{"id":36653,"date":"2026-02-06T10:25:47","date_gmt":"2026-02-06T10:25:47","guid":{"rendered":"https:\/\/cortartec.net\/produto\/grelha-corta-fogo\/"},"modified":"2026-05-13T08:25:16","modified_gmt":"2026-05-13T08:25:16","slug":"firebreak-grill","status":"publish","type":"product","link":"https:\/\/cortartec.net\/en\/produto\/firebreak-grill\/","title":{"rendered":"Firebreak grill"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221; woodmart_inline=&#8221;no&#8221; text_larger=&#8221;no&#8221;]<\/p>\n<ul>\n<li>Fire resistance: 60, 120, and 240 minutes<\/li>\n<li>Airflow up to 80%<\/li>\n<li>Maximum dimensions:<br \/>\n\u2022 \u2013 Single round grille \u2013 \u00d8 400 [mm];<br \/>\n\u2022 \u2013 Single rectangular grille \u2013 600\u00d7600 [mm]<br \/>\n\u2022 Non-standard sizes<\/li>\n<\/ul>\n<p>COR CFR GRILLE ventilation grilles are made of a material that expands when exposed to temperatures above 140 \u00b0C. Intumescent inserts seal the ventilation openings during a fire, preventing the spread of flames and smoke<\/p>\n<h3><strong>APPLICATION:<\/strong><\/h3>\n<p>COR CFR grilles are installed in ventilation openings in walls and floors. The material\u2019s expansion during a fire completely fills the opening, preventing flames and smoke from entering adjacent rooms.<\/p>\n<h3><strong>Solid walls:<\/strong><\/h3>\n<p>The wall must be at least 150 mm thick and have a concrete structure, cellular concrete structure, or masonry structure, with a minimum density of 600 kg\/m\u00b3<\/p>\n<h3><strong>Rigid floors:<\/strong><\/h3>\n<p>The floor must be at least 150 mm thick and have a concrete structure, cellular concrete structure, or masonry structure, with a minimum density of 1700 kg\/m\u00b3[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;36863&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;&#8221; parallax_scroll=&#8221;no&#8221; woodmart_inline=&#8221;no&#8221;]\t\t<div id=\"wd-6985c39b754a5\" class=\"wd-text-block wd-wpb reset-last-child wd-rs-6985c39b754a5 text-left \">\r\n\t\t\t<h2 style=\"text-align: center;\">Conector T<\/h2>\n\t\t<\/div>\r\n\t\t[\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;36864&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;&#8221; parallax_scroll=&#8221;no&#8221; woodmart_inline=&#8221;no&#8221;]\t\t<div id=\"wd-6985c3a888c31\" class=\"wd-text-block wd-wpb reset-last-child wd-rs-6985c3a888c31 text-left \">\r\n\t\t\t<h2 style=\"text-align: center;\">Conector X<\/h2>\n\t\t<\/div>\r\n\t\t[\/vc_column][\/vc_row][vc_row][vc_column]\t\t<div id=\"wd-6a035896221e1\" class=\"wd-text-block wd-wpb reset-last-child wd-rs-6a035896221e1 text-left \">\r\n\t\t\t<h3><strong>Installation method:<\/strong><\/h3>\n<p>Model T and Model X connectors are used to connect COR FR GRILLE intumescent rectangular ventilation grilles to one another. The connectors must be secured to the metal enclosure using rivets or steel sheet brackets.<\/p>\n\t\t<\/div>\r\n\t\t[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p><span style=\"color: #e46106;\"><strong><a style=\"color: #e46106;\" href=\"https:\/\/cortartec.net\/wp-content\/uploads\/2021\/07\/cortartec-intu_cfr_grelha-ficha-tecnica.pdf\" target=\u201c_blank\u201d rel=\"noopener\">Technical Data Sheet<\/a><\/strong><\/span><br \/>\n<span style=\"color: #e46106;\"><strong><a style=\"color: #e46106;\" href=\"\"#>DWG<\/a><\/strong><\/span><\/p>\n","protected":false},"featured_media":36654,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[333],"product_tag":[],"class_list":["post-36653","product","type-product","status-publish","has-post-thumbnail","product_cat-firebreak","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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