{"id":18111,"date":"2018-03-08T23:08:58","date_gmt":"2018-03-08T21:08:58","guid":{"rendered":"https:\/\/mcrtecresa.com\/tecbor-boards\/conductos-de-ventilacion-y-extraccion-de-humos"},"modified":"2026-06-01T13:48:19","modified_gmt":"2026-06-01T11:48:19","slug":"ventilation-and-smoke-extraction-ducts","status":"publish","type":"page","link":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts","title":{"rendered":"Tecbor\u00ae Boards- Ventilation &#038; Smoke Extraction Ducts"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<pre><code class=\"html hljs xml\"><span><span><a href=\"https:\/\/mcrtecresa.com\/en\">mcr tecresa\u00ae<\/a><\/span><\/span><\/code><\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-2 mgt-header-texttransform-none  vc_custom_1528107369173\"><h2 class=\"mgt-header-block-title\">Tecbor\u00ae Boards - Constructive Solutions<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_row_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Steel work protection&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Fsteelwork-protection|||&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Reinforced concrete protection&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Freinforced-concrete-protection|||&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Ventilation &amp; Smoke extraction ducts&#8221; style=&#8221;custom&#8221; custom_background=&#8221;#e42413&#8243; custom_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:%23|||&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Cable tray protection&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Fcable-tray-protection|||&#8221;][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Non structural elements &#8211; Walls&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Fnon-structural-elements-walls|||&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Suspended Ceilings and Slabs Protection&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Fsuspended-ceiling-and-slabs-protection&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Curtain wall&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Fcurtain-walls|||&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Tunnel Protection&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Ftunnel-protection|||&#8221;][\/vc_column_inner][\/vc_row_inner][vc_empty_space height=&#8221;10px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;60px&#8221;]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-none  vc_custom_1554991424974\"><h1 class=\"mgt-header-block-title\">Tecbor\u00ae Boards - Ventilation &amp; smoke extraction ducts<\/h1><div class=\"mgt-header-line\"><\/div><\/div>[vc_row_inner equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221;][vc_column_inner][vc_column_text]<\/p>\n<div style=\"text-align: justify;\">Tested under <strong>UNE EN 1366-1<\/strong> standard. Fire resistance tests in service facilities. Part 1. Ducts. Classification according to <strong>UNE EN 13501-3<\/strong>: EI- 120 (ve, ho i\u2194o) S (Type A and B horizontal and vertical configuration).<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<div style=\"text-align: justify;\">Tested under <strong>UNE EN 1366-8<\/strong> standard. Fire resistance tests in service facilities. Part 18. Smoke extraction ducts (multi compartment) classification according to <strong>UNE EN 13501-4<\/strong>: EI-120 S 1500 (Type C).<\/div>\n<div style=\"text-align: justify;\"><\/div>\n<p style=\"font-size: 16px; text-align: justify;\">The regulatory requirements demand the compartment of elements when traversed by installations, such as pipes or extraction and ventilation ducts.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"alignright wp-image-5843\" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2018\/03\/Video_10-0-00-42-02.png\" alt=\"\" width=\"512\" height=\"288\" \/><\/p>\n<div style=\"text-align: justify;\">The Technical Building Code states in its Basis Document in case of fire SI 1, Interior Propagation, Section 3, Point 3:<\/div>\n<ul style=\"text-align: justify;\">\n<li style=\"text-align: justify;\">Fire resistance required to the fire compartment elements must be kept on the points where such elements are traversed by installation materials, such as cables, pipes, ducts, ventilation ducts, etc. To that end, a choice can be made between the following alternatives:\n<ul>\n<li style=\"text-align: justify;\">Put an element which, in case of a fire, automatically blocks the cross section and guarantees in such point a fire resistance at least equal to that of the traversed element, for example, an automatic firewall dumper. The t (i\u2194o) being the fire resistance time required to the traversed compartment element, or a blocking intumescent device.<\/li>\n<li>Crossing elements which provide a resistance at least equal to that of the traversed element, for example, EI ventilation ducts t (i\u2194o)<br \/>\nbeing t the fire resistance time required to the traversed compartment element<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">From the previous paragraph follows that the fire resistant ducts which pass through fire compartments must have the compartments from within and from the outside to it.<\/p>\n<p style=\"text-align: justify;\">RSCIEI describes in its annex II Article 5.7:<\/p>\n<blockquote>\n<p style=\"text-align: justify;\">\u201cSystems including ducts, both verticals and horizontal, which traverse compartment elements and whose function doesn\u2019t allow the use of dampers (smoke exhaust, ventilation of evacuation routes, etc.), must be fire resistant or adequately protected throughout its route with the same level of fire resistance than the traversed elements, and tested according to the applicable UNE-EN<br \/>\nstandards\u201d.<\/p>\n<\/blockquote>\n<p>UNE EN applicable standards, as they appear in Annex DB SI G of the TBC are:<\/p>\n<ul>\n<li>UNE EN 1366 Part 1 for ventilation ducts.<\/li>\n<li>UNE EN 1366 Part 8 for multi-sector extraction ducts.<\/li>\n<\/ul>\n<div style=\"text-align: justify;\"><\/div>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221;][vc_column][vc_empty_space height=&#8221;60px&#8221;][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221;][vc_column][vc_tta_accordion active_section=&#8221;1&#8243; collapsible_all=&#8221;true&#8221;][vc_tta_section title=&#8221;Ventilation Duct Type A,B &amp; C. Tecbor\u00ae 30 EI-120&#8243; tab_id=&#8221;ventilation-and-smoke-extraction-ducts&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/6&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;4\/6&#8243;][vc_raw_html css=&#8221;&#8221;]JTNDY2VudGVyJTNFJTNDaWZyYW1lJTIwd2lkdGglM0QlMjI4MTAlMjIlMjBoZWlnaHQlM0QlMjI0NTYlMjIlMjBzcmMlM0QlMjJodHRwcyUzQSUyRiUyRnd3dy55b3V0dWJlLmNvbSUyRmVtYmVkJTJGQTFLZ004ejhyeE0lM0ZyZWwlM0QwJTI2bXV0ZSUzRDElMjIlMjBmcmFtZWJvcmRlciUzRCUyMjAlMjIlMjBlbmNyeXB0ZWQtbWVkaWElMjIlMjBhbGxvd2Z1bGxzY3JlZW4lM0UlM0MlMkZpZnJhbWUlM0UlM0MlMkZjZW50ZXIlM0U=[\/vc_raw_html][\/vc_column_inner][vc_column_inner width=&#8221;1\/6&#8243;][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;33525&#8243; img_size=&#8221;large&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><strong><span style=\"color: #666666;\">TEST<\/span><\/strong><\/p>\n<hr \/>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><b>Standard<\/b> : UNE EN 1366-1<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><b>Laboratory<\/b>\u00a0:TECNALIA<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><b>Test N\u00ba: <\/b>14_07739, 15_08681, 14_07738<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><b>Standard: <\/b> UNE EN 1366-1; EN 1366-8<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><b>Laboratory:\u00a0<\/b>APPLUS<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><b>Test N\u00ba: <\/b>14\/8785-1293 and 14\/8785-1237<\/span><\/td>\n<td style=\"width: 50%;\"><strong><span style=\"color: #666666;\">SOLUTION<\/span><\/strong><\/p>\n<hr \/>\n<p><strong><span style=\"color: #ff0000;\">1.<\/span><\/strong>\u00a0Tecbor\u00ae 30 mm. boards.<br \/>\n<span style=\"color: #ff0000;\"><strong>2.<\/strong><\/span> Tecbor\u00ae 30 mm plate to cover joints.<br \/>\n<span style=\"color: #ff0000;\"><strong>3.<\/strong><\/span> Tecbor\u00ae 30 mm perimeter ring.<br \/>\n<span style=\"color: #ff0000;\"><strong>4.<\/strong><\/span> M16 threaded rod.<br \/>\n<span style=\"color: #ff0000;\"><strong>5.<\/strong><\/span> 50 x 50 x 5 mm angle bracket.<br \/>\n<span style=\"color: #ff0000;\"><strong>6.<\/strong><\/span> 5 x 60 mm wood threaded screws.<br \/>\n<span style=\"color: #ff0000;\"><strong>7.<\/strong><\/span> 6 x 80 mm metal anchors.<br \/>\n<span style=\"color: #ff0000;\"><strong>8.<\/strong><\/span> Rock wool 50 mm thick and 145 Kg\/m<sup>3.<\/sup><br \/>\n<span style=\"color: #ff0000;\"><strong>9.<\/strong><\/span> <strong>Tecsel\u00ae<\/strong> adhesive.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-none \"><h2 class=\"mgt-header-block-title\">Description of Assembly<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_column_text css=&#8221;&#8221;]<\/p>\n<p style=\"text-align: justify;\"><strong>Duct composition:<\/strong><\/p>\n<p style=\"text-align: justify;\">Duct consisting of <strong>Tecbor\u00ae boards<\/strong> 30 mm thick.<\/p>\n<p style=\"text-align: justify;\"><strong>Fixings between sections:<\/strong><\/p>\n<p style=\"text-align: justify;\">Longitudinally, the boards are joined with <strong>Tecsel\u00ae adhesive<\/strong>.<\/p>\n<p style=\"text-align: justify;\">Laterally, the duct sections are joined with perimeter joint covers formed by <strong>Tecbor\u00ae boards<\/strong>\u00a0 30 mm thick and 250 mm wide.<\/p>\n<p style=\"text-align: justify;\">The joint covers are fixed to the section by means of 2 rows of 5 x 60 mm wood threaded screws, screwed every 250 mm along the long sides and 200 mm on the short sides.\u00a0 The rows are spaced 160 mm apart.<\/p>\n<p style=\"text-align: justify;\"><strong>Method of duct support:<\/strong><\/p>\n<p style=\"text-align: justify;\">The duct is supported by an auxiliary structure made up of M16 threaded rods and 50 mm x 50 mm and 5 mm thick L-shaped upon which the duct rests. Maximum distance between the hangs will be 1200 mm.<\/p>\n<p style=\"text-align: justify;\">Sealing of the penetration point through the support work. Sealing will be carried out with the following elements:<\/p>\n<ul>\n<li style=\"text-align: justify;\">Tecbor\u00ae boards 30 mm thick.<\/li>\n<li style=\"text-align: justify;\">Rock wool 50 mm thick and density 145 Kg\/m3.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_single_image image=&#8221;68293&#8243; img_size=&#8221;400&#215;400&#8243; css=&#8221;&#8221;][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner][vc_empty_space][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-none \"><h2 class=\"mgt-header-block-title\">Product document<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_raw_html css=&#8221;&#8221;]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[\/vc_raw_html][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_raw_html css=&#8221;&#8221;]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[\/vc_raw_html][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section title=&#8221;Ventilation Duct Type A &amp; B. Tecbor\u00ae 30+20 EI-180&#8243; tab_id=&#8221;ventilation-duct-type-ab-tecbor-30-20-ei180&#8243;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;68286&#8243; img_size=&#8221;large&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><strong><span style=\"color: #666666;\">TEST<\/span><\/strong><\/p>\n<hr \/>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><b>Standard<\/b> : UNE EN 1366-1<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><b>Laboratory<\/b> : CIDEMCO<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\"><b>Test N\u00ba: <\/b>20529, 19967, 20330-a-M1 and 19966-1\/-2-a-M1.<\/span><\/td>\n<td style=\"width: 50%;\"><strong><span style=\"color: #666666;\">SOLUTION<\/span><\/strong><\/p>\n<hr \/>\n<p><strong><span style=\"color: #ff0000;\">1.<\/span><\/strong>\u00a0Tecbor\u00ae 30 mm. boards.<br \/>\n<span style=\"color: #ff0000;\"><strong>2.<\/strong><\/span> Tecbor\u00ae 20 mm boards.<br \/>\n<span style=\"color: #ff0000;\"><strong>3.<\/strong><\/span> 3,9 x 45 mm self-tapping screw.<br \/>\n<span style=\"color: #ff0000;\"><strong>4.<\/strong><\/span> 3,9 x 35 mm self-tapping screw.<br \/>\n<span style=\"color: #ff0000;\"><strong>5.<\/strong><\/span> 50 x 50 x 5 mm angle bracket.<br \/>\n<span style=\"color: #ff0000;\"><strong>6.<\/strong><\/span> Rock-wool (50 mm thick and 145 Kg\/m3 dense).<br \/>\n<span style=\"color: #ff0000;\"><strong>7.<\/strong><\/span> 2 x 20 mm <strong>Tecbor Board<\/strong> joint covers.<br \/>\n<span style=\"color: #ff0000;\"><strong>8.<\/strong><\/span> <strong>Tecbor\u00ae Joint Paste Ready to use<\/strong><span style=\"font-size: 13.3333px;\">.<\/span><br \/>\n<span style=\"color: #ff0000;\"><strong>9.<\/strong><\/span> 10 x 100 mm metal plug.<br \/>\n<span style=\"color: #ff0000;\"><strong>10.<\/strong><\/span> Manufactured structure<span style=\"font-size: 13.3333px;\">.<\/span><br \/>\n<span style=\"color: #ff0000;\"><strong>9.<\/strong><\/span> M6 rod.<\/p>\n<p>10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/2&#8243;]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-none \"><h2 class=\"mgt-header-block-title\">Description of Assembly<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_column_text css=&#8221;&#8221;]The duct is made of a layer of 30 mm <strong>Tecbor\u00ae<\/strong> and another layer of 20 mm <strong>Tecbor\u00ae<\/strong>.<br \/>\nThe first layer of boards are joined using 3.9 x 45 mm self-tapping screws.<br \/>\nThe 20 mm board is joined to the first layer using 3.9 x 35 mm screws.<br \/>\nThe joint between duct sections is made by covering the joint with Tecbor\u00ae 20+20 mm joint covers, 250-300 mm wide, fixed to the duct by means of 3.9 x 45 mm self-tapping screws every 250 mm.<br \/>\nThe duct is supported on 50 x 50 x 5 mm horizontal angles and suspended from the slab by means of the M16 rod, grommet and nut assembly. The<br \/>\nhangings are spaced 1 m apart.<br \/>\nBoard joints, junctions and screw heads must be applied with <strong>Tecbor\u00ae Joint Paste Ready to Use<\/strong>.<br \/>\nCompartment penetration:<br \/>\nThe space between the duct and the supporting structure is filled with 145 kg\/m\u00b3 rock-wool, then Tecbor\u00ae 30+20 mm Board strips, about 250 mm<br \/>\nwide, are placed around the duct and anchored to the supporting structure using 10 x 100 mm plugs on both sides.<br \/>\nThen we create a ring surrounding the duct with 250 mm strips attached using 3.9 x 45 mm selftapping screws.<br \/>\nFor more information, see the installation manual.[\/vc_column_text][vc_single_image image=&#8221;68298&#8243; img_size=&#8221;400&#215;400&#8243; css=&#8221;&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][\/vc_tta_accordion][vc_row_inner][vc_column_inner][vc_empty_space][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner]<div class=\"mgt-header-block clearfix text-left text-black wpb_animate_when_almost_visible wpb_top-to-bottom wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-none \"><h2 class=\"mgt-header-block-title\">Product document<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_raw_html css=&#8221;&#8221;]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[\/vc_raw_html][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221;][vc_column][vc_empty_space height=&#8221;30px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;40px&#8221;]<style scoped='scoped'>.mgt-promo-block-79292048663.mgt-promo-block.darken .mgt-promo-block-content {background-color: rgba(10,10,10,0.63)!important;}.mgt-promo-block-79292048663.mgt-promo-block.animated:hover .mgt-promo-block-content {background-color: rgba(68,0,0,0.61)!important;}<\/style><div class=\"mgt-promo-block animated white-text cover-image text-size-normal darken mgt-promo-block-79292048663 wpb_content_element wpb_animate_when_almost_visible wpb_left-to-right\" data-style=\"background-color: #bababa;width: 100%; height: 200px;\"><div class=\"mgt-promo-block-content\"><div class=\"mgt-promo-block-content-inside vc_custom_1528110163069\">\n<h2>Do you have any questions about the product?<\/h2>\n<div class=\"mgt-button-wrapper mgt-button-wrapper-align-left mgt-button-wrapper-display-newline mgt-button-top-margin-enable\"><a class=\"btn hvr-icon-wobble-horizontal mgt-button mgt-style-solid-invert mgt-size-normal mgt-align-left mgt-display-newline mgt-text-size-small mgt-button-icon-position-right mgt-text-transform-uppercase \" href=\"https:\/\/mcrtecresa.com\/en\/contact-us\">Contact Us<i class=\"fa fa-arrow-right\"><\/i><\/a><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_row_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Steel work protection&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Fsteelwork-protection|||&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Reinforced concrete protection&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#000000&#8243; outline_custom_hover_background=&#8221;#666666&#8243; outline_custom_hover_text=&#8221;#ffffff&#8221; shape=&#8221;round&#8221; size=&#8221;sm&#8221; align=&#8221;center&#8221; button_block=&#8221;true&#8221; link=&#8221;url:https%3A%2F%2Fmcrtecresa.com%2Fen%2Ftecbor-boards%2Freinforced-concrete-protection|||&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Ventilation&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":14312,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-18111","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fire protection of ventilation ducts and extraction - Tecbor\u00ae boards.<\/title>\n<meta name=\"description\" content=\"Fire Protection of ventilation ducts and smoke extraction with TecBor\u00ae EI-120 \/ EI-180 minutes fireproof plate........ \u2705? \u2705\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fire protection of ventilation ducts and extraction - Tecbor\u00ae boards.\" \/>\n<meta property=\"og:description\" content=\"Fire Protection of ventilation ducts and smoke extraction with TecBor\u00ae EI-120 \/ EI-180 minutes fireproof plate........ \u2705? \u2705\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts\" \/>\n<meta property=\"og:site_name\" content=\"Mcr Tecresa\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-01T11:48:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2018\/03\/Video_10-0-00-42-02-e1562588839200.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts\",\"url\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts\",\"name\":\"Fire protection of ventilation ducts and extraction - Tecbor\u00ae boards.\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/mcrtecresa.com\\\/wp-content\\\/uploads\\\/2018\\\/03\\\/Video_10-0-00-42-02.png\",\"datePublished\":\"2018-03-08T21:08:58+00:00\",\"dateModified\":\"2026-06-01T11:48:19+00:00\",\"description\":\"Fire Protection of ventilation ducts and smoke extraction with TecBor\u00ae EI-120 \\\/ EI-180 minutes fireproof plate........ \u2705? \u2705\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts#primaryimage\",\"url\":\"https:\\\/\\\/mcrtecresa.com\\\/wp-content\\\/uploads\\\/2018\\\/03\\\/Video_10-0-00-42-02.png\",\"contentUrl\":\"https:\\\/\\\/mcrtecresa.com\\\/wp-content\\\/uploads\\\/2018\\\/03\\\/Video_10-0-00-42-02.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\\\/ventilation-and-smoke-extraction-ducts#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"mcr tecresa\u00ae\",\"item\":\"https:\\\/\\\/mcrtecresa.com\\\/en\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Tecbor\u00ae Boards\",\"item\":\"https:\\\/\\\/mcrtecresa.com\\\/en\\\/tecbor-boards\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Tecbor\u00ae Boards- Ventilation &#038; Smoke Extraction Ducts\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#website\",\"url\":\"https:\\\/\\\/mcrtecresa.com\\\/\",\"name\":\"Mcr Tecresa\",\"description\":\"Empresa l\u00edder en protecci\u00f3n pasiva contra incendios\",\"publisher\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#organization\"},\"alternateName\":\"Protecci\u00f3n Pasiva Contra Incendios\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/mcrtecresa.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#organization\",\"name\":\"Mcr Tecresa\",\"url\":\"https:\\\/\\\/mcrtecresa.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/mcrtecresa.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Logo-Original-1.png\",\"contentUrl\":\"https:\\\/\\\/mcrtecresa.com\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/Logo-Original-1.png\",\"width\":195,\"height\":46,\"caption\":\"Mcr Tecresa\"},\"image\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/company\\\/mcrtecresa\",\"https:\\\/\\\/www.youtube.com\\\/@Mcrtecresa\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Fire protection of ventilation ducts and extraction - Tecbor\u00ae boards.","description":"Fire Protection of ventilation ducts and smoke extraction with TecBor\u00ae EI-120 \/ EI-180 minutes fireproof plate........ \u2705? \u2705","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts","og_locale":"en_US","og_type":"article","og_title":"Fire protection of ventilation ducts and extraction - Tecbor\u00ae boards.","og_description":"Fire Protection of ventilation ducts and smoke extraction with TecBor\u00ae EI-120 \/ EI-180 minutes fireproof plate........ \u2705? \u2705","og_url":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts","og_site_name":"Mcr Tecresa","article_modified_time":"2026-06-01T11:48:19+00:00","og_image":[{"width":1280,"height":720,"url":"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2018\/03\/Video_10-0-00-42-02-e1562588839200.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts","url":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts","name":"Fire protection of ventilation ducts and extraction - Tecbor\u00ae boards.","isPartOf":{"@id":"https:\/\/mcrtecresa.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts#primaryimage"},"image":{"@id":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts#primaryimage"},"thumbnailUrl":"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2018\/03\/Video_10-0-00-42-02.png","datePublished":"2018-03-08T21:08:58+00:00","dateModified":"2026-06-01T11:48:19+00:00","description":"Fire Protection of ventilation ducts and smoke extraction with TecBor\u00ae EI-120 \/ EI-180 minutes fireproof plate........ \u2705? \u2705","breadcrumb":{"@id":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts#primaryimage","url":"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2018\/03\/Video_10-0-00-42-02.png","contentUrl":"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2018\/03\/Video_10-0-00-42-02.png"},{"@type":"BreadcrumbList","@id":"https:\/\/mcrtecresa.com\/en\/tecbor-boards\/ventilation-and-smoke-extraction-ducts#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"mcr tecresa\u00ae","item":"https:\/\/mcrtecresa.com\/en"},{"@type":"ListItem","position":2,"name":"Tecbor\u00ae Boards","item":"https:\/\/mcrtecresa.com\/en\/tecbor-boards"},{"@type":"ListItem","position":3,"name":"Tecbor\u00ae Boards- Ventilation &#038; Smoke Extraction Ducts"}]},{"@type":"WebSite","@id":"https:\/\/mcrtecresa.com\/#website","url":"https:\/\/mcrtecresa.com\/","name":"Mcr Tecresa","description":"Empresa l\u00edder en protecci\u00f3n pasiva contra incendios","publisher":{"@id":"https:\/\/mcrtecresa.com\/#organization"},"alternateName":"Protecci\u00f3n Pasiva Contra Incendios","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mcrtecresa.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/mcrtecresa.com\/#organization","name":"Mcr Tecresa","url":"https:\/\/mcrtecresa.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/mcrtecresa.com\/#\/schema\/logo\/image\/","url":"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2025\/07\/Logo-Original-1.png","contentUrl":"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2025\/07\/Logo-Original-1.png","width":195,"height":46,"caption":"Mcr Tecresa"},"image":{"@id":"https:\/\/mcrtecresa.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/mcrtecresa","https:\/\/www.youtube.com\/@Mcrtecresa"]}]}},"_links":{"self":[{"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/pages\/18111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/comments?post=18111"}],"version-history":[{"count":0,"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/pages\/18111\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/pages\/14312"}],"wp:attachment":[{"href":"https:\/\/mcrtecresa.com\/en\/wp-json\/wp\/v2\/media?parent=18111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}