{"title":"Retrofit Vapour Barrier Membrane","description":"","products":[{"product_id":"airtight-tapes","title":"Airtight Tape","description":"\u003cp\u003eOur \u003cstrong\u003eAirtight Tape\u003c\/strong\u003e is a premium, fleece-backed sealing tape designed to deliver long-lasting airtightness and vapour control across a wide range of construction details. Flexible, durable, and easy to install, it ensures a reliable seal on even the most challenging junctions and penetrations.\u003c\/p\u003e\n\u003cp\u003ePerfect for both \u003cstrong\u003enew-builds and retrofit projects\u003c\/strong\u003e, Airtight Tape bonds strongly to common building substrates such as timber, concrete, brick, and membranes. Its reinforced fleece surface allows excellent plaster or paint adhesion, making it ideal for \u003cstrong\u003einvisible integration into the building fabric\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBy eliminating air leakage at key junctions, Airtight Tape helps improve \u003cstrong\u003eenergy efficiency, comfort, and building durability\u003c\/strong\u003e, making it an essential component for airtight construction and Passivhaus-standard projects.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eStrong adhesion\u003c\/strong\u003e – bonds to timber, brick, concrete, and membranes\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFleece-backed\u003c\/strong\u003e – can be plastered or painted over seamlessly\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFlexible \u0026amp; durable\u003c\/strong\u003e – ideal for corners, joints, and penetrations\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWeather resistant\u003c\/strong\u003e – suitable for long-term performance\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEnergy saving\u003c\/strong\u003e – supports airtightness targets for low-energy and Passivhaus builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAirtight Tape\u003c\/strong\u003e is the simple, effective, and professional choice for creating a continuous airtight layer in your building envelope.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"75mm x 25m (Single Roll)","offer_id":52608799670612,"sku":null,"price":40.0,"currency_code":"GBP","in_stock":true},{"title":"75mm x 25m (Box of 5)","offer_id":52608799703380,"sku":null,"price":157.5,"currency_code":"GBP","in_stock":true},{"title":"100mm x 25m (Single Roll)","offer_id":52608799736148,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"100mm x 25m (Box of 4)","offer_id":52608799768916,"sku":null,"price":165.0,"currency_code":"GBP","in_stock":true},{"title":"150mm x 25m (Single Roll)","offer_id":52608799801684,"sku":null,"price":75.0,"currency_code":"GBP","in_stock":true},{"title":"150mm x 25m (Box of 2)","offer_id":52608799834452,"sku":"IM\/00AFT100X4","price":111.75,"currency_code":"GBP","in_stock":true},{"title":"200mm x 25m (Single Roll)","offer_id":52608799867220,"sku":null,"price":100.0,"currency_code":"GBP","in_stock":true},{"title":"200mm x 25m (Box of 2)","offer_id":52608799899988,"sku":null,"price":135.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/2104\/7636\/files\/Airtight_tape.png?v=1764333460"},{"product_id":"passivhaus-airtight-sealant","title":"Passivhaus Airtight Sealant - 600ml","description":"\u003cp\u003e\u003cstrong\u003ePassive Purple Sealant Tubes – Perfect for Airtight Sealing of Gaps in the Building Fabric\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePassive Purple\u003c\/strong\u003e brush in convenient sealant tubes is the ultimate solution for air-sealing gaps and cracks in the building fabric, ensuring airtightness and improved energy efficiency. This flexible, liquid-applied sealant is specifically formulated for quick and easy application, making it ideal for sealing joints, penetrations, and gaps in walls, floors, and ceilings. Designed to meet the highest airtightness standards, \u003cstrong\u003ePassive Purple\u003c\/strong\u003e helps reduce energy loss and is suitable for both new-build and retrofit projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Airsealing:\u003c\/strong\u003e Passive Purple sealant is ideal for sealing gaps and cracks in the building envelope, creating an airtight barrier that prevents air leakage and improves thermal performance. Perfect for use around windows, doors, service penetrations, and joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick and Easy Application:\u003c\/strong\u003e Sealant tubes allow Passive Purple to be applied directly into gaps and joints using a standard caulking gun, providing precise control and a smooth, seamless finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Suitable for a wide range of substrates including timber, concrete, brick, and plasterboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable and Long-Lasting:\u003c\/strong\u003e Once applied, Passive Purple forms a flexible, durable seal that accommodates building movement and environmental changes while maintaining airtightness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency:\u003c\/strong\u003e By eliminating air leaks, Passive Purple helps reduce energy loss, lowers heating and cooling costs, and supports energy-efficient, sustainable construction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose Passive Purple in Sealant Tubes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Application:\u003c\/strong\u003e Sealant tubes allow targeted application, ensuring even the smallest gaps are effectively sealed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Energy Performance:\u003c\/strong\u003e Sealing gaps with Passive Purple significantly reduces air infiltration, improving comfort and overall thermal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for Retrofit and New Builds:\u003c\/strong\u003e Whether sealing a new building or upgrading an existing structure, Passive Purple sealant tubes offer a practical and reliable airtightness solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAchieve superior airtightness with \u003cstrong\u003ePassive Purple Sealant Tubes\u003c\/strong\u003e — an easy-to-use, flexible solution for sealing gaps in the building fabric. Ideal for improving energy efficiency and sealing joints in both new and retrofit projects, \u003cstrong\u003ePassive Purple\u003c\/strong\u003e delivers a durable, long-lasting airtight seal.\u003c\/p\u003e\n\u003cp\u003eEach sausage covers approximately \u003cstrong\u003e6 linear metres\u003c\/strong\u003e.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"1","offer_id":52608802292052,"sku":"IM\/00PPSX12","price":12.0,"currency_code":"GBP","in_stock":true},{"title":"12","offer_id":52608802324820,"sku":"IM\/00PPSX12","price":144.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/2104\/7636\/files\/Passivhaus-Sealant_-White-and-Purple_png.webp?v=1770045397"},{"product_id":"passive-purple-retrofit-airtightness-5kg","title":"Retrofit Airtightness Brush Applied Paint (5kg)","description":"\u003cp style=\"box-sizing: inherit; margin: 20px 0px 0px; padding: 0px; font-size: 1.6rem; color: rgb(32, 32, 32); font-family: Montserrat, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eHere at Intelligent Membranes, we have a range specifically for retrofitting air tightness and vapour control. Not only are the products extremely effective, but they are also environmentally friendly. Airtightness and controlling vapour equals better energy efficiency and a healthier environment for the inhabitants.\u003c\/p\u003e\n\u003cp style=\"box-sizing: inherit; margin: 20px 0px 0px; padding: 0px; font-size: 1.6rem; color: rgb(32, 32, 32); font-family: Montserrat, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003ePassive Purple: The fact that Passive Purple is a liquid membrane means that it adheres to the surface it is applied to making it very difficult to damage. Unlike a paper membrane which can be susceptible to cuts, It impregnates the surface it is adhered to and creates an airtight substrate filling any holes, cracks, penetration leaks or problem areas.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Purple","offer_id":52682700194132,"sku":"IM\/00PPEB5","price":55.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/2104\/7636\/files\/PASSIVE-PURPLE-RETROFIT-5-KG.png?v=1758025989"},{"product_id":"passive-purple-retrofit-airtightness-10kg","title":"Retrofit Airtightness Spray\/Roller Paint (10kg)","description":"\u003cp style=\"box-sizing: inherit; margin: 20px 0px 0px; padding: 0px; font-size: 1.6rem; color: rgb(32, 32, 32); font-family: Montserrat, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eHere at Intelligent Membranes, we have a range specifically for retrofitting air tightness and vapour control. Not only are the products extremely effective, but they are also environmentally friendly. Airtightness and controlling vapour equals better energy efficiency and a healthier environment for the inhabitants.\u003c\/p\u003e\n\u003cp style=\"box-sizing: inherit; margin: 20px 0px 0px; padding: 0px; font-size: 1.6rem; color: rgb(32, 32, 32); font-family: Montserrat, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003ePassive Purple Retrofit: The fact that Passive Purple Retrofit is a liquid membrane means that it adheres to the surface it is applied to making it very difficult to damage. 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