{"id":33031,"date":"2020-09-29T13:26:19","date_gmt":"2020-09-29T11:26:19","guid":{"rendered":"https:\/\/mcrtecresa.com\/?p=33031"},"modified":"2025-10-22T13:30:41","modified_gmt":"2025-10-22T11:30:41","slug":"isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool","status":"publish","type":"post","link":"https:\/\/mcrtecresa.com\/fr\/blog\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool","title":{"rendered":"Isolation thermo-acoustique et protectioncontre le feu de plafonds a caissons avec le mortier tecwool"},"content":{"rendered":"<p style=\"text-align: justify;\">A de nombreuses occasions, que ce soit lors de r\u00e9novations ou de nouvelles constructions, nous rencontrons ce genre de <strong>plafond bidirectionnel \u00e0 caissons<\/strong>. Son avantage principal est qu\u2019il laisse passer plus de lumi\u00e8re entre les piliers, mais il pr\u00e9sente certains inconv\u00e9nients comme\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<ol>\n<li>Une <strong>isolation thermique<\/strong> moins importante que les plafonds \u00e0 poutrelles et entrevous.<\/li>\n<li>Une <strong>isolation acoustique<\/strong> moins importante due \u00e0 une \u00e9paisseur plus petite.<\/li>\n<li>Parfois, une <strong>r\u00e9sistance au feu<\/strong> qui n\u2019est pas conforme aux normes l\u00e9gales.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Notre d\u00e9partement de recherche, d\u00e9veloppement et innovation a d\u00e9velopp\u00e9 <strong>deux mortiers<\/strong> pour nous aider \u00e0 corriger ces trois d\u00e9ficiences\u00a0:<\/p>\n<ul>\n<li style=\"text-align: justify;\">Le Mortier<a href=\"https:\/\/mcrtecresa.com\/fr\/mortiers-tecwool\/tecwool-t\"><span style=\"color: #ff0000;\"><strong> Tecwool T<sup>\u00ae<\/sup><\/strong><\/span><\/a> qui nous offre une excellente <strong>isolation thermo-acoustique<\/strong>. Il peut aller jusqu\u2019\u00e0 6cm d\u2019\u00e9paisseur et poss\u00e8de le label <strong>Euroclasse A1<\/strong> (Mat\u00e9riel NON COMBUSTIBLE, sans contribution au feu).<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\" wp-image-32308 aligncenter\" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-Thermique-300x179.jpg\" alt=\"Tecwool Thermique\" width=\"441\" height=\"263\" srcset=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-Thermique-300x179.jpg 300w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-Thermique-768x458.jpg 768w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-Thermique.jpg 785w\" sizes=\"(max-width: 441px) 100vw, 441px\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"text-align: justify;\">Le Mortier <a href=\"https:\/\/mcrtecresa.com\/fr\/mortiers-tecwool\/tecwool-f\"><span style=\"color: #ff0000;\"><strong>Tecwool F<sup>\u00ae<\/sup><\/strong><\/span><\/a> qui poss\u00e8de des propri\u00e9t\u00e9s tr\u00e8s similaires en termes d\u2019isolation thermo-acoustique mais qui, en plus, agit comme une couche protectrice en augmentant la <strong>r\u00e9sistance au feu<\/strong> du b\u00e9ton jusqu\u2019\u00e0 <strong>REI-240 minutes.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\" wp-image-33024 aligncenter\" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-F-300x180.jpg\" alt=\"Tecwool F\" width=\"473\" height=\"284\" srcset=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-F-300x180.jpg 300w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-F-768x461.jpg 768w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tecwool-F.jpg 835w\" sizes=\"(max-width: 473px) 100vw, 473px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Nous allons maintenant d\u00e9tailler plus en profondeur les caract\u00e9ristiques que peuvent offrir nos Mortiers Tecwool F et\u00a0 <a href=\"https:\/\/mcrtecresa.com\/fr\/mortiers-tecwool\/tecwool-t\"><span style=\"color: #ff0000;\"><strong>Tecwool T<\/strong><strong><sup>\u00ae<\/sup><\/strong><\/span><\/a>\u00a0:<\/p>\n<p><strong><span style=\"color: #ff0000;\">ISOLATION THERMIQUE :<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">Si l\u2019application du mortier a pour unique but l\u2019isolation thermo-acoustique, nous utiliserons le mortier thermique <strong><span style=\"color: #ff0000;\">Tecwool T<sup>\u00ae<\/sup><\/span><\/strong> car il repr\u00e9sente une consommation de mat\u00e9riel moins importante et une isolation thermique plus grande que le mortier <strong><span style=\"color: #ff0000;\">Tecwool F<sup>\u00ae<\/sup><\/span><\/strong> qui est plus orient\u00e9 vers la protection contre le feu.<\/p>\n<p style=\"text-align: justify;\">Le mortier <strong><span style=\"color: #ff0000;\">Tecwool T<sup>\u00ae<\/sup><\/span><\/strong> pr\u00e9sente une <strong>conductivit\u00e9 thermique<\/strong> de 0.0456 W\/m\u00b7k<\/p>\n<p style=\"text-align: justify;\">Pour ce genre de plafonds d\u2019une \u00e9paisseur totale de 3cm, La <strong>Transmission Thermique U<\/strong> diminue en fonction de l\u2019\u00e9paisseur de <strong><span style=\"color: #ff0000;\">Tecwool T<sup>\u00ae<\/sup><\/span><\/strong> appliqu\u00e9e\u00a0:<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-32302 size-full\" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-Isolation-Tecwool.jpg\" alt=\"Tableau Isolation Tecwool\" width=\"1020\" height=\"200\" srcset=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-Isolation-Tecwool.jpg 1020w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-Isolation-Tecwool-300x59.jpg 300w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-Isolation-Tecwool-768x151.jpg 768w\" sizes=\"(max-width: 1020px) 100vw, 1020px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><strong>ABSORPTION ACOUSTIQUE\u00a0:<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\">L\u2019efficacit\u00e9 du mortier <span style=\"color: #ff0000;\"><strong>Tecwool T<sup>\u00ae<\/sup> <\/strong><\/span>vient principalement de sa structure polymorphe et de la porosit\u00e9 de la <strong>Laine de Roche<\/strong> dont il est constitu\u00e9. Cette efficacit\u00e9 est renforc\u00e9e par son application via une projection pneumatique (qui permet une isolation continue sans ponts acoustiques ni risque de d\u00e9collements), ce qui en fait un mat\u00e9riel id\u00e9al pour l\u2019isolation contre le bruit a\u00e9rien de n\u2019importe quelle superficie. Il est test\u00e9 selon la norme <strong>EN ISO 354<\/strong> et les coefficients d\u2019absorption acoustique en accord avec la norme <strong>EN ISO 11654<\/strong> sont les suivants\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-32296 \" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-absortion-acustique.jpg\" alt=\"Tableau absortion acustique\" width=\"592\" height=\"406\" srcset=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-absortion-acustique.jpg 1020w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-absortion-acustique-300x206.jpg 300w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-absortion-acustique-768x527.jpg 768w\" sizes=\"(max-width: 592px) 100vw, 592px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Dans les graphiques suivants, nous voyons clairement comment le mortier Tecwool d\u2019une \u00e9paisseur de <strong>17 et 26 mm<\/strong> augmente son absorption acoustique lorsque l\u2019intensit\u00e9 de la fr\u00e9quence monte, allant m\u00eame jusqu\u2019\u00e0 l\u2019absorption totale du son pour des fr\u00e9quences au-dessus de <strong>2000 Hz et 1000 Hz<\/strong> respectivement.<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-32290 \" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-17-Tecwool-1024x668.jpg\" alt=\"Absortion acustique 17 Tecwool\" width=\"392\" height=\"256\" srcset=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-17-Tecwool-1024x668.jpg 1024w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-17-Tecwool-300x196.jpg 300w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-17-Tecwool-768x501.jpg 768w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-17-Tecwool.jpg 1085w\" sizes=\"(max-width: 392px) 100vw, 392px\" \/> <img decoding=\"async\" class=\"alignnone wp-image-32293 \" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-26-Tecwool-1024x634.jpg\" alt=\"Absortion acustique 26 Tecwool\" width=\"422\" height=\"261\" srcset=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-26-Tecwool-1024x636.jpg 1024w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-26-Tecwool-300x186.jpg 300w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-26-Tecwool-768x476.jpg 768w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-26-Tecwool-370x230.jpg 370w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Absortion-acustique-26-Tecwool.jpg 1027w\" sizes=\"(max-width: 422px) 100vw, 422px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #ff0000;\"><strong>RESISTANCE AU FEU :<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\">En plus d\u2019\u00eatre un mat\u00e9riel <strong>INCOMBUSTIBLE<\/strong>, il est souvent requis que le mortier agisse \u00e9galement comme une couche protectrice pour le b\u00e9ton arm\u00e9 lorsque celui-ci fait face au feu.<\/p>\n<p style=\"text-align: justify;\">Suite aux tests r\u00e9alis\u00e9s pour augmenter la r\u00e9sistance au feu d\u2019un plafond \u00e0 caissons lorsque celui-ci n\u2019est pas aux normes d\u2019\u00e9paisseur minimum ou de distance par rapport \u00e0 une structure m\u00e9tallique, l\u2019\u00e9paisseur de mortier Tecwool F \u00e0 appliquer pour prot\u00e9ger des \u00e9l\u00e9ments porteurs en b\u00e9ton et les rendre conforme \u00e0 la norme <strong>UNE ENV 13.381-3, comme indiqu\u00e9 par le CTE<\/strong>, se d\u00e9termine en fonction du graphique suivant\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-32299 \" src=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-epaisseur.jpg\" alt=\"Tableau epaisseur\" width=\"736\" height=\"593\" srcset=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-epaisseur.jpg 811w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-epaisseur-300x242.jpg 300w, https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/Tableau-epaisseur-768x618.jpg 768w\" sizes=\"(max-width: 736px) 100vw, 736px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Par exemple, si nous voulons renforcer l\u2019\u00e9paisseur d\u2019une structure en b\u00e9ton pour avoir un <strong>REI 120<\/strong> (r\u00e9sistance au feu pendant 120 minutes) de 120 mm mais que celle-ci ne fait que 60 mm, il faudra combler l\u2019\u00e9quivalent avec du mortier <a href=\"https:\/\/mcrtecresa.com\/fr\/mortiers-tecwool\/tecwool-f\"><span style=\"color: #ff0000;\"><strong>Tecwool F<sup>\u00ae<\/sup><\/strong><\/span><\/a>. Dans ce cas-ci, la ligne bleue nous indique que l\u2019\u00e9paisseur de mortier \u00e0 appliquer sera de 26mm.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A de nombreuses occasions, que ce soit lors de r\u00e9novations ou de nouvelles constructions, nous rencontrons ce genre de plafond bidirectionnel \u00e0 caissons. Son avantage principal est qu\u2019il laisse passer&#8230;<\/p>\n","protected":false},"author":2,"featured_media":33228,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85,171],"tags":[],"class_list":["post-33031","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mcr-tecresa","category-produits-et-services"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Isolation thermo-acoustique et protectioncontre le feu de plafonds a caissons avec le mortier tecwool - Mcr Tecresa<\/title>\n<meta name=\"description\" content=\"Isolation thermique. 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En muchas ocasiones, ya sea durante renovaciones o nuevas construcciones, nos encontramos con este tipo de artesonado de dos v\u00edas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mcrtecresa.com\/fr\/blog\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool\" \/>\n<meta property=\"og:site_name\" content=\"Mcr Tecresa\" \/>\n<meta property=\"article:published_time\" content=\"2020-09-29T11:26:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-22T11:30:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mcrtecresa.com\/wp-content\/uploads\/2020\/09\/casetones.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"614\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Roberto Perez Salillas\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Roberto Perez Salillas\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool\"},\"author\":{\"name\":\"Roberto Perez Salillas\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#\\\/schema\\\/person\\\/275eebae54c4cf671d6c26d83abd4b3a\"},\"headline\":\"Isolation thermo-acoustique et protectioncontre le feu de plafonds a caissons avec le mortier tecwool\",\"datePublished\":\"2020-09-29T11:26:19+00:00\",\"dateModified\":\"2025-10-22T11:30:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool\"},\"wordCount\":634,\"publisher\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/mcrtecresa.com\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/casetones.jpg\",\"articleSection\":[\"Mcr Tecresa\",\"Produits et services\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool\",\"url\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool\",\"name\":\"Isolation thermo-acoustique et protectioncontre le feu de plafonds a caissons avec le mortier tecwool - Mcr Tecresa\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/mcrtecresa.com\\\/fr\\\/blog\\\/isolation-thermo-acoustique-et-protectioncontre-le-feu-de-plafonds-a-caissons-avec-le-mortier-tecwool#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/mcrtecresa.com\\\/wp-content\\\/uploads\\\/2020\\\/09\\\/casetones.jpg\",\"datePublished\":\"2020-09-29T11:26:19+00:00\",\"dateModified\":\"2025-10-22T11:30:41+00:00\",\"description\":\"Isolation thermique. 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