{"id":17900,"date":"2026-10-15T05:54:45","date_gmt":"2026-10-15T05:54:45","guid":{"rendered":"https:\/\/www.linearossa.eu\/en\/?page_id=17900"},"modified":"2026-10-15T06:11:18","modified_gmt":"2026-10-15T06:11:18","slug":"lr-5500d-fr-fire-resistant-door-system","status":"publish","type":"page","link":"https:\/\/www.linearossa.eu\/en\/lr-5500d-fr-fire-resistant-door-system\/","title":{"rendered":"LR5500D-FR Fire Resistant Door System"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"17900\" class=\"elementor elementor-17900\">\n\t\t\t\t\t\t<section class=\" elementor-section elementor-top-section elementor-element elementor-element-f183ced elementor-section-full_width alpha-section-stretched elementor-section-height-default elementor-section-height-default smart-sticky-default\" data-id=\"f183ced\" data-element_type=\"section\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\r\n\t\t\t\t\r\n\t\t\t\t\t\t\t\t<div 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h1{font-size:clamp(34px,10vw,46px)}.lr5500-hero-media,.lr5500-hero-media img{min-height:330px}.lr5500-hero-brand{justify-content:center}.lr5500-brand-badge{width:min(260px,100%)}.lr5500-actions,.lr5500-actions .lr5500-btn{width:100%}.lr5500-metrics-grid{grid-template-columns:1fr;padding:16px 0}.lr5500-metric,.lr5500-metric:nth-child(-n+2),.lr5500-metric:nth-child(n+3){padding:17px 0;border-right:0;border-bottom:1px solid var(--line)}.lr5500-metric:last-child{border-bottom:0}.lr5500-feature-grid,.lr5500-tech-visuals{grid-template-columns:1fr}.lr5500-feature-card{min-height:0}.lr5500-fire{padding:72px 0}.lr5500-fire-badge{min-height:190px;max-width:280px;width:100%;justify-self:center}.lr5500-tech-visuals figure{min-height:0;aspect-ratio:1\/1}.lr5500-tech-card{padding:32px 22px}.lr5500-asos{padding-bottom:72px}.lr5500-asos-inner{gap:24px;padding:32px 24px}.lr5500-cta{padding:52px 0 26px}.lr5500-cta-inner{gap:28px;padding:0 0 28px}.lr5500-portal{margin-top:0;padding:0 0 52px}.lr5500-portal-inner{gap:20px;padding:28px 0 0}.lr5500-portal-button{width:100%}}\n<\/style>\n<main class=\"lr5500-page\">\n<section class=\"lr5500-hero\"><div class=\"lr5500-wrap lr5500-hero-grid\"><div><span class=\"lr5500-eyebrow\">OPENING SYSTEMS<\/span><h1><span class=\"lr5500-title-code\">LR5500D-FR<\/span><span class=\"lr5500-title-name\">Fire Resistant Door System<\/span><\/h1><p class=\"lr5500-hero-description\">A thermally broken aluminium door system developed for projects where fire safety is a priority.<\/p><ul class=\"lr5500-benefits\"><li>EI90 fire resistance performance<\/li><li>77 mm frame and sash depth<\/li><li>10\u201359 mm glass thickness<\/li><\/ul><div class=\"lr5500-actions\"><a class=\"lr5500-btn lr5500-btn-primary\" href=\"#technical-details\">Technical Specifications<\/a><a class=\"lr5500-btn lr5500-btn-outline\" href=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/10\/LR5500D-FR-FIRE-RESISTANT-DOOR-SYSTEM.pdf\" target=\"_blank\" rel=\"noopener\">Download Brochure<\/a><\/div><\/div><div><div class=\"lr5500-hero-media\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/10\/5500-mekan-scaled.png\" alt=\"LR5500D-FR fire resistant door system in a hospital application\"><\/div><div class=\"lr5500-hero-brand\"><div class=\"lr5500-brand-badge\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/07\/lrserieslogo.png\" alt=\"Linea Rossa LR Series\"><\/div><\/div><\/div><\/div><\/section>\n<section class=\"lr5500-metrics\"><div class=\"lr5500-wrap lr5500-metrics-grid\"><div class=\"lr5500-metric\"><div class=\"lr5500-metric-icon\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/wp-content\/uploads\/2026\/10\/ei90_.png\" alt=\"EI90\"><\/div><div><strong>EI90<\/strong><span>High Fire Resistance<\/span><\/div><\/div><div class=\"lr5500-metric\"><div class=\"lr5500-metric-icon\"><svg viewBox=\"0 0 48 48\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\"><path d=\"M8 10h10v28H8zM30 10h10v28H30z\"><\/path><path d=\"M18 16c4 0 5-4 9-4M18 24c4 0 5-4 9-4M18 32c4 0 5-4 9-4\"><\/path><\/svg><\/div><div><strong>34 mm<\/strong><span>Thermal Break Width<\/span><\/div><\/div><div class=\"lr5500-metric\"><div class=\"lr5500-metric-icon\"><svg viewBox=\"0 0 48 48\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\"><path d=\"M24 5 39 11v11c0 10-6 17-15 21C15 39 9 32 9 22V11l15-6Z\"><\/path><rect x=\"18\" y=\"20\" width=\"12\" height=\"10\" rx=\"2\"><\/rect><path d=\"M21 20v-3a3 3 0 0 1 6 0v3\"><\/path><\/svg><\/div><div><strong>Maximum<\/strong><span>Security<\/span><\/div><\/div><div class=\"lr5500-metric\"><div class=\"lr5500-metric-icon\"><svg viewBox=\"0 0 48 48\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.7\"><path d=\"M9 7h25v34H9z\"><\/path><path d=\"m34 10 6 4v27h-6M28 24h1\"><\/path><path d=\"M14 12h14v24H14z\"><\/path><\/svg><\/div><div><strong>Heavy-Duty<\/strong><span>Suitable for Use<\/span><\/div><\/div><\/div><\/section>\n<section class=\"lr5500-section lr5500-features\"><div class=\"lr5500-wrap\"><header class=\"lr5500-section-title\"><h2>Fire Safety. Architectural Integrity.<\/h2><p>High fire resistance, a robust profile structure and hardware suitable for heavy-duty use come together in a secure door solution aligned with contemporary architecture.<\/p><\/header><div class=\"lr5500-feature-grid\"><article class=\"lr5500-feature-card\"><span class=\"lr5500-feature-number\">01<\/span><h3>Fire Protection<\/h3><p>With the specified components and correct application conditions, the system supports fire integrity and thermal insulation for 90 minutes.<\/p><\/article><article class=\"lr5500-feature-card\"><span class=\"lr5500-feature-number\">02<\/span><h3>Durable Profile Structure<\/h3><p>Its durable, long-lasting aluminium profile structure provides reliable performance in high-security projects.<\/p><\/article><article class=\"lr5500-feature-card\"><span class=\"lr5500-feature-number\">03<\/span><h3>Thermally Broken Design<\/h3><p>A 34 mm thermal break and fire-resistant glass options contribute to the system\u2019s overall performance.<\/p><\/article><article class=\"lr5500-feature-card\"><span class=\"lr5500-feature-number\">04<\/span><h3>Suitable for Heavy-Duty Use<\/h3><p>A precision-engineered hinge mechanism and door hardware suitable for heavy-duty use ensure controlled and reliable operation.<\/p><\/article><\/div><\/div><\/section>\n<section class=\"lr5500-fire\"><div class=\"lr5500-wrap lr5500-fire-grid\"><div class=\"lr5500-fire-badge\"><span>FIRE RESISTANCE CLASS<\/span><strong>EI90<\/strong><small>90 minutes<\/small><\/div><div class=\"lr5500-fire-copy\"><span class=\"lr5500-eyebrow\">FIRE INTEGRITY AND THERMAL INSULATION<\/span><h2>A dedicated door solution for safety-critical buildings.<\/h2><p>LR5500D-FR offers a functional and aesthetically refined door solution for public buildings, hospitals, educational facilities, hotels, commercial buildings and similar projects requiring a high level of security.<\/p><span class=\"lr5500-fire-note\">EI90 performance depends on the system being installed with the specified components, approved glass combinations and under the correct application conditions.<\/span><\/div><\/div><\/section>\n<section id=\"technical-details\" class=\"lr5500-section\"><div class=\"lr5500-wrap\"><header class=\"lr5500-section-title\"><h2>LR5500D-FR Technical Details<\/h2><p>Click the images to view the horizontal and vertical system sections in full size.<\/p><\/header><div class=\"lr5500-tech-grid\"><div class=\"lr5500-tech-visuals\"><figure><a class=\"lr5500-zoom-link\" href=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/10\/5500-yatay-rev1-final-3-sn-scaled.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/10\/5500-yatay-rev1-final-3-sn-scaled.png\" alt=\"LR5500D-FR horizontal profile section\"><\/a><\/figure><figure><a class=\"lr5500-zoom-link\" href=\"https:\/\/www.linearossa.eu\/wp-content\/uploads\/2026\/10\/5500-dikey-rev-3-n.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/wp-content\/uploads\/2026\/10\/5500-dikey-rev-3-n.png\" alt=\"LR5500D-FR vertical profile section\"><\/a><\/figure><\/div><div class=\"lr5500-tech-card\"><h3>TECHNICAL SPECIFICATIONS<\/h3><ul class=\"lr5500-spec-list\"><li><span>Frame Depth<\/span><strong>77 mm<\/strong><\/li><li><span>Sash Depth<\/span><strong>77 mm<\/strong><\/li><li><span>Visible Sash Height<\/span><strong>70 mm<\/strong><\/li><li><span>Thermal Break Width<\/span><strong>34 mm<\/strong><\/li><li><span>Glass Thickness<\/span><strong>10\u201359 mm<\/strong><\/li><li><span>Fire Resistance Class<\/span><strong>EI90<\/strong><\/li><\/ul><p class=\"lr5500-tech-note\">Technical and fire performance values may vary according to dimensions, glass combinations, system components and application details. Contact our specialist team for project-specific solutions and compliance information.<\/p><\/div><\/div><\/div><\/section>\n<section class=\"lr5500-asos\"><div class=\"lr5500-wrap lr5500-asos-inner\"><div class=\"lr5500-asos-logo\"><img decoding=\"async\" src=\"https:\/\/www.linearossa.eu\/wp-content\/uploads\/2026\/10\/asosfire.svg\" alt=\"ASOSFIRE\"><\/div><div><span class=\"lr5500-asos-kicker\">IN COLLABORATION WITH ASOSFIRE<\/span><h2>Manufacturing and certification responsibility<\/h2><p><strong>Manufacturing and certification of the LR5500D-FR system are the responsibility of ASOSFIRE.<\/strong><\/p><p>Fire resistance performance must be evaluated within the scope of the system components, glass options, accessories and application conditions defined in the certification documents.<\/p><\/div><\/div><\/section>\n<section class=\"lr5500-cta\"><div class=\"lr5500-wrap lr5500-cta-inner\"><div><h2>Let\u2019s determine the right LR5500D-FR solution for your project together.<\/h2><p>Consult our specialist team for door dimensions, fire-resistant glass selection, hardware, hinges and application options.<\/p><\/div><div class=\"lr5500-cta-actions\"><a class=\"lr5500-btn lr5500-btn-primary\" href=\"https:\/\/www.linearossa.eu\/en\/contact-us\/\">Get Information<\/a><a class=\"lr5500-btn lr5500-btn-outline\" href=\"https:\/\/www.linearossa.eu\/en\/wp-content\/uploads\/2026\/10\/LR5500D-FR-FIRE-RESISTANT-DOOR-SYSTEM.pdf\" target=\"_blank\" rel=\"noopener\">Download Brochure<\/a><\/div><\/div><\/section>\n<section class=\"lr5500-portal\"><div class=\"lr5500-wrap lr5500-portal-inner\"><div class=\"lr5500-portal-icon\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.6\"><path d=\"M7 3.5h7l3 3V20.5H7z\"><\/path><path d=\"M14 3.5v3h3M9.5 11h5M9.5 14h5\"><\/path><path d=\"M5 6.5H4v15h11v-1\"><\/path><\/svg><\/div><div><span class=\"lr5500-portal-eyebrow\">FOR PROFESSIONALS<\/span><h2>Technical Documentation Portal<\/h2><p>Access system CAD files, detailed technical documentation and technical PDFs in one place with your approved account.<\/p><span class=\"lr5500-portal-note\">Portal access becomes available after your membership request has been approved by Linea Rossa.<\/span><\/div><a class=\"lr5500-portal-button\" href=\"https:\/\/www.linearossa.eu\/portal\/\">Login \/ Membership<\/a><\/div><\/section>\n<\/main>\t\t\t\t\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 LR5500D-FRFire Resistant Door System A thermally broken aluminium door system developed for projects where fire safety is a [&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-17900","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/pages\/17900","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=17900"}],"version-history":[{"count":7,"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/pages\/17900\/revisions"}],"predecessor-version":[{"id":17911,"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/pages\/17900\/revisions\/17911"}],"wp:attachment":[{"href":"https:\/\/www.linearossa.eu\/en\/wp-json\/wp\/v2\/media?parent=17900"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}