{"product_id":"1-5m","title":"Gerband Control Airtightness Membrane (1.5m x 50m)","description":"\u003ch2\u003e\u003cstrong\u003eGerband SD2 Control Airtightness Membrane (1.5m x 50m)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"362\" data-end=\"400\"\u003eGerband-SD-Control-Airtight-Membrane\u003c\/p\u003e\n\u003ch3 data-start=\"407\" data-end=\"431\"\u003e\u003cstrong data-start=\"411\" data-end=\"431\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"433\" data-end=\"820\"\u003eThe \u003cstrong data-start=\"437\" data-end=\"477\"\u003eGerband SD Control Airtight Membrane\u003c\/strong\u003e is a high-performance vapour control layer (VCL) engineered for internal airtightness in low-energy and Passive House projects. Designed as an \u003cstrong data-start=\"621\" data-end=\"651\"\u003eupgrade to the Gerband SD2\u003c\/strong\u003e, this next-generation membrane delivers superior tensile strength and elongation, ensuring maximum durability and long-term airtightness in modern building envelopes.\u003c\/p\u003e\n\u003cp data-start=\"822\" data-end=\"1215\"\u003eIts advanced multi-layer structure provides \u003cstrong data-start=\"866\" data-end=\"933\"\u003eoptimal vapour diffusion resistance (SD value of 2.3 m ± 0.2 m)\u003c\/strong\u003e, helping to regulate internal moisture levels while maintaining the integrity of the building fabric. The membrane is \u003cstrong data-start=\"1052\" data-end=\"1071\"\u003eeasy to install\u003c\/strong\u003e, compatible with all Gerband adhesive tapes and sealing accessories, and ideal for use on timber-frame, steel-frame, and masonry constructions.\u003c\/p\u003e\n\u003ch3 data-start=\"1094\" data-end=\"1114\"\u003e\u003cstrong data-start=\"1098\" data-end=\"1114\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1118\" data-end=\"1221\"\u003eEnhanced tensile strength (≥ 120 N\/50 mm lengthwise, ≥ 100 N\/50 mm crosswise) for superior durability\u003c\/li\u003e\n\u003cli data-start=\"1224\" data-end=\"1308\"\u003eReliable long-term airtightness when used with Gerband adhesive tapes and sealants\u003c\/li\u003e\n\u003cli data-start=\"1311\" data-end=\"1394\"\u003eSD value of 2.3 m ± 0.2 m for optimal moisture regulation and building protection\u003c\/li\u003e\n\u003cli data-start=\"1397\" data-end=\"1492\"\u003eHigh flexibility and elongation (65%) to simplify installation around joints and penetrations\u003c\/li\u003e\n\u003cli data-start=\"1495\" data-end=\"1560\"\u003eSuitable for Passive House and low-energy building applications\u003c\/li\u003e\n\u003cli data-start=\"1563\" data-end=\"1641\"\u003eCompatible with Gerband airtight system components for full system integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable height=\"341\" style=\"width: 99.9972%; height: 274.257px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003cth style=\"width: 37.0239%; height: 19.5898px;\"\u003e\u003cstrong\u003eProperty\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 62.7954%; height: 19.5898px;\"\u003e\u003cstrong\u003eSD Control\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 37.0239%; height: 19.5898px;\"\u003eSD Value\u003c\/td\u003e\n\u003ctd style=\"width: 62.7954%; height: 19.5898px;\"\u003e2.3 m ± 0.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 37.0239%; height: 19.5898px;\"\u003eTensile Strength – Lengthwise\u003c\/td\u003e\n\u003ctd style=\"width: 62.7954%; height: 19.5898px;\"\u003e≥ 120 N\/50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 37.0239%; height: 19.5898px;\"\u003eTensile Strength – Crosswise\u003c\/td\u003e\n\u003ctd style=\"width: 62.7954%; height: 19.5898px;\"\u003e≥ 100 N\/50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1797px;\"\u003e\n\u003ctd style=\"width: 37.0239%; height: 39.1797px;\"\u003eElongation at Break – Lengthwise\u003c\/td\u003e\n\u003ctd style=\"width: 62.7954%; height: 39.1797px;\"\u003e65 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 37.0239%; height: 19.5898px;\"\u003eElongation at Break – Crosswise\u003c\/td\u003e\n\u003ctd style=\"width: 62.7954%; height: 19.5898px;\"\u003e65 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5898px;\"\u003e\n\u003ctd style=\"width: 37.0239%; height: 19.5898px;\"\u003eGrammage\u003c\/td\u003e\n\u003ctd style=\"width: 62.7954%; height: 19.5898px;\"\u003e105 g\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-start=\"2232\" data-end=\"2252\"\u003e\u003cstrong data-start=\"2236\" data-end=\"2252\"\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2256\" data-end=\"2327\"\u003eInternal airtight vapour control layer for roofs, ceilings, and walls\u003c\/li\u003e\n\u003cli data-start=\"2330\" data-end=\"2380\"\u003eTimber-frame, steel-frame, and masonry buildings\u003c\/li\u003e\n\u003cli data-start=\"2383\" data-end=\"2473\"\u003eRefurbishment and retrofit projects requiring improved airtightness and moisture control\u003c\/li\u003e\n\u003cli data-start=\"2476\" data-end=\"2558\"\u003eUse in combination with Gerband tapes and sealants for complete airtight systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gerband","offers":[{"title":"Default Title","offer_id":53736398324038,"sku":"GERBAND-SD","price":136.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0850\/5940\/4102\/files\/Gerband_sdControl_PHS-IE-768x768.jpg?v=1761912703","url":"https:\/\/bpcventilation.com\/products\/1-5m","provider":"BPC Ventilation Store","version":"1.0","type":"link"}