{"product_id":"membrana-termoizolanta-isoflect-bronze-40-m","title":"Reflectiva BRONZE — reflective thermal insulation foil and membrane, vapour barrier, loft insulation, 40 m²","description":"\u003cstyle\u003e\n    .iso-bronze-page {\n      --bronze: #0dd9ff;\n      --bronze-dark: #00a8c9;\n      --bronze-soft: #e0f7ff;\n      --anthracite: #1a1a1a;\n      --text: #1a1a1a;\n      --muted: #6b6b6b;\n      --line: #e8e8e8;\n      --bg: #f8f8f8;\n      --white: #ffffff;\n      --warning: #fef3cd;\n      --danger-soft: #fff5e6;\n      font-family: Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Arial, sans-serif;\n      background: var(--bg);\n      color: var(--text);\n      overflow: hidden;\n    }\n\n    .iso-bronze-page * {\n      box-sizing: border-box;\n    }\n\n    .iso-wrap {\n      width: min(1180px, calc(100% - 32px));\n      margin: 0 auto;\n    }\n\n    .iso-section {\n      padding: 74px 0;\n    }\n\n    .iso-eyebrow {\n      display: inline-flex;\n      align-items: center;\n      gap: 8px;\n      padding: 8px 14px;\n      border-radius: 999px;\n      background: rgba(13, 217, 255, 0.12);\n      color: #00a8c9;\n      font-weight: 800;\n      font-size: 13px;\n      letter-spacing: 0.03em;\n      text-transform: uppercase;\n      margin-bottom: 18px;\n    }\n\n    .iso-eyebrow::before {\n      content: \"\";\n      width: 8px;\n      height: 8px;\n      border-radius: 50%;\n      background: var(--bronze);\n    }\n\n    .iso-hero {\n      padding: 86px 0 74px;\n      background:\n        radial-gradient(circle at 88% 10%, rgba(13, 217, 255, 0.08), transparent 34%),\n        linear-gradient(135deg, #ffffff 0%, #f0fafb 45%, #ffffff 100%);\n    }\n\n    .iso-hero-grid {\n      display: grid;\n      grid-template-columns: 1.08fr 0.92fr;\n      gap: 48px;\n      align-items: center;\n    }\n\n    .iso-hero h2 {\n      margin: 0 0 18px;\n      font-size: clamp(40px, 6vw, 72px);\n      line-height: 0.98;\n      letter-spacing: -0.055em;\n      color: var(--anthracite);\n      font-weight: 900;\n    }\n\n    .iso-hero h1, .iso-hero h2, .iso-hero h1 span, .iso-hero h2 span {\n      color: var(--bronze);\n    }\n\n    .iso-lead {\n      max-width: 700px;\n      margin: 0;\n      font-size: clamp(18px, 2vw, 22px);\n      line-height: 1.48;\n      color: #3d3d3d;\n    }\n\n    .iso-actions {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 14px;\n      margin-top: 30px;\n    }\n\n    .iso-btn {\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      min-height: 50px;\n      padding: 13px 22px;\n      border-radius: 999px;\n      font-size: 15px;\n      font-weight: 850;\n      text-decoration: none;\n      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;\n      border: 1px solid transparent;\n      white-space: nowrap;\n    }\n\n    .iso-btn:hover {\n      transform: translateY(-2px);\n    }\n\n    .iso-btn-primary {\n      color: #fff;\n      background: linear-gradient(135deg, var(--bronze), var(--bronze-dark));\n      box-shadow: 0 14px 32px rgba(13, 217, 255, .28);\n    }\n\n    .iso-btn-dark {\n      color: #fff;\n      background: var(--anthracite);\n      box-shadow: 0 14px 32px rgba(0, 0, 0, .16);\n    }\n\n    .iso-btn-light {\n      color: var(--anthracite);\n      background: #fff;\n      border-color: rgba(26, 26, 26, .12);\n      box-shadow: 0 12px 28px rgba(26, 26, 26, .07);\n    }\n\n    .iso-mini-grid {\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 14px;\n      margin-top: 30px;\n    }\n\n    .iso-mini-card {\n      background: rgba(255, 255, 255, .82);\n      border: 1px solid rgba(13, 217, 255, .18);\n      border-radius: 20px;\n      padding: 18px;\n      box-shadow: 0 12px 30px rgba(26, 26, 26, .05);\n      backdrop-filter: blur(10px);\n    }\n\n    .iso-mini-card strong {\n      display: block;\n      color: var(--anthracite);\n      font-size: 15px;\n      margin-bottom: 6px;\n      font-weight: 700;\n    }\n\n    .iso-mini-card p {\n      margin: 0;\n      color: var(--muted);\n      font-size: 14px;\n      line-height: 1.45;\n    }\n\n    .iso-visual-card {\n      position: relative;\n      overflow: hidden;\n      border-radius: 32px;\n      background: #1a1a1a;\n      min-height: 520px;\n      box-shadow: 0 30px 80px rgba(26, 26, 26, .22);\n    }\n\n    .iso-visual-card img {\n      width: 100%;\n      height: 100%;\n      min-height: 520px;\n      object-fit: cover;\n      display: block;\n      opacity: .92;\n    }\n\n    .iso-visual-overlay {\n      position: absolute;\n      left: 22px;\n      right: 22px;\n      bottom: 22px;\n      padding: 20px;\n      border-radius: 22px;\n      background: rgba(255, 255, 255, .92);\n      backdrop-filter: blur(12px);\n      border: 1px solid rgba(255, 255, 255, .72);\n    }\n\n    .iso-visual-overlay strong {\n      display: block;\n      color: var(--anthracite);\n      font-size: 18px;\n      margin-bottom: 6px;\n      font-weight: 700;\n    }\n\n    .iso-visual-overlay p {\n      margin: 0;\n      color: #4f4f4f;\n      font-size: 14px;\n      line-height: 1.45;\n    }\n\n    .iso-section-head {\n      max-width: 830px;\n      margin: 0 auto 36px;\n      text-align: center;\n    }\n\n    .iso-section-head.left {\n      margin-left: 0;\n      text-align: left;\n    }\n\n    .iso-section-head h2 {\n      margin: 0 0 14px;\n      color: var(--anthracite);\n      font-size: clamp(30px, 4vw, 48px);\n      line-height: 1.05;\n      letter-spacing: -0.04em;\n      font-weight: 900;\n    }\n\n    .iso-section-head p {\n      margin: 0;\n      color: var(--muted);\n      font-size: 18px;\n      line-height: 1.6;\n    }\n\n    .iso-grid-4 {\n      display: grid;\n      grid-template-columns: repeat(4, 1fr);\n      gap: 18px;\n    }\n\n    .iso-grid-3 {\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 18px;\n    }\n\n    .iso-grid-2 {\n      display: grid;\n      grid-template-columns: repeat(2, 1fr);\n      gap: 22px;\n    }\n\n    .iso-card {\n      background: var(--white);\n      border: 1px solid var(--line);\n      border-radius: 26px;\n      padding: 26px;\n      box-shadow: 0 16px 40px rgba(26, 26, 26, .055);\n    }\n\n    .iso-card-icon {\n      width: 44px;\n      height: 44px;\n      border-radius: 14px;\n      background: var(--bronze-soft);\n      color: var(--bronze-dark);\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      font-weight: 950;\n      margin-bottom: 18px;\n      font-size: 18px;\n    }\n\n    .iso-card h3 {\n      margin: 0 0 10px;\n      color: var(--anthracite);\n      font-size: 20px;\n      line-height: 1.2;\n      letter-spacing: -0.02em;\n    }\n\n    .iso-card p {\n      margin: 0;\n      color: var(--muted);\n      font-size: 15px;\n      line-height: 1.58;\n    }\n\n    .iso-app-card {\n      position: relative;\n      overflow: hidden;\n      border-radius: 30px;\n      padding: 32px;\n      background: #fff;\n      border: 1px solid var(--line);\n      box-shadow: 0 18px 48px rgba(26, 26, 26, .06);\n    }\n\n    .iso-app-card::after {\n      content: \"\";\n      position: absolute;\n      right: -80px;\n      top: -80px;\n      width: 220px;\n      height: 220px;\n      border-radius: 50%;\n      background: rgba(13, 217, 255, .08);\n    }\n\n    .iso-app-card h3 {\n      position: relative;\n      z-index: 1;\n      margin: 0 0 12px;\n      color: var(--anthracite);\n      font-size: 28px;\n      line-height: 1.12;\n      letter-spacing: -0.035em;\n    }\n\n    .iso-app-card p {\n      position: relative;\n      z-index: 1;\n      color: var(--muted);\n      line-height: 1.65;\n      margin: 0 0 22px;\n      font-size: 16px;\n    }\n\n    .iso-spec-list {\n      position: relative;\n      z-index: 1;\n      display: grid;\n      gap: 10px;\n      margin-top: 18px;\n    }\n\n    .iso-spec-row {\n      display: flex;\n      gap: 10px;\n      align-items: flex-start;\n      padding: 12px 14px;\n      border-radius: 16px;\n      background: #e0f7ff;\n      border: 1px solid rgba(13, 217, 255, .14);\n      color: #3f3f3f;\n      font-size: 15px;\n      line-height: 1.45;\n    }\n\n    .iso-spec-row strong {\n      min-width: 105px;\n      color: var(--anthracite);\n      font-weight: 700;\n    }\n\n    .iso-photo-section {\n      background: #fff;\n    }\n\n    .iso-photo-grid {\n      display: grid;\n      grid-template-columns: 1.15fr .85fr;\n      gap: 28px;\n      align-items: stretch;\n    }\n\n    .iso-photo-main {\n      position: relative;\n      min-height: 560px;\n      border-radius: 34px;\n      overflow: hidden;\n      background: #1a1a1a;\n      box-shadow: 0 24px 64px rgba(26, 26, 26, .14);\n    }\n\n    .iso-photo-main img {\n      width: 100%;\n      height: 100%;\n      min-height: 560px;\n      object-fit: cover;\n      display: block;\n    }\n\n    .iso-callout {\n      position: absolute;\n      max-width: 310px;\n      padding: 14px 16px;\n      border-radius: 18px;\n      background: rgba(255, 255, 255, .92);\n      border: 1px solid rgba(255, 255, 255, .72);\n      backdrop-filter: blur(10px);\n      box-shadow: 0 14px 34px rgba(0, 0, 0, .12);\n    }\n\n    .iso-callout strong {\n      display: block;\n      color: var(--anthracite);\n      font-size: 14px;\n      margin-bottom: 4px;\n      font-weight: 700;\n    }\n\n    .iso-callout span {\n      display: block;\n      color: var(--muted);\n      font-size: 13px;\n      line-height: 1.4;\n    }\n\n    .iso-callout.one {\n      left: 24px;\n      top: 24px;\n    }\n\n    .iso-callout.two {\n      right: 24px;\n      top: 42%;\n    }\n\n    .iso-callout.three {\n      left: 24px;\n      bottom: 24px;\n    }\n\n    .iso-photo-side {\n      display: grid;\n      gap: 18px;\n    }\n\n    .iso-warning {\n      background: var(--warning);\n      border: 1px solid #f0d393;\n      border-radius: 30px;\n      padding: 34px;\n      box-shadow: 0 16px 40px rgba(26, 26, 26, .045);\n    }\n\n    .iso-warning h2,\n    .iso-warning h3 {\n      margin: 0 0 12px;\n      color: var(--anthracite);\n      font-size: clamp(26px, 3vw, 40px);\n      line-height: 1.08;\n      letter-spacing: -0.035em;\n    }\n\n    .iso-warning p {\n      margin: 0 0 16px;\n      color: #4a3a22;\n      line-height: 1.68;\n      font-size: 16px;\n    }\n\n    .iso-warning p:last-child {\n      margin-bottom: 0;\n    }\n\n    .iso-risk-grid {\n      display: grid;\n      grid-template-columns: repeat(4, 1fr);\n      gap: 16px;\n      margin-top: 24px;\n    }\n\n    .iso-risk {\n      background: rgba(255, 255, 255, .72);\n      border: 1px solid rgba(13, 217, 255, .12);\n      border-radius: 20px;\n      padding: 18px;\n    }\n\n    .iso-risk strong {\n      display: block;\n      color: var(--anthracite);\n      margin-bottom: 6px;\n      font-weight: 700;\n    }\n\n    .iso-risk span {\n      color: #6c5634;\n      font-size: 14px;\n      line-height: 1.45;\n      display: block;\n    }\n\n    .iso-steps {\n      counter-reset: step;\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 18px;\n    }\n\n    .iso-step {\n      counter-increment: step;\n      background: #fff;\n      border: 1px solid var(--line);\n      border-radius: 24px;\n      padding: 24px;\n      box-shadow: 0 14px 34px rgba(26, 26, 26, .045);\n    }\n\n    .iso-step::before {\n      content: counter(step);\n      display: inline-flex;\n      width: 42px;\n      height: 42px;\n      border-radius: 50%;\n      align-items: center;\n      justify-content: center;\n      background: var(--anthracite);\n      color: #fff;\n      font-weight: 900;\n      margin-bottom: 16px;\n    }\n\n    .iso-step h3 {\n      margin: 0 0 8px;\n      color: var(--anthracite);\n      font-size: 19px;\n      font-weight: 700;\n    }\n\n    .iso-step p {\n      margin: 0;\n      color: var(--muted);\n      font-size: 15px;\n      line-height: 1.55;\n    }\n\n    .iso-distributors {\n      background:\n        radial-gradient(circle at top right, rgba(13, 217, 255, .12), transparent 34%),\n        linear-gradient(135deg, #1a1a1a 0%, #242424 100%);\n      color: #fff;\n      border-radius: 36px;\n      padding: 46px;\n      box-shadow: 0 26px 70px rgba(0, 0, 0, .22);\n    }\n\n    .iso-distributors h2 {\n      margin: 0 0 12px;\n      font-size: clamp(30px, 4vw, 48px);\n      line-height: 1.05;\n      letter-spacing: -0.04em;\n    }\n\n    .iso-distributors p {\n      margin: 0 0 26px;\n      color: rgba(255, 255, 255, .78);\n      font-size: 18px;\n      line-height: 1.6;\n      max-width: 760px;\n    }\n\n    .iso-distributor-grid {\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 14px;\n    }\n\n    .iso-distributor-btn {\n      display: flex;\n      align-items: center;\n      justify-content: space-between;\n      gap: 14px;\n      padding: 18px 20px;\n      border-radius: 20px;\n      background: rgba(255, 255, 255, .1);\n      border: 1px solid rgba(255, 255, 255, .18);\n      color: #fff;\n      text-decoration: none;\n      font-weight: 850;\n      transition: transform .2s ease, background .2s ease;\n    }\n\n    .iso-distributor-btn:hover {\n      transform: translateY(-2px);\n      background: rgba(255, 255, 255, .16);\n      color: #fff;\n    }\n\n    .iso-distributor-btn span {\n      color: rgba(255, 255, 255, .65);\n      font-weight: 700;\n    }\n\n    .iso-faq {\n      display: grid;\n      gap: 14px;\n    }\n\n    .iso-faq details {\n      background: #fff;\n      border: 1px solid var(--line);\n      border-radius: 20px;\n      padding: 20px 22px;\n      box-shadow: 0 12px 28px rgba(26, 26, 26, .04);\n    }\n\n    .iso-faq summary {\n      cursor: pointer;\n      color: var(--anthracite);\n      font-size: 18px;\n      font-weight: 850;\n      list-style: none;\n    }\n\n    .iso-faq summary::-webkit-details-marker {\n      display: none;\n    }\n\n    .iso-faq p {\n      margin: 14px 0 0;\n      color: var(--muted);\n      line-height: 1.68;\n      font-size: 16px;\n    }\n\n    .iso-final-cta {\n      padding: 70px 0 86px;\n      background:\n        radial-gradient(circle at 20% 0%, rgba(13, 217, 255, .06), transparent 32%),\n        linear-gradient(135deg, #ffffff 0%, #f0fafb);\n    }\n\n    .iso-final-box {\n      background: #fff;\n      border: 1px solid var(--line);\n      border-radius: 36px;\n      padding: 46px;\n      display: grid;\n      grid-template-columns: 1fr auto;\n      gap: 24px;\n      align-items: center;\n      box-shadow: 0 24px 60px rgba(26, 26, 26, .08);\n    }\n\n    .iso-final-box h2 {\n      margin: 0 0 10px;\n      color: var(--anthracite);\n      font-size: clamp(28px, 4vw, 46px);\n      line-height: 1.05;\n      letter-spacing: -0.04em;\n    }\n\n    .iso-final-box p {\n      margin: 0;\n      color: var(--muted);\n      font-size: 18px;\n      line-height: 1.6;\n      max-width: 760px;\n    }\n\n    @media (max-width: 980px) {\n      .iso-hero-grid,\n      .iso-photo-grid,\n      .iso-final-box {\n        grid-template-columns: 1fr;\n      }\n\n      .iso-grid-4,\n      .iso-risk-grid {\n        grid-template-columns: repeat(2, 1fr);\n      }\n\n      .iso-grid-3,\n      .iso-steps,\n      .iso-distributor-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .iso-mini-grid,\n      .iso-grid-2 {\n        grid-template-columns: 1fr;\n      }\n\n      .iso-visual-card,\n      .iso-visual-card img,\n      .iso-photo-main,\n      .iso-photo-main img {\n        min-height: 430px;\n      }\n    }\n\n    @media (max-width: 640px) {\n      .iso-section {\n        padding: 54px 0;\n      }\n\n      .iso-hero {\n        padding: 58px 0 54px;\n      }\n\n      .iso-grid-4,\n      .iso-risk-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .iso-card,\n      .iso-app-card,\n      .iso-warning,\n      .iso-distributors,\n      .iso-final-box {\n        padding: 24px;\n        border-radius: 24px;\n      }\n\n      .iso-actions {\n        flex-direction: column;\n      }\n\n      .iso-btn {\n        width: 100%;\n      }\n\n      .iso-callout {\n        position: static;\n        max-width: none;\n        margin: 12px;\n      }\n\n      .iso-photo-main {\n        display: flex;\n        flex-direction: column;\n      }\n\n      .iso-photo-main img {\n        min-height: 330px;\n      }\n    }\n  \u003c\/style\u003e\n\u003csection class=\"iso-bronze-page\" id=\"isoflect-bronze\"\u003e\n\u003cdiv class=\"iso-hero\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-hero-grid\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"iso-eyebrow\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0854\/1785\/3261\/files\/reflectiva-bronze-silver-montaj-intre-sipca-si-contrasipca.png?v=1782813769\" alt=\"Cross-section rendering of the roof: the Reflectiva Bronze membrane installed between the batten and counter-batten, with the aluminium facing the roof covering\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThermo-reflective membrane with \u003cspan\u003ealuminium\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp class=\"iso-lead\"\u003eReflectiva Bronze is a multi-layer thermo-reflective membrane, the economical option in the Reflectiva family. It is used beneath the roof covering, as an additional thermo-reflective layer in the ventilated zone of the roof, and on the inside, as a sealed thermo-reflective vapour barrier.\u003c\/p\u003e\n\u003cdiv class=\"iso-actions\"\u003e\n\u003ca href=\"#distribuitori\" class=\"iso-btn iso-btn-primary\"\u003eBuy from our distributors\u003c\/a\u003e \u003ca href=\"#montaj\" class=\"iso-btn iso-btn-light\"\u003eSee the correct installation\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-mini-grid\"\u003e\n\u003cdiv class=\"iso-mini-card\"\u003e\n\u003cstrong\u003eBeneath the roof covering\u003c\/strong\u003e\n\u003cp\u003eAdditional thermo-reflective layer in the ventilated zone, over the breathable membrane.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-mini-card\"\u003e\n\u003cstrong\u003e\u003cimg alt=\"Rendering of an unheated loft: the Reflectiva Bronze membrane rolled out over the timber rafters\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0854\/1785\/3261\/files\/5.Isoflect_Bronze_podurineincalzite.jpg?v=1782807989\"\u003eOn the inside\u003c\/strong\u003e\n\u003cp\u003eThermo-reflective vapour barrier, installed between the living space and the insulation, airtight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-mini-card\"\u003e\n\u003cstrong\u003eDoes not replace the breathable membrane\u003c\/strong\u003e\n\u003cp\u003eThe breathable membrane remains mandatory for the release of moisture to the outside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-visual-card\"\u003e\n\u003cimg height=\"589\" width=\"745\" alt=\"Rendering of a roof with two chimneys, with the layers peeled back to show the position of the reflective membrane beneath the roof covering\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0854\/1785\/3261\/files\/acoperis-sectiune-straturi-membrana-reflectiva-sub-invelitoare.png?v=1782808023\"\u003e\n\u003cdiv class=\"iso-visual-overlay\"\u003e\n\u003cstrong\u003eInstallation beneath the roof covering\u003c\/strong\u003e\n\u003cp\u003eInstalled with the aluminium facing upwards, towards the roof covering, in order to limit the thermal radiation transmitted by the outer layer heated by the sun.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-section-head\"\u003e\n\u003ch2 style=\"text-align: left;\"\u003eRadiant protection, low thickness, clear installation\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eIsoflect Bronze completes the roof or interior insulation system, without replacing the mandatory technical layers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-grid-4\"\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e💨\u003c\/div\u003e\n\u003ch3\u003eReduces thermal radiation\u003c\/h3\u003e\n\u003cp\u003eLimits the transfer of heat from the sun-heated roof covering to the roof structure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e🛡️\u003c\/div\u003e\n\u003ch3\u003eProtects the structure\u003c\/h3\u003e\n\u003cp\u003eHelps reduce thermal stress on the structural elements and limits condensation on metal sheeting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e🏠\u003c\/div\u003e\n\u003ch3\u003eComfort in the attic room\u003c\/h3\u003e\n\u003cp\u003eHelps limit overheating of the spaces beneath the roof, even on extremely hot summer days.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e💧\u003c\/div\u003e\n\u003ch3\u003eVapour barrier\u003c\/h3\u003e\n\u003cp\u003eOn the inside, installed airtight, it limits vapour migration from the living space towards the thermal insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section\" id=\"aplicatii\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-section-head\"\u003e\n\u003ch2 style=\"text-align: left;\"\u003eTwo applications. Two installation rules.\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eBronze is used differently depending on its position in the system: beneath the roof covering or on the inside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-grid-2\"\u003e\n\u003cdiv class=\"iso-app-card\"\u003e\n\u003ch3\u003eBeneath the roof covering\u003c\/h3\u003e\n\u003cp\u003eInstalled in roofs with a batten and counter-batten system, in the ventilated zone, over the breathable membrane, without replacing it. The aluminium faces the roof covering, in order to limit the thermal radiation transmitted.\u003c\/p\u003e\n\u003cdiv class=\"iso-spec-list\"\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003eOrientation\u003c\/strong\u003e aluminium towards the roof covering\u003c\/div\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003ePosition\u003c\/strong\u003e in the ventilated zone of the roof\u003c\/div\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003eRole\u003c\/strong\u003e additional thermo-reflective layer\u003c\/div\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003eVentilation\u003c\/strong\u003e free gaps of 30–40 cm at the eaves and ridge\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-app-card\"\u003e\n\u003ch3\u003eOn the inside\u003c\/h3\u003e\n\u003cp\u003eInstalled between the living space and the bulk insulation zone, with the aluminium facing the room. It must be installed airtight, with the joints, edges and penetrations sealed.\u003c\/p\u003e\n\u003cdiv class=\"iso-spec-list\"\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003eOrientation\u003c\/strong\u003e aluminium towards the interior\u003c\/div\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003ePosition\u003c\/strong\u003e between the living space and the insulation\u003c\/div\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003eRole\u003c\/strong\u003e thermo-reflective vapour barrier\u003c\/div\u003e\n\u003cdiv class=\"iso-spec-row\"\u003e\n\u003cstrong\u003eMandatory\u003c\/strong\u003e complete sealing of all joints\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section iso-photo-section\" id=\"montaj\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-section-head left\"\u003e\n\u003cdiv class=\"iso-eyebrow\"\u003eCorrect installation\u003c\/div\u003e\n\u003ch2\u003eBronze is installed in the ventilated zone, not in place of the breathable membrane\u003c\/h2\u003e\n\u003cp\u003eThe membrane is installed over the breathable roof membrane, in the ventilated zone between the roof covering battens. The aluminium faces upwards, towards the roof covering, in order to reduce thermal radiation. Ventilation at the eaves and ridge must be maintained for air circulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-photo-grid\"\u003e\n\u003cdiv class=\"iso-photo-main\" style=\"text-align: start;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0854\/1785\/3261\/files\/membrana-termoizolanta-reflectiva-bronze-40-m2-4885925.jpg?v=1788121345\u0026amp;width=1600\" alt=\"Reflectiva Bronze membrane installed beneath the metal roof covering, between the roof battens, with the aluminium facing the roof covering\" width=\"1600\" height=\"968\" loading=\"lazy\"\u003e\n\u003cdiv class=\"iso-callout one\"\u003e\n\u003cstrong\u003e1. The breathable membrane remains in the system\u003c\/strong\u003e \u003cspan\u003eBronze does not replace the breathable roof membrane. It is installed over it.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-callout two\"\u003e\n\u003cstrong\u003e2. Installation in the ventilated zone\u003c\/strong\u003e \u003cspan\u003eInstalled between the roof covering battens, as an additional radiant layer.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-callout three\"\u003e\n\u003cstrong\u003e3. Aluminium towards the roof covering\u003c\/strong\u003e \u003cspan\u003eThe reflective surface limits the thermal radiation transmitted by the roof.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-photo-side\"\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e↔️\u003c\/div\u003e\n\u003ch3\u003eParallel to the eaves\u003c\/h3\u003e\n\u003cp\u003eThe strips are installed in courses parallel to the base of the roof, progressively towards the ridge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e↑\u003c\/div\u003e\n\u003ch3\u003eProgressively towards the ridge\u003c\/h3\u003e\n\u003cp\u003eInstallation is carried out course by course, as the horizontal battens of the roof covering are fitted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e30\u003c\/div\u003e\n\u003ch3\u003eVentilation 30–40 cm\u003c\/h3\u003e\n\u003cp\u003eFree ventilation gaps are maintained at the eaves and ridge for air circulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-warning\"\u003e\n\u003ch2\u003eCaution: Isoflect Bronze does not replace the breathable membrane\u003c\/h2\u003e\n\u003cp\u003eThe breathable membrane allows water vapour to escape from the thermal insulation into the ventilated zone and protects the roof structure against accidental infiltration. Replacing it with an impermeable vapour barrier is a major technical error.\u003c\/p\u003e\n\u003cp\u003eIf water vapour can no longer escape from the structure, moisture remains trapped in the thermal insulation, in the sarking boards and in the timber elements. Over time, this moisture can cause condensation, mould, loss of thermal performance and complete deterioration of the roof.\u003c\/p\u003e\n\u003cdiv class=\"iso-risk-grid\"\u003e\n\u003cdiv class=\"iso-risk\"\u003e\n\u003cstrong\u003eCondensation in the structure\u003c\/strong\u003e \u003cspan\u003eVapour turns into water in cold areas, especially at the insulation–metal sheeting interface.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-risk\"\u003e\n\u003cstrong\u003eDamp insulation\u003c\/strong\u003e \u003cspan\u003eMoisture reduces thermal performance and can cause the fibres to compact.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-risk\"\u003e\n\u003cstrong\u003eMould and odour\u003c\/strong\u003e \u003cspan\u003eTrapped moisture creates ideal conditions for fungal colonisation.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-risk\"\u003e\n\u003cstrong\u003eDeterioration of the timber\u003c\/strong\u003e \u003cspan\u003eThe sarking boards and the load-bearing structure can warp, swell or rot over time.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-section-head\"\u003e\n\u003ch2 style=\"text-align: left;\"\u003eMain installation steps beneath the roof covering\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eThe order of installation and compliance with the ventilation rules are essential for the correct operation of the system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-steps\"\u003e\n\u003cdiv class=\"iso-step\"\u003e\n\u003ch3\u003eThe breathable membrane is kept\u003c\/h3\u003e\n\u003cp\u003eThe breathable roof membrane remains mandatory in the roof system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-step\"\u003e\n\u003ch3\u003eBronze is installed in the ventilated zone\u003c\/h3\u003e\n\u003cp\u003eThe membrane is installed between the roof covering battens, as an additional thermo-reflective layer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-step\"\u003e\n\u003ch3\u003eThe aluminium faces upwards\u003c\/h3\u003e\n\u003cp\u003eThe reflective surface faces the roof covering, in order to limit thermal radiation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-step\"\u003e\n\u003ch3\u003eStrips parallel to the eaves\u003c\/h3\u003e\n\u003cp\u003eInstallation is carried out in courses parallel to the base of the roof, in bands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-step\"\u003e\n\u003ch3\u003eProgressive rise towards the ridge\u003c\/h3\u003e\n\u003cp\u003eThe courses are installed gradually, along with the fitting of the horizontal battens.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-step\"\u003e\n\u003ch3\u003eVentilation is maintained\u003c\/h3\u003e\n\u003cp\u003eFree gaps of approximately 30–40 cm are left at the eaves and ridge for air circulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-section-head\"\u003e\n\u003cstyle\u003e\n.isospec-wrap{font-family:Inter,ui-sans-serif,system-ui,-apple-system,\"Segoe UI\",Roboto,Arial,sans-serif;color:#1a1a1a;line-height:1.6;}\n.isospec-wrap h2{font-size:clamp(20px,4.4vw,26px);margin:36px 0 14px;color:#0d4e5c;}\n.isospec{width:100%;border-collapse:separate;border-spacing:0;font-size:clamp(12.5px,3.1vw,14px);border:1px solid #cfe3e9;border-radius:18px;overflow:hidden;}\n.isospec th{background:#0d4e5c;color:#fff;text-align:left;padding:12px clamp(9px,2.6vw,16px);font-weight:800;font-size:13px;letter-spacing:.03em;text-transform:uppercase;}\n.isospec td{padding:11px clamp(9px,2.6vw,16px);border-top:1px solid #cfe3e9;vertical-align:top;}\n.isospec tr:nth-child(even) td{background:#f1f8fa;}\n.isospec td:first-child{font-weight:700;color:#0d4e5c;width:42%;}\n.isospec-note{text-align:left;margin:10px 0 0;font-size:12.5px;color:#6b7d83;}\n\u003c\/style\u003e\n\u003cdiv class=\"isospec-wrap\"\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable class=\"isospec\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eMethod\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003eEN 1848-2\u003c\/td\u003e\n\u003ctd\u003e40 \/ 10 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003eEN 1848-2\u003c\/td\u003e\n\u003ctd\u003e1.2 \/ 1.0 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal thickness\u003c\/td\u003e\n\u003ctd\u003eEN 823\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass per unit area\u003c\/td\u003e\n\u003ctd\u003eEN 1849-2\u003c\/td\u003e\n\u003ctd\u003e125 g\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissivity\u003c\/td\u003e\n\u003ctd\u003eprEN 15976\u003c\/td\u003e\n\u003ctd\u003e0,05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReflectivity\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e95–97 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent air layer thickness for diffusion (Sd)\u003c\/td\u003e\n\u003ctd\u003eEN ISO 12572\u003c\/td\u003e\n\u003ctd\u003e140 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance to water penetration\u003c\/td\u003e\n\u003ctd\u003eEN 1928\u003c\/td\u003e\n\u003ctd\u003eW\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"isospec-note\"\u003eThe values come from the Reflectiva Bronze technical data sheet, edition 08\/2026. The mechanical characteristics are declared separately, once testing is complete. Construction: 90 g\/m² polyethylene air-bubble film, laminated on one face with 24 µm pure aluminium film (7 µm aluminium and 17 µm lamination layer). The aluminium face always faces the source of thermal radiation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\n\u003ch2 style=\"text-align: left;\"\u003eRecommended for\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eAn economical and effective solution for new projects, renovations and interior applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-grid-4\"\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e🏗️\u003c\/div\u003e\n\u003ch3\u003eNew roofs\u003c\/h3\u003e\n\u003cp\u003eWhen you want additional radiant protection integrated from the installation stage of the roof covering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e🔧\u003c\/div\u003e\n\u003ch3\u003eRenovations\u003c\/h3\u003e\n\u003cp\u003eWhen you are replacing the roof covering and want to improve the thermal protection of the roof.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e👥\u003c\/div\u003e\n\u003ch3\u003eHabitable attic rooms\u003c\/h3\u003e\n\u003cp\u003eFor reducing thermal radiation and improving comfort in the spaces beneath the roof.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-card-icon\"\u003e🔒\u003c\/div\u003e\n\u003ch3\u003eAirtight interior\u003c\/h3\u003e\n\u003cp\u003eAs a thermo-reflective vapour barrier, installed and sealed between the living space and the insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section\" id=\"distribuitori\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-section\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-section-head\"\u003e\n\u003ch2 style=\"text-align: left;\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cp style=\"text-align: left;\"\u003eImportant technical clarifications for the correct installation of the Isoflect Bronze membrane.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes Isoflect Bronze replace the breathable membrane?\u003c\/summary\u003e\n\u003cp\u003eNo. Isoflect Bronze is not a breathable membrane. It is installed as an additional thermo-reflective layer. The breathable membrane remains mandatory for the release of vapour to the outside and for the protection of the thermal insulation and the roof structure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow is Isoflect Bronze installed beneath the roof covering?\u003c\/summary\u003e\n\u003cp\u003eIt is installed in roofs with battens and counter-battens, in the ventilated zone, over the breathable membrane. The aluminium faces the roof covering. The strips are installed parallel to the eaves and rise progressively towards the ridge. Ventilation gaps of 30–40 cm are maintained at the eaves and ridge.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat role does Isoflect Bronze play beneath the roof covering?\u003c\/summary\u003e\n\u003cp\u003eBeneath the roof covering, it acts as an additional thermo-reflective layer. It limits the thermal radiation transmitted by the sun-heated roof covering to the roof structure. It helps reduce overheating of the spaces beneath the roof and protects the load-bearing structure from thermal stress.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan Isoflect Bronze be installed on the inside?\u003c\/summary\u003e\n\u003cp\u003eYes. On the inside, Isoflect Bronze is installed between the living space and the bulk insulation zone, with the aluminium facing the room. In this application, it must be installed airtight, with the joints, edges and penetrations sealed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs Isoflect Bronze a vapour barrier?\u003c\/summary\u003e\n\u003cp\u003eYes, in the interior application, if it is installed airtight, with the joints, edges and penetrations sealed. It limits the migration of water vapour from the living space towards the bulk insulation and the cold areas of the building.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eWhat types of roofs can it be used on?\u003c\/summary\u003e\n\u003cp\u003eOn roofs with a batten and counter-batten system, regardless of the type of roof covering: metal sheeting, metal tiles, clay tiles, concrete tiles or other compatible systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-final-cta\"\u003e\n\u003cdiv class=\"iso-wrap\"\u003e\n\u003cdiv class=\"iso-final-box\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eDo you want to use Isoflect Bronze in your roof?\u003c\/h2\u003e\n\u003cp\u003eChoose an economical thermo-reflective membrane, with radiant protection beneath the roof covering or as a sealed vapour barrier on the inside.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-actions\"\u003e\u003ca href=\"#distribuitori\" class=\"iso-btn iso-btn-primary\"\u003eSee the distributors\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Isoflect Insulation","offers":[{"title":"Default Title","offer_id":50560170754381,"sku":"6426495858133","price":122.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0854\/1785\/3261\/files\/membrana-termoizolanta-reflectiva-bronze-40-m2-8647813.png?v=1788121345","url":"https:\/\/isoflect.de\/en\/products\/membrana-termoizolanta-isoflect-bronze-40-m","provider":"Isoflect Insulation","version":"1.0","type":"link"}