{"id":8178,"date":"2025-09-22T13:34:11","date_gmt":"2025-09-22T13:34:11","guid":{"rendered":"https:\/\/www.linearossa.eu\/new\/?page_id=8178"},"modified":"2026-07-20T12:02:42","modified_gmt":"2026-07-20T12:02:42","slug":"lr-4500-uninsulated-opening-system","status":"publish","type":"page","link":"https:\/\/www.linearossa.eu\/en\/lr-4500-uninsulated-opening-system\/","title":{"rendered":"LR-4500 Uninsulated Opening System"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"8178\" class=\"elementor elementor-8178\">\n\t\t\t\t\t\t<section class=\" elementor-section elementor-top-section elementor-element elementor-element-2673a85 elementor-section-full_width alpha-section-stretched elementor-section-height-default elementor-section-height-default smart-sticky-default\" data-id=\"2673a85\" data-element_type=\"section\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\t<div class=\" elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cb4570b \" data-id=\"cb4570b\" data-element_type=\"column\">\r\n\r\n\t\t\t\t\r\n\t\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ff2bbe9 elementor-widget elementor-widget-html\" data-id=\"ff2bbe9\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<!--\n  LINEA ROSSA \u2014 LR-4500 ENGLISH PRODUCT PAGE\n  Paste this entire file into an Elementor HTML widget.\n  The .lr4500-page class keeps these styles isolated from the rest of the site.\n-->\n\n<style>\n  .lr4500-page {\n    --lr-navy: #063b57;\n    --lr-navy-deep: #032e45;\n    --lr-red: #df0828;\n    --lr-red-dark: #b90622;\n    --lr-ink: #17394a;\n    --lr-muted: #667983;\n    --lr-soft: #f5f6f8;\n    --lr-line: #dce5e8;\n    --lr-white: #ffffff;\n    width: 100%;\n    overflow: hidden;\n    color: var(--lr-ink);\n    background: var(--lr-white);\n    font-family: \"Montserrat\", \"Segoe UI\", Arial, sans-serif;\n    font-size: 16px;\n    line-height: 1.65;\n  }\n\n  .lr4500-page,\n  .lr4500-page * { box-sizing: border-box; }\n  .lr4500-page img { display: block; max-width: 100%; }\n  .lr4500-page a { text-decoration: none; }\n  .lr4500-page h1,\n  .lr4500-page h2,\n  .lr4500-page h3,\n  .lr4500-page p { margin-top: 0; }\n  .lr4500-page h1,\n  .lr4500-page h2,\n  .lr4500-page h3 {\n    color: var(--lr-navy);\n    font-family: inherit;\n    letter-spacing: -0.025em;\n  }\n\n  .lr4500-wrap {\n    width: min(1240px, calc(100% - 48px));\n    margin-inline: auto;\n  }\n\n  .lr4500-section { padding: 92px 0; }\n  .lr4500-section-title { margin-bottom: 44px; text-align: center; }\n  .lr4500-section-title h2 {\n    margin-bottom: 8px;\n    font-size: clamp(30px, 3vw, 40px);\n    line-height: 1.15;\n    font-weight: 700;\n  }\n  .lr4500-section-title::after {\n    content: \"\";\n    display: block;\n    width: 36px;\n    height: 2px;\n    margin: 17px auto 0;\n    background: var(--lr-red);\n  }\n  .lr4500-eyebrow {\n    display: block;\n    margin-bottom: 18px;\n    color: var(--lr-red-dark);\n    font-size: 13px;\n    line-height: 1.2;\n    font-weight: 700;\n    letter-spacing: .11em;\n    text-transform: none;\n  }\n\n  \/* Hero *\/\n  .lr4500-hero { padding: 54px 0 38px; }\n  .lr4500-hero-grid {\n    display: grid;\n    grid-template-columns: minmax(330px, .78fr) minmax(0, 1.35fr);\n    gap: 58px;\n    align-items: center;\n  }\n  .lr4500-hero h1 {\n    max-width: 540px;\n    margin-bottom: 22px;\n    font-size: clamp(40px, 3.65vw, 56px);\n    line-height: 1.02;\n    font-weight: 400;\n  }\n  .lr4500-title-code,\n  .lr4500-title-name { display: block; }\n  .lr4500-title-code { font-weight: 700; }\n  .lr4500-title-name { margin-top: 4px; font-weight: 300; }\n  .lr4500-hero-description {\n    max-width: 525px;\n    margin-bottom: 27px;\n    color: var(--lr-muted);\n    font-size: 16px;\n    line-height: 1.75;\n  }\n  .lr4500-benefits {\n    display: grid;\n    gap: 13px;\n    padding: 0;\n    margin: 0 0 31px;\n    list-style: none;\n  }\n  .lr4500-benefits li {\n    display: flex;\n    gap: 12px;\n    align-items: center;\n    color: var(--lr-ink);\n    font-size: 14px;\n    font-weight: 550;\n  }\n  .lr4500-benefits li::before {\n    content: \"\";\n    flex: 0 0 6px;\n    width: 6px;\n    height: 6px;\n    border-radius: 50%;\n    background: var(--lr-red-dark);\n  }\n  .lr4500-actions { display: flex; flex-wrap: wrap; gap: 13px; }\n  .lr4500-btn {\n    display: inline-flex;\n    min-height: 49px;\n    padding: 12px 22px;\n    align-items: center;\n    justify-content: center;\n    gap: 10px;\n    border: 1px solid var(--lr-navy);\n    border-radius: 3px;\n    font-size: 14px;\n    line-height: 1;\n    font-weight: 650;\n    transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;\n  }\n  .lr4500-btn:hover { transform: translateY(-2px); }\n  .lr4500-btn-primary { border-color: var(--lr-red); color: var(--lr-white) !important; background: var(--lr-red); }\n  .lr4500-btn-primary:hover { border-color: var(--lr-red-dark); background: var(--lr-red-dark); }\n  .lr4500-btn-outline { color: var(--lr-navy) !important; background: transparent; }\n  .lr4500-btn-outline:hover { color: var(--lr-white) !important; background: var(--lr-navy); }\n  .lr4500-btn svg { width: 17px; height: 17px; }\n  .lr4500-hero-right { min-width: 0; }\n  .lr4500-hero-media {\n    position: relative;\n    overflow: hidden;\n    min-height: 520px;\n    background: var(--lr-soft);\n  }\n  .lr4500-hero-media img {\n    width: 100%;\n    height: 100%;\n    min-height: 520px;\n    object-fit: cover;\n  }\n  .lr4500-hero-brand { display: flex; justify-content: flex-end; padding-top: 15px; }\n  .lr4500-brand-badge {\n    display: flex;\n    width: min(220px, 100%);\n    min-height: 158px;\n    padding: 12px 18px;\n    align-items: center;\n    justify-content: center;\n    background: var(--lr-white);\n  }\n  .lr4500-brand-badge img { width: auto; height: 130px; max-width: 100%; object-fit: contain; }\n\n  \/* Key performance *\/\n  .lr4500-metrics { border-top: 1px solid var(--lr-line); border-bottom: 1px solid var(--lr-line); }\n  .lr4500-metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); padding: 31px 0; }\n  .lr4500-metric {\n    display: grid;\n    grid-template-columns: 43px 1fr;\n    gap: 16px;\n    align-items: center;\n    min-height: 66px;\n    padding: 0 26px;\n    border-right: 1px solid var(--lr-line);\n  }\n  .lr4500-metric:first-child { padding-left: 0; }\n  .lr4500-metric:last-child { padding-right: 0; border-right: 0; }\n  .lr4500-metric-icon { display: grid; width: 43px; height: 43px; place-items: center; color: var(--lr-red-dark); }\n  .lr4500-metric-icon svg,\n  .lr4500-metric-icon img { width: 42px; height: 42px; object-fit: contain; }\n  .lr4500-metric strong {\n    display: block;\n    margin-bottom: 2px;\n    color: var(--lr-navy);\n    font-size: 23px;\n    line-height: 1.1;\n    font-weight: 800;\n  }\n  .lr4500-metric span {\n    display: block;\n    color: var(--lr-ink);\n    font-size: 13px;\n    line-height: 1.35;\n    font-weight: 650;\n  }\n\n  \/* Features *\/\n  .lr4500-features { background: var(--lr-soft); }\n  .lr4500-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }\n  .lr4500-feature-card {\n    position: relative;\n    min-height: 280px;\n    padding: 35px 25px 30px;\n    overflow: hidden;\n    border: 1px solid #e3e9eb;\n    border-radius: 4px;\n    background: var(--lr-white);\n    box-shadow: 0 8px 25px rgba(6, 59, 87, .045);\n    transition: transform .22s ease, box-shadow .22s ease;\n  }\n  .lr4500-feature-card:hover { transform: translateY(-5px); box-shadow: 0 16px 35px rgba(6, 59, 87, .09); }\n  .lr4500-feature-number {\n    display: block;\n    margin-bottom: 33px;\n    color: var(--lr-red-dark);\n    font-size: 14px;\n    line-height: 1;\n    font-weight: 750;\n    letter-spacing: .12em;\n  }\n  .lr4500-feature-card::after {\n    content: \"\";\n    position: absolute;\n    top: 43px;\n    left: 58px;\n    width: 34px;\n    height: 1px;\n    background: var(--lr-line);\n  }\n  .lr4500-feature-card h3 { margin-bottom: 12px; font-size: 18px; line-height: 1.3; font-weight: 700; }\n  .lr4500-feature-card p { margin-bottom: 0; color: var(--lr-muted); font-size: 13px; line-height: 1.68; }\n\n  \/* Technical details *\/\n  .lr4500-tech-grid {\n    display: grid;\n    grid-template-columns: minmax(0, 1fr) minmax(430px, .9fr);\n    gap: 68px;\n    align-items: stretch;\n  }\n  .lr4500-tech-visuals { display: grid; gap: 20px; }\n  .lr4500-tech-visuals figure {\n    display: flex;\n    min-height: 410px;\n    margin: 0;\n    align-items: center;\n    justify-content: center;\n    overflow: hidden;\n    background: #f4f4f6;\n  }\n  .lr4500-tech-visuals figure img { width: 100%; height: 100%; object-fit: contain; }\n  .lr4500-config {\n    padding: 24px 28px 22px;\n    border: 1px solid var(--lr-line);\n    background: var(--lr-white);\n  }\n  .lr4500-config-label {\n    margin-bottom: 16px !important;\n    color: var(--lr-navy);\n    font-size: 12px;\n    font-weight: 700;\n    letter-spacing: .09em;\n    text-transform: none;\n  }\n  .lr4500-config img { width: 100%; }\n  .lr4500-tech-card {\n    padding: 42px 42px 38px;\n    border-radius: 5px;\n    color: rgba(255,255,255,.85);\n    background: linear-gradient(145deg, var(--lr-navy), var(--lr-navy-deep));\n  }\n  .lr4500-tech-card h3 {\n    margin-bottom: 23px;\n    color: var(--lr-white);\n    font-size: 18px;\n    font-weight: 700;\n    letter-spacing: .02em;\n    text-transform: none;\n  }\n  .lr4500-spec-list { padding: 0; margin: 0 0 28px; list-style: none; }\n  .lr4500-spec-list li {\n    display: grid;\n    grid-template-columns: minmax(0, 1fr) auto;\n    gap: 18px;\n    padding: 13px 0;\n    border-bottom: 1px solid rgba(255,255,255,.2);\n    font-size: 12px;\n    line-height: 1.35;\n  }\n  .lr4500-spec-list span { font-weight: 550; text-transform: none; }\n  .lr4500-spec-list strong { color: var(--lr-white); font-weight: 700; white-space: nowrap; }\n  .lr4500-tech-note { margin-bottom: 13px; font-size: 13px; line-height: 1.72; }\n\n  \/* Product gallery *\/\n  .lr4500-gallery { padding-top: 14px; padding-bottom: 94px; }\n  .lr4500-gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }\n  .lr4500-gallery-item {\n    position: relative;\n    display: block;\n    overflow: hidden;\n    aspect-ratio: 4 \/ 3;\n    background: #f1f1f3;\n  }\n  .lr4500-gallery-item img {\n    width: 100%;\n    height: 100%;\n    object-fit: contain;\n    transition: transform .45s ease;\n  }\n  .lr4500-gallery-item:hover img { transform: scale(1.025); }\n\n  \/* CTA *\/\n  .lr4500-cta { padding-bottom: 88px; }\n  .lr4500-cta-inner {\n    position: relative;\n    display: grid;\n    grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);\n    gap: 50px;\n    align-items: center;\n    overflow: hidden;\n    padding: 56px 64px;\n    border-radius: 5px;\n    color: var(--lr-white);\n    background: var(--lr-navy);\n  }\n  .lr4500-cta-inner::after {\n    content: \"\";\n    position: absolute;\n    right: -90px;\n    top: -150px;\n    width: 430px;\n    height: 430px;\n    border: 1px solid rgba(255,255,255,.07);\n    transform: rotate(45deg);\n    pointer-events: none;\n  }\n  .lr4500-cta h2 {\n    max-width: 650px;\n    margin-bottom: 14px;\n    color: var(--lr-white);\n    font-size: clamp(28px, 3vw, 38px);\n    line-height: 1.2;\n    font-weight: 700;\n  }\n  .lr4500-cta p { max-width: 670px; margin-bottom: 0; color: rgba(255,255,255,.72); font-size: 14px; }\n  .lr4500-cta-actions { position: relative; z-index: 1; display: grid; gap: 12px; }\n  .lr4500-cta .lr4500-btn-primary { border-color: var(--lr-red); background: var(--lr-red); }\n  .lr4500-cta .lr4500-btn-primary:hover { border-color: var(--lr-red-dark); background: var(--lr-red-dark); }\n  .lr4500-cta .lr4500-btn-outline { border-color: rgba(255,255,255,.8); color: var(--lr-white) !important; }\n  .lr4500-cta .lr4500-btn-outline:hover { color: var(--lr-navy) !important; background: var(--lr-white); }\n\n  \/* Technical documentation portal *\/\n  .lr4500-portal {\n    position: relative;\n    z-index: 1;\n    margin-top: -58px;\n    padding-bottom: 88px;\n  }\n  .lr4500-portal-inner {\n    position: relative;\n    display: grid;\n    grid-template-columns: 62px minmax(0, 1fr) auto;\n    gap: 28px;\n    align-items: center;\n    overflow: hidden;\n    padding: 38px 44px;\n    border-radius: 5px;\n    color: var(--lr-white);\n    background: linear-gradient(135deg, var(--lr-navy), var(--lr-navy-deep));\n  }\n  .lr4500-portal-inner::after {\n    content: \"\";\n    position: absolute;\n    right: 19%;\n    top: -115px;\n    width: 280px;\n    height: 280px;\n    border: 1px solid rgba(255,255,255,.055);\n    transform: rotate(45deg);\n    pointer-events: none;\n  }\n  .lr4500-portal-icon {\n    position: relative;\n    z-index: 1;\n    display: grid;\n    width: 62px;\n    height: 62px;\n    place-items: center;\n    border: 1px solid rgba(255,255,255,.2);\n    border-radius: 4px;\n    color: var(--lr-white);\n  }\n  .lr4500-portal-icon svg { width: 31px; height: 31px; }\n  .lr4500-portal-content { position: relative; z-index: 1; }\n  .lr4500-portal-eyebrow {\n    display: block;\n    margin-bottom: 7px;\n    color: #64bfed;\n    font-size: 11px;\n    line-height: 1.2;\n    font-weight: 700;\n    letter-spacing: .12em;\n    text-transform: none;\n  }\n  .lr4500-portal h2 {\n    margin: 0 0 8px;\n    color: var(--lr-white);\n    font-size: clamp(23px, 2.4vw, 31px);\n    line-height: 1.2;\n    font-weight: 700;\n  }\n  .lr4500-portal p {\n    max-width: 720px;\n    margin: 0;\n    color: rgba(255,255,255,.72);\n    font-size: 13px;\n    line-height: 1.65;\n  }\n  .lr4500-portal-note {\n    display: block;\n    margin-top: 7px;\n    color: rgba(255,255,255,.5);\n    font-size: 11px;\n    line-height: 1.45;\n  }\n  .lr4500-portal-button {\n    position: relative;\n    z-index: 1;\n    display: inline-flex;\n    min-width: 178px;\n    min-height: 49px;\n    padding: 12px 22px;\n    align-items: center;\n    justify-content: center;\n    gap: 10px;\n    border: 1px solid var(--lr-red);\n    border-radius: 3px;\n    color: var(--lr-white) !important;\n    background: var(--lr-red);\n    font-size: 13px;\n    line-height: 1;\n    font-weight: 700;\n    text-decoration: none !important;\n    transition: background-color .2s ease, border-color .2s ease, transform .2s ease;\n  }\n  .lr4500-portal-button:hover {\n    border-color: var(--lr-red-dark);\n    background: var(--lr-red-dark);\n    transform: translateY(-2px);\n  }\n  .lr4500-portal-button svg { width: 16px; height: 16px; }\n\n  @media (max-width: 1024px) {\n    .lr4500-hero-grid { grid-template-columns: minmax(300px,.9fr) minmax(0,1.1fr); gap: 36px; }\n    .lr4500-hero-media,\n    .lr4500-hero-media img { min-height: 440px; }\n    .lr4500-metrics-grid { grid-template-columns: repeat(3,1fr); }\n    .lr4500-feature-grid { grid-template-columns: repeat(2,1fr); }\n    .lr4500-tech-grid { grid-template-columns: 1fr 1fr; gap: 34px; }\n    .lr4500-tech-card { padding: 34px 30px; }\n  }\n\n  @media (max-width: 767px) {\n    .lr4500-wrap { width: min(100% - 36px, 600px); }\n    .lr4500-section { padding: 62px 0; }\n    .lr4500-hero { padding: 42px 0 30px; }\n    .lr4500-hero-grid,\n    .lr4500-tech-grid,\n    .lr4500-cta-inner { grid-template-columns: 1fr; }\n    .lr4500-hero h1 { font-size: clamp(34px, 10vw, 46px); }\n    .lr4500-hero-media,\n    .lr4500-hero-media img { min-height: 330px; }\n    .lr4500-hero-media img { object-position: 50% center; }\n    .lr4500-hero-brand { justify-content: center; }\n    .lr4500-brand-badge { width: min(200px, 100%); min-height: 145px; }\n    .lr4500-brand-badge img { height: 115px; }\n    .lr4500-actions,\n    .lr4500-actions .lr4500-btn { width: 100%; }\n    .lr4500-metrics-grid { grid-template-columns: 1fr; padding: 16px 0; }\n    .lr4500-metric { grid-template-columns: 43px 1fr; gap: 14px; padding: 17px 0; border-right: 0; border-bottom: 1px solid var(--lr-line); }\n    .lr4500-metric:last-child { border-bottom: 0; }\n    .lr4500-metric strong { font-size: 18px; }\n    .lr4500-metric span { font-size: 11px; }\n    .lr4500-feature-grid { grid-template-columns: 1fr; }\n    .lr4500-feature-card { min-height: 0; }\n    .lr4500-tech-visuals figure { min-height: 320px; }\n    .lr4500-tech-card { padding: 32px 22px; }\n    .lr4500-gallery-grid { grid-template-columns: 1fr; gap: 16px; }\n    .lr4500-gallery { padding-bottom: 65px; }\n    .lr4500-cta { padding-bottom: 62px; }\n    .lr4500-cta-inner { gap: 28px; padding: 40px 25px; }\n    .lr4500-portal { margin-top: -40px; padding-bottom: 62px; }\n    .lr4500-portal-inner { grid-template-columns: 1fr; gap: 20px; padding: 34px 25px; }\n    .lr4500-portal-icon { width: 54px; height: 54px; }\n    .lr4500-portal-button { width: 100%; }\n  }\n\n  \/* Centers the three-item performance row on tablet and desktop. *\/\n  @media (min-width: 769px) {\n    .lr4500-metrics-grid {\n      width: 100%;\n      max-width: 1050px;\n      margin-left: auto;\n      margin-right: auto;\n      grid-template-columns: repeat(3, minmax(0, 1fr));\n      justify-content: center;\n    }\n    .lr4500-metric {\n      grid-template-columns: 43px auto;\n      justify-content: center;\n      align-items: center;\n      padding-left: 28px;\n      padding-right: 28px;\n    }\n  }\n<\/style>\n\n<main class=\"lr4500-page\">\n  <!-- 1. PRODUCT INTRODUCTION -->\n  <section class=\"lr4500-hero\">\n    <div class=\"lr4500-wrap lr4500-hero-grid\">\n      <div class=\"lr4500-hero-copy\">\n        <span class=\"lr4500-eyebrow\">OPENING SYSTEMS<\/span>\n        <h1><span class=\"lr4500-title-code\">LR-4500<\/span><span class=\"lr4500-title-name\">Uninsulated Opening System<\/span><\/h1>\n        <p class=\"lr4500-hero-description\">\n          LR-4500 creates a seamless connection between indoor and outdoor spaces through wide glass surfaces and sleek profiles, combining versatile window and door openings with economical performance and a refined architectural appearance.\n        <\/p>\n        <ul class=\"lr4500-benefits\">\n          <li>Single or double glazing up to 40 mm<\/li>\n          <li>Up to 130 kg glass weight for doors and windows<\/li>\n          <li>Enhanced sealing with a three-stage gasket system<\/li>\n        <\/ul>\n        <div class=\"lr4500-actions\">\n          <a class=\"lr4500-btn lr4500-btn-primary\" href=\"#technical-details\">Technical Specifications<\/a>\n          <a class=\"lr4500-btn lr4500-btn-outline\" href=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/10\/LR-4500.pdf\" target=\"_blank\" rel=\"noopener\">\n            <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" aria-hidden=\"true\"><path d=\"M12 3v12m0 0 4-4m-4 4-4-4M5 20h14\"\/><\/svg>\n            Download Brochure\n          <\/a>\n        <\/div>\n      <\/div>\n      <div class=\"lr4500-hero-right\">\n        <div class=\"lr4500-hero-media\">\n          <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/09\/LR4500.jpg\" alt=\"LR-4500 Uninsulated Opening System application\" width=\"1024\" height=\"683\" fetchpriority=\"high\">\n        <\/div>\n        <div class=\"lr4500-hero-brand\">\n          <div class=\"lr4500-brand-badge\">\n            <img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/07\/lrserieslogo.png\" alt=\"Linea Rossa LR Series\" width=\"759\" height=\"1161\">\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- 2. PRODUCT SUMMARY -->\n  <section class=\"lr4500-metrics\" aria-label=\"LR-4500 key performance values\">\n    <div class=\"lr4500-wrap lr4500-metrics-grid\">\n      <div class=\"lr4500-metric\">\n        <div class=\"lr4500-metric-icon\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/07\/yenilikci.svg\" alt=\"\" aria-hidden=\"true\"><\/div>\n        <div><strong>Innovative<\/strong><span>Design<\/span><\/div>\n      <\/div>\n      <div class=\"lr4500-metric\">\n        <div class=\"lr4500-metric-icon\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/07\/sound-performance.svg\" alt=\"\" aria-hidden=\"true\"><\/div>\n        <div><strong>Strong<\/strong><span>Sound Insulation<\/span><\/div>\n      <\/div>\n      <div class=\"lr4500-metric\">\n        <div class=\"lr4500-metric-icon\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/07\/sineklik.svg\" alt=\"\" aria-hidden=\"true\"><\/div>\n        <div><strong>Compatible<\/strong><span>Fly Screen Option<\/span><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- 3. FEATURES -->\n  <section class=\"lr4500-section lr4500-features\">\n    <div class=\"lr4500-wrap\">\n      <header class=\"lr4500-section-title\"><h2>Key Features<\/h2><\/header>\n      <div class=\"lr4500-feature-grid\">\n        <article class=\"lr4500-feature-card\">\n          <span class=\"lr4500-feature-number\">01<\/span>\n          <h3>Sleek Profiles and Wide Glass<\/h3>\n          <p>The clean profile appearance works with generous glass surfaces to create a bright, spacious and visually continuous connection between spaces.<\/p>\n        <\/article>\n        <article class=\"lr4500-feature-card\">\n          <span class=\"lr4500-feature-number\">02<\/span>\n          <h3>Three-Stage Gasket System<\/h3>\n          <p>Three separate sealing levels improve protection against air and water exposure, supporting more reliable and comfortable use in an uninsulated profile structure.<\/p>\n        <\/article>\n        <article class=\"lr4500-feature-card\">\n          <span class=\"lr4500-feature-number\">03<\/span>\n          <h3>Glazing up to 40 mm<\/h3>\n          <p>Support for single or double glazing allows the system to adapt flexibly to different performance requirements and architectural design decisions.<\/p>\n        <\/article>\n        <article class=\"lr4500-feature-card\">\n          <span class=\"lr4500-feature-number\">04<\/span>\n          <h3>Distinctive Surface Options<\/h3>\n          <p>Powder coating and wood-effect finishes strengthen compatibility with different architectural identities and interior design concepts.<\/p>\n        <\/article>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- 4. TECHNICAL DETAILS -->\n  <section class=\"lr4500-section\" id=\"technical-details\">\n    <div class=\"lr4500-wrap\">\n      <header class=\"lr4500-section-title\"><h2>Technical Details<\/h2><\/header>\n      <div class=\"lr4500-tech-grid\">\n        <div class=\"lr4500-tech-visuals\">\n          <figure><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/07\/3kademe.png\" alt=\"LR-4500 three-stage gasket system profile section\" loading=\"lazy\"><\/figure>\n          <div class=\"lr4500-config\">\n            <p class=\"lr4500-config-label\">Opening Types<\/p>\n            <img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/09\/conf-4-1024x257.png\" alt=\"LR-4500 window and door opening configurations\" loading=\"lazy\">\n          <\/div>\n        <\/div>\n        <div class=\"lr4500-tech-card\">\n          <h3>Technical Specifications<\/h3>\n          <ul class=\"lr4500-spec-list\">\n            <li><span>Frame Dimensions<\/span><strong>55 \/ 63.7 mm<\/strong><\/li>\n            <li><span>Sash Dimensions<\/span><strong>62 \/ 74.3 mm<\/strong><\/li>\n            <li><span>Glass Application<\/span><strong>Up to 40 mm<\/strong><\/li>\n            <li><span>Max. Glass Weight<\/span><strong>130 kg<\/strong><\/li>\n            <li><span>Sealing<\/span><strong>Three-stage gasket<\/strong><\/li>\n            <li><span>Profile Wall Thickness<\/span><strong>1.6\u20132.0 mm<\/strong><\/li>\n          <\/ul>\n          <p class=\"lr4500-tech-note\">LR-4500 adapts easily to contemporary interior and exterior layouts with its practical structure and versatile opening options for both window and door applications.<\/p>\n          <p class=\"lr4500-tech-note\">Glazing support up to 40 mm, a 130 kg glass capacity and a three-stage gasket system combine aesthetics, durability and functional performance in wide-glass applications.<\/p>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- 5. PRODUCT VISUALS -->\n  <section class=\"lr4500-gallery\">\n    <div class=\"lr4500-wrap\">\n      <div class=\"lr4500-gallery-grid\">\n        <a class=\"lr4500-gallery-item\" href=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/09\/4500-1.jpg\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open the enlarged LR-4500 opening sash profile detail\">\n          <img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/09\/4500-1.jpg\" alt=\"LR-4500 opening sash, frame, glazing and gasket profile detail\" loading=\"lazy\">\n        <\/a>\n        <a class=\"lr4500-gallery-item\" href=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/09\/4500-2-1.jpg\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open the enlarged LR-4500 mullion profile detail\">\n          <img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/09\/4500-2-1.jpg\" alt=\"LR-4500 window and door mullion profile section\" loading=\"lazy\">\n        <\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- 6. CALL TO ACTION -->\n  <section class=\"lr4500-cta\">\n    <div class=\"lr4500-wrap lr4500-cta-inner\">\n      <div>\n        <h2>Let\u2019s determine the right insulated opening solution for your window or door project.<\/h2>\n        <p>Get support from our expert team on sash dimensions, glazing, opening types, thresholds, hidden sashes and fly screen options.<\/p>\n      <\/div>\n      <div class=\"lr4500-cta-actions\">\n        <a class=\"lr4500-btn lr4500-btn-primary\" href=\"https:\/\/www.linearossa.eu\/en\/contact-us\/\">Contact Us<\/a>\n        <a class=\"lr4500-btn lr4500-btn-outline\" href=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2025\/10\/LR-4500.pdf\" target=\"_blank\" rel=\"noopener\">\n          <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" aria-hidden=\"true\"><path d=\"M12 3v12m0 0 4-4m-4 4-4-4M5 20h14\"\/><\/svg>\n          Download Brochure\n        <\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- 7. TECHNICAL DOCUMENTATION PORTAL -->\n  <section class=\"lr4500-portal\" aria-label=\"Linea Rossa Technical Documentation Portal\">\n    <div class=\"lr4500-wrap lr4500-portal-inner\">\n      <div class=\"lr4500-portal-icon\" aria-hidden=\"true\">\n        <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.6\">\n          <path d=\"M7 3.5h7l3 3V20.5H7z\"\/>\n          <path d=\"M14 3.5v3h3M9.5 11h5M9.5 14h5\"\/>\n          <path d=\"M5 6.5H4v15h11v-1\"\/>\n        <\/svg>\n      <\/div>\n      <div class=\"lr4500-portal-content\">\n        <span class=\"lr4500-portal-eyebrow\">For Professionals<\/span>\n        <h2>Technical Documentation Portal<\/h2>\n        <p>Access system CAD files, detailed technical documents and technical PDFs in one place through your approved account.<\/p>\n        <span class=\"lr4500-portal-note\">Portal access becomes available after your membership request is approved by Linea Rossa.<\/span>\n      <\/div>\n      <a class=\"lr4500-portal-button\" href=\"https:\/\/www.linearossa.eu\/portal\/\">\n        Login \/ Register\n        <svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" aria-hidden=\"true\"><path d=\"M5 12h13m0 0-5-5m5 5-5 5\"\/><\/svg>\n      <\/a>\n    <\/div>\n  <\/section>\n<\/main>\n\n<style>\n\/* LINEA ROSSA \u2014 TAM GEN\u0130\u015eL\u0130K SAYFA SONU BANDI *\/\n\n\/* Bilgi Al ve portal b\u00f6l\u00fcmlerini ekran\u0131n iki kenar\u0131na ta\u015f\u0131r. *\/\nmain[class$=\"-page\"] > section[class$=\"-cta\"],\nmain[class$=\"-page\"] > section[class$=\"-portal\"] {\n  width: 100% !important;\n  max-width: none !important;\n  margin-left: 0 !important;\n  margin-right: 0 !important;\n  background: #063b57 !important;\n  box-shadow: 0 0 0 100vmax #063b57;\n  clip-path: inset(0 -100vmax);\n  box-sizing: border-box;\n}\n\n\/* Bilgi Al b\u00f6l\u00fcm\u00fc *\/\nmain[class$=\"-page\"] > section[class$=\"-cta\"] {\n  margin-top: 0 !important;\n  margin-bottom: 0 !important;\n  padding: 72px 0 34px !important;\n}\n\nmain[class$=\"-page\"] > section[class$=\"-cta\"] > [class$=\"-cta-inner\"] {\n  width: min(100% - 48px, 1240px) !important;\n  margin: 0 auto !important;\n  padding: 0 0 36px !important;\n  overflow: visible !important;\n  border: 0 !important;\n  border-radius: 0 !important;\n  background: transparent !important;\n  box-shadow: none !important;\n}\n\nmain[class$=\"-page\"] > section[class$=\"-cta\"] > [class$=\"-cta-inner\"]::after {\n  display: none !important;\n}\n\n\/* Teknik Dok\u00fcmantasyon Portal\u0131 *\/\nmain[class$=\"-page\"] > section[class$=\"-portal\"] {\n  margin-top: 0 !important;\n  margin-bottom: 0 !important;\n  padding: 0 0 72px !important;\n}\n\nmain[class$=\"-page\"] > section[class$=\"-portal\"] > [class$=\"-portal-inner\"] {\n  width: min(100% - 48px, 1240px) !important;\n  margin: 0 auto !important;\n  padding: 34px 0 0 !important;\n  overflow: visible !important;\n  border: 0 !important;\n  border-top: 1px solid rgba(255, 255, 255, .16) !important;\n  border-radius: 0 !important;\n  background: transparent !important;\n  box-shadow: none !important;\n}\n\nmain[class$=\"-page\"] > section[class$=\"-portal\"] > [class$=\"-portal-inner\"]::after {\n  display: none !important;\n}\n\n\/* Mobil g\u00f6r\u00fcn\u00fcm *\/\n@media (max-width: 767px) {\n  main[class$=\"-page\"] > section[class$=\"-cta\"] {\n    padding: 54px 0 28px !important;\n  }\n\n  main[class$=\"-page\"] > section[class$=\"-cta\"] > [class$=\"-cta-inner\"],\n  main[class$=\"-page\"] > section[class$=\"-portal\"] > [class$=\"-portal-inner\"] {\n    width: min(100% - 32px, 1240px) !important;\n  }\n\n  main[class$=\"-page\"] > section[class$=\"-cta\"] > [class$=\"-cta-inner\"] {\n    padding-bottom: 30px !important;\n  }\n\n  main[class$=\"-page\"] > section[class$=\"-portal\"] {\n    padding-bottom: 56px !important;\n  }\n\n  main[class$=\"-page\"] > section[class$=\"-portal\"] > [class$=\"-portal-inner\"] {\n    padding-top: 28px !important;\n  }\n}\n<\/style>\n\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/section>\r\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>OPENING SYSTEMS LR-4500Uninsulated Opening System LR-4500 creates a seamless connection between indoor and outdoor spaces through wide glass surfaces and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-8178","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/pages\/8178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/comments?post=8178"}],"version-history":[{"count":59,"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/pages\/8178\/revisions"}],"predecessor-version":[{"id":17446,"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/pages\/8178\/revisions\/17446"}],"wp:attachment":[{"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/media?parent=8178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}