: 16.7882px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003eWEIGHT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.0087%; height: 16.7882px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003eEN-1849-2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2231%; height: 16.7882px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003e160 g\/m²\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 16.7882px;\"\u003e\n\u003ctd style=\"width: 54.1017%; height: 16.7882px;\" bgcolor=\"#E2DED9\"\u003e\u003cstrong\u003eSD-VALUE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.0087%; height: 16.7882px;\" bgcolor=\"#E2DED9\"\u003e\u003cstrong\u003eEN-1931\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2231%; height: 16.7882px;\" bgcolor=\"#E2DED9\"\u003e\u003cstrong\u003e\u0026gt; 3.5 m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"color: rgb(255, 255, 255); height: 16.7882px;\"\u003e\n\u003ctd style=\"width: 54.1017%; height: 16.7882px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003eSD VALUE AFTER ARTIFICIAL AGEING\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.0087%; height: 16.7882px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003e EN 1296\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2231%; height: 16.7882px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003ePassed *\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 33.5764px;\"\u003e\n\u003ctd style=\"width: 54.1017%; height: 33.5764px;\" bgcolor=\"#E2DED9\"\u003e\u003cstrong\u003eTENSILE STRENGTH MD\/CD*\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.0087%; height: 33.5764px;\" bgcolor=\"#E2DED9\"\u003e\u003cstrong\u003eEN 12311-1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2231%; height: 33.5764px;\" bgcolor=\"#E2DED9\"\u003e\u003cstrong\u003e\u0026gt;100N \/ \u0026gt;75N \/\u003cbr\u003e50mm*\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"color: rgb(255, 255, 255); height: 33.5764px;\"\u003e\n\u003ctd style=\"width: 54.1017%; height: 33.5764px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003eNAIL TEAR RESISTANCE MD\/\u003cbr\u003eCD* \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.0087%; height: 33.5764px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003eEN 13859-1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 25.2231%; height: 33.5764px;\" bgcolor=\"#58516E\"\u003e\u003cstrong\u003eMD \u0026gt; 65N \/\u003cbr\u003eCD \u0026gt; 80N*\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-6 col-lg-6\"\u003e\n\u003cp style=\"color: #58516e;\"\u003e\u003cspan style=\"color: rgb(1, 40, 1);\"\u003e*MD = Longitudinal\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(1, 40, 1);\"\u003e*CD = Transversal\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(1, 40, 1);\"\u003e*Values marked with * are facer-only values\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(1, 40, 1);\"\u003eas shown on artwork.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eSuitable for:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1gd1fu5\" data-start=\"2810\" data-end=\"2837\"\u003eTimber frame construction\u003c\/li\u003e\n\u003cli data-section-id=\"129h1pk\" data-start=\"2838\" data-end=\"2859\"\u003eSteel frame systems\u003c\/li\u003e\n\u003cli data-section-id=\"12azgie\" data-start=\"2860\" data-end=\"2894\"\u003eModular and offsite construction\u003c\/li\u003e\n\u003cli data-section-id=\"soo1u3\" data-start=\"2895\" data-end=\"2914\"\u003eRetrofit projects\u003c\/li\u003e\n\u003cli data-section-id=\"86msze\" data-start=\"2915\" data-end=\"2943\"\u003ePassive House construction\u003c\/li\u003e\n\u003cli data-section-id=\"ac37qh\" data-start=\"2944\" data-end=\"2978\"\u003eLow-energy residential buildings\u003c\/li\u003e\n\u003cli data-section-id=\"rxn273\" data-start=\"2979\" data-end=\"3010\"\u003eCommercial building envelopes\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eDimensions:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1.45 M X 30 M = 43.5 M² | 4 FT 9 3\/32 IN X 98 FT 5 3\/32 IN = 484 SF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-6 col-lg-6\"\u003e\n\u003ch4\u003eDocuments:\u003c\/h4\u003e\n\u003cspan style=\"font-size: 12.0pt; line-height: 115%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: IT; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\" lang=\"IT\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2174\/7939\/files\/TDS_Partel_VCL_Membranes_VVSA_2026.pdf?v=1780953340\"\u003eVara Visco SA Technical Data sheet\u003c\/a\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e","brand":"Partel","offers":[{"title":"Default Title","offer_id":62060876366154,"sku":"VARAV_SA","price":561.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2174\/7939\/files\/1_5f4c44a3-019f-4a1e-ae08-fe6589ae87dc.png?v=1780953438","url":"https:\/\/shopeu.partel.com\/products\/vara-visco-sa-vapour-control-layer","provider":"Partel Europe","version":"1.0","type":"link"}