{"id":3192,"date":"2026-11-09T09:53:20","date_gmt":"2026-11-09T09:53:20","guid":{"rendered":"https:\/\/www.klas1.fi\/windows\/interior-partition-window\/"},"modified":"2026-11-09T09:53:43","modified_gmt":"2026-11-09T09:53:43","slug":"interior-partition-window","status":"publish","type":"page","link":"https:\/\/www.klas1.fi\/en\/windows\/interior-partition-window\/","title":{"rendered":"Interior Partition Window"},"content":{"rendered":"<section class=\"block block-hero has-description-default has-bg-image\">\r\n            <div class=\"hero-bg\" aria-hidden=\"true\">\r\n            <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero.jpg\" alt=\"Bright bedroom featuring a wooden interior partition window that offers views into the adjacen...\" width=\"2400\" height=\"930\" srcset=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-300x116.jpg 300w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-1024x397.jpg 1024w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-768x298.jpg 768w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-1536x595.jpg 1536w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-2048x794.jpg 2048w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-1920x744.jpg 1920w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-1400x543.jpg 1400w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-590x229.jpg 590w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-hero-632x245.jpg 632w\">        <\/div>\r\n        <div class=\"container\">\r\n        \r\n        <div class=\"hero-content-texts\">\r\n                            <h1 class=\"hero-title\">Interior Partition Window<\/h1>\r\n            \r\n                    <\/div>\r\n    <\/div>\r\n<\/section><section class=\"block block-text-image image-right image-fit-contain text-default\">\r\n    <div class=\"container\">\r\n        <div class=\"text-image-container\">\r\n            <div class=\"text-content reveal\">\r\n                                \n<div class=\"wp-block-wds-text-image\">\n<h2 class=\"wp-block-heading\">Fixed wooden interior partition window brings light from one space into another<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">An interior partition window is a fixed, single-glazed interior window that brings natural light between rooms and opens up views. The window is made entirely of wood: the frame features natural wood on both sides with no aluminum cladding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Glazing is always selected according to project specifications, such as safety glass or acoustic glass. The sound insulation rating of the interior partition window is tested with single glazing: 38 dB (Rw + Ctr). Available surface finishes include opaque paint or translucent stain, leaving only two surfaces to clean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When fire compartmentalization is required, the interior partition window is also available with an EI15 fire rating. <a href=\"https:\/\/www.klas1.fi\/en\/contact-information\/\">Inquire about interior partition windows<\/a><\/p>\n<\/div>\n            <\/div>\r\n\r\n                            <div class=\"image-content reveal\">\r\n                    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-590x393.png\" alt=\"Vertical and horizontal cross-sections of interior partition window MEKS 1K 92 EI20 FIRE: wood...\" width=\"1800\" height=\"1200\" srcset=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-300x200.png 300w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-1024x683.png 1024w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-768x512.png 768w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-1536x1024.png 1536w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-890x593.png 890w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-590x393.png 590w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-632x421.png 632w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1-367x245.png 367w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/11\/klas1-valiseinaikkuna-leikkauskuva-1.png 1800w\">                <\/div>\r\n                    <\/div>\r\n    <\/div>\r\n<\/section>\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\"><section class=\"block block-faq\">\r\n    <div class=\"container\">\r\n                    <h2 class=\"block-faq__title\">Technical Specifications and Colors<\/h2>\r\n        \r\n        <div class=\"block-faq__items\">\r\n            \n<div class=\"wp-block-wds-faq\"><div class=\"accordion accordion-sections block-faq-item\">\r\n    <div class=\"accordion-section\">\r\n        <div class=\"accordion-item\">\r\n            <h3 class=\"h5 accordion-header\" id=\"heading-faq-6af1f4a8eec3d\">\r\n                <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\"\r\n                    data-bs-target=\"#collapse-faq-6af1f4a8eec3d\" aria-expanded=\"false\"\r\n                    aria-controls=\"collapse-faq-6af1f4a8eec3d\">\r\n                    Interior Partition Window Structural Specifications                <\/button>\r\n            <\/h3>\r\n            <div id=\"collapse-faq-6af1f4a8eec3d\" class=\"accordion-collapse collapse\"\r\n                aria-labelledby=\"heading-faq-6af1f4a8eec3d\">\r\n                <div class=\"accordion-body\">\r\n                    <div class=\"accordion-body-container\">\r\n                        \n<div class=\"wp-block-wds-faq-item\">\n<ul class=\"wp-block-list\">\n<li>Fixed interior partition window with single glazing<\/li>\n\n\n\n<li>Daylight opening 43 mm from frame edge, or 50 mm if integrated into a ribbon with fire windows<\/li>\n\n\n\n<li>Glazing customized per project (safety and acoustic glazing)<\/li>\n\n\n\n<li>Acoustic performance: tested single glazing, 38 dB (Rw + Ctr)<\/li>\n\n\n\n<li>Surface finish: opaque painted or translucent stained<\/li>\n\n\n\n<li>Only 2 cleanable surfaces<\/li>\n<\/ul>\n<\/div>\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\n\n<div class=\"accordion accordion-sections block-faq-item\">\r\n    <div class=\"accordion-section\">\r\n        <div class=\"accordion-item\">\r\n            <h3 class=\"h5 accordion-header\" id=\"heading-faq-6af1f4a8eee63\">\r\n                <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\"\r\n                    data-bs-target=\"#collapse-faq-6af1f4a8eee63\" aria-expanded=\"false\"\r\n                    aria-controls=\"collapse-faq-6af1f4a8eee63\">\r\n                    EI15 Interior Partition Window Structural Specifications                <\/button>\r\n            <\/h3>\r\n            <div id=\"collapse-faq-6af1f4a8eee63\" class=\"accordion-collapse collapse\"\r\n                aria-labelledby=\"heading-faq-6af1f4a8eee63\">\r\n                <div class=\"accordion-body\">\r\n                    <div class=\"accordion-body-container\">\r\n                        \n<div class=\"wp-block-wds-faq-item\">\n<ul class=\"wp-block-list\">\n<li>Fixed EI15 fire-rated window with single glazing<\/li>\n\n\n\n<li>Maximum size 1540 \u00d7 2750 mm or 2750 \u00d7 1540 mm; maximum area 4.235 m\u00b2<\/li>\n\n\n\n<li>Daylight opening 50 mm from frame edge<\/li>\n\n\n\n<li>Surface finish: opaque painted or translucent stained<\/li>\n\n\n\n<li>Only 2 cleanable surfaces<\/li>\n\n\n\n<li>Type approval certificate no. 15291-02fi<\/li>\n<\/ul>\n<\/div>\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\n\n<div class=\"accordion accordion-sections block-faq-item\">\r\n    <div class=\"accordion-section\">\r\n        <div class=\"accordion-item\">\r\n            <h3 class=\"h5 accordion-header\" id=\"heading-faq-6af1f4a9013b4\">\r\n                <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\"\r\n                    data-bs-target=\"#collapse-faq-6af1f4a9013b4\" aria-expanded=\"false\"\r\n                    aria-controls=\"collapse-faq-6af1f4a9013b4\">\r\n                    Standard Colors for Wooden Parts                <\/button>\r\n            <\/h3>\r\n            <div id=\"collapse-faq-6af1f4a9013b4\" class=\"accordion-collapse collapse\"\r\n                aria-labelledby=\"heading-faq-6af1f4a9013b4\">\r\n                <div class=\"accordion-body\">\r\n                    <div class=\"accordion-body-container\">\r\n                        \n<div class=\"wp-block-wds-faq-item\">\n<div class=\"wp-block-columns is-layout-flex wp-block-columns-is-layout-flex wp-container-core-columns-is-layout-8f761849\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/valkoinen-150x150.png\" alt=\"\" class=\"wp-image-2689\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">NCS S 0502-Y<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_7024-954bef21-2-150x150.webp\" srcset=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_7024-954bef21-2-150x150.webp 150w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_7024-954bef21-2-300x300.webp 300w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_7024-954bef21-2.webp 380w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" alt=\"\" class=\"wp-image-2690\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">RAL 7024<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_9005-5b6cfbee-2-150x150.webp\" srcset=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_9005-5b6cfbee-2-150x150.webp 150w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_9005-5b6cfbee-2-300x300.webp 300w, https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/tikkurila_ral_9005-5b6cfbee-2.webp 380w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" alt=\"\" class=\"wp-image-2691\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">RAL 9005<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/TM-1801-150x150.png\" alt=\"\" class=\"wp-image-2692\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TM 1801<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-block-columns-is-layout-flex wp-container-core-columns-is-layout-8f761849\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/TM-1802-150x150.png\" alt=\"\" class=\"wp-image-2693\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TM 1802<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/TM-1804-150x150.png\" alt=\"\" class=\"wp-image-2694\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TM 1804<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/TM-1806-150x150.png\" alt=\"\" class=\"wp-image-2695\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TM 1806<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.klas1.fi\/wp-content\/uploads\/2026\/06\/kuultovalkoinen-1-150x150.png\" alt=\"\" class=\"wp-image-2696\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">TM-5715<\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Special colors from the <a class=\"c-link\" href=\"https:\/\/www.tikkurila.fi\/ammattilaiset\/varit\/varikartat_sisamaalaukseen\/ral-varikartat\/ral_classic_-varikartta\" target=\"_blank\" rel=\"noopener noreferrer\" data-stringify-link=\"https:\/\/www.tikkurila.fi\/ammattilaiset\/varit\/varikartat_sisamaalaukseen\/ral-varikartat\/ral_classic_-varikartta\" data-sk=\"tooltip_parent\">RAL color chart<\/a>, <a href=\"https:\/\/www.teknos.com\/fi-FI\/ammattilaisille\/varit\/sisavarit\/\" target=\"_blank\" rel=\"noopener\">opaque interior colors<\/a>, or <a href=\"https:\/\/www.teknos.com\/fi-FI\/kuluttajat-ja-ammattilaiset\/varit\/kaikki-kuultavat-varit\/\" target=\"_blank\" rel=\"noopener\">translucent stains.<\/a> The colors shown above are for reference only.<\/p>\n<\/div>\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\n\n<div class=\"accordion accordion-sections block-faq-item\">\r\n    <div class=\"accordion-section\">\r\n        <div class=\"accordion-item\">\r\n            <h3 class=\"h5 accordion-header\" id=\"heading-faq-6af1f4a901467\">\r\n                <button class=\"accordion-button collapsed\" type=\"button\" data-bs-toggle=\"collapse\"\r\n                    data-bs-target=\"#collapse-faq-6af1f4a901467\" aria-expanded=\"false\"\r\n                    aria-controls=\"collapse-faq-6af1f4a901467\">\r\n                    Teknos Tape Recommendation                <\/button>\r\n            <\/h3>\r\n            <div id=\"collapse-faq-6af1f4a901467\" class=\"accordion-collapse collapse\"\r\n                aria-labelledby=\"heading-faq-6af1f4a901467\">\r\n                <div class=\"accordion-body\">\r\n                    <div class=\"accordion-body-container\">\r\n                        \n<div class=\"wp-block-wds-faq-item\">\n<p class=\"wp-block-paragraph\">Download tape recommendations <a href=\"https:\/\/klas1.fi\/wp-content\/uploads\/2026\/06\/d-teippisuositus-2017.pdf\" target=\"_blank\" rel=\"noopener\">here<\/a>.<\/p>\n<\/div>\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div><\/div>\n        <\/div>\r\n    <\/div>\r\n<\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":0,"parent":3040,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3192","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/pages\/3192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/comments?post=3192"}],"version-history":[{"count":1,"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/pages\/3192\/revisions"}],"predecessor-version":[{"id":3197,"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/pages\/3192\/revisions\/3197"}],"up":[{"embeddable":true,"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/pages\/3040"}],"wp:attachment":[{"href":"https:\/\/www.klas1.fi\/en\/wp-json\/wp\/v2\/media?parent=3192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}