{"id":59251,"date":"2022-05-26T12:50:51","date_gmt":"2022-05-26T10:50:51","guid":{"rendered":"https:\/\/mcrtecresa.com\/?page_id=59251"},"modified":"2025-09-24T13:14:57","modified_gmt":"2025-09-24T11:14:57","slug":"protecao-de-lajes-mistas","status":"publish","type":"page","link":"https:\/\/mcrtecresa.com\/pt\/argamassa-tecplaster\/protecao-de-lajes-mistas","title":{"rendered":"Argamassa Tecplaster\u00ae &#8211; Prote\u00e7\u00e3o de lajes mistas"},"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\/pt\">mcr tecresa\u00ae<\/a><\/span><\/span><\/code><\/pre>\n<p>[\/vc_column_text][vc_empty_space height=&#8221;10px&#8221;][\/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_1653558748803\"><h2 class=\"mgt-header-block-title\">Solu\u00e7\u00f5es Construtivas de Argamassa Tecplaster\u00ae<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_empty_space height=&#8221;20px&#8221; el_class=&#8221;vc_hidden-sm vc_hidden-xs&#8221;][\/vc_column][\/vc_row][vc_row][vc_column][vc_row_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Prote\u00e7\u00e3o elementos de a\u00e7o&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#e42413&#8243; outline_custom_hover_background=&#8221;#e42413&#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%2Fpt%2Fargamassa-tecplaster%2Fprotecao-elementos-de-aco&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Elementos estruturais de bet\u00e3o&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#e42413&#8243; outline_custom_hover_background=&#8221;#e42413&#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%2Fpt%2Fargamassa-tecplaster%2Fresistencia-ao-fogo-elementos-estruturais-betao&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Prote\u00e7\u00e3o elementos de a\u00e7o, bet\u00e3o e madeira com membrana Tecplaster&#8221; style=&#8221;outline-custom&#8221; outline_custom_color=&#8221;#e42413&#8243; outline_custom_hover_background=&#8221;#e42413&#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%2Fpt%2Fargamassa-tecplaster%2Fprotecao-elementos-aco-betao-com-membrana&#8221;][\/vc_column_inner][vc_column_inner width=&#8221;1\/4&#8243;][vc_btn title=&#8221;Prote\u00e7\u00e3o de lajes mistas&#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&#8243;][\/vc_column_inner][\/vc_row_inner][vc_empty_space height=&#8221;50px&#8221; el_class=&#8221;vc_hidden-sm vc_hidden-xs&#8221;][\/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_1653558966536\"><h1 class=\"mgt-header-block-title\">Argamassa Tecplaster\u00ae - Prote\u00e7\u00e3o de lajes mistas<\/h1><div class=\"mgt-header-line\"><\/div><\/div>[vc_row_inner][vc_column_inner width=&#8221;2\/3&#8243;][vc_column_text css=&#8221;&#8221;]<\/p>\n<p style=\"text-align: justify;\">As lajes mistas de bet\u00e3o e chapa colaborante foram desenvolvidas em meados do s\u00e9culo passado para melhorar a constru\u00e7\u00e3o dos arranha-c\u00e9us dos Estados Unidos, uma vez que apresentam as vantagens de n\u00e3o necessitar de escoramento, grande velocidade na execu\u00e7\u00e3o, um canto mais pequeno e uma melhor rela\u00e7\u00e3o resist\u00eancia\/massa do que uma laje tradicional, tudo isto hoje tamb\u00e9m os torna ideais para uso em edif\u00edcios industriais, de escrit\u00f3rios, modulares e reformas.<\/p>\n<p style=\"text-align: justify;\">Em mais de uma ocasi\u00e3o este tipo de laje \u00e9 tratado como se fosse uma laje simples de bet\u00e3o para enquanto ao c\u00e1lculo da camada de prote\u00e7\u00e3o contra inc\u00eandio, e isso n\u00e3o est\u00e1 correto; a principal diferen\u00e7a \u00e9 que este tipo de elemento met\u00e1lico de grande superf\u00edcie e pouca espessura tem uma temperatura cr\u00edtica de 350\u00baC, e para lajes de bet\u00e3o calcula-se que o menor refor\u00e7o da laje, com o respetivo revestimento, n\u00e3o atinja os 500\u00baC.<\/p>\n<p style=\"text-align: justify;\">Do departamento de i + D + i da <strong>mcr tecresa<sup>\u00ae<\/sup><\/strong>\u00a0foi desenvolvido um novo uso da nossa Argamassa Tecplaster\u00ae atrav\u00e9s da realiza\u00e7\u00e3o de um teste de \u201cProte\u00e7\u00e3o de Lajes de Chapa Colaborante\u201d de acordo com a norma UNE EN 13381-5, que nos deu um excelente resultado de espessuras, atingindo mais de 240 minutos de prote\u00e7\u00e3o contra inc\u00eandios.<\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;55777&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; style=&#8221;vc_box_rounded&#8221; onclick=&#8221;link_image&#8221; css=&#8221;.vc_custom_1653484285072{margin-top: 3rem !important;}&#8221;][\/vc_column_inner][\/vc_row_inner][vc_empty_space height=&#8221;40px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243; el_class=&#8221;bordersolution&#8221;][vc_empty_space height=&#8221;15px&#8221;][vc_single_image image=&#8221;45507&#8243; img_size=&#8221;large&#8221; alignment=&#8221;center&#8221; onclick=&#8221;link_image&#8221;][vc_row_inner css=&#8221;.vc_custom_1519682527087{padding-right: 3rem !important;padding-left: 3rem !important;}&#8221;][vc_column_inner width=&#8221;1\/2&#8243;]<div class=\"mgt-header-block clearfix text-left text-black wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-header \"><h2 class=\"mgt-header-block-title\"><\/h2><p class=\"mgt-header-block-subtitle\">Ensaio<\/p><div class=\"mgt-header-line\"><\/div><\/div>[vc_column_text]<b>Norme<\/b>: UNE EN 13381-5<br \/>\n<b>Laborat\u00f3rio<\/b>: Tecnalia.<br \/>\n<b>N\u00ba Ensaio<\/b>: 081265-002-2[\/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_content_element  mgt-header-block-style-1 mgt-header-texttransform-header \"><h2 class=\"mgt-header-block-title\"><\/h2><p class=\"mgt-header-block-subtitle\">Solu\u00e7\u00e3o<\/p><div class=\"mgt-header-line\"><\/div><\/div>[vc_column_text]<span style=\"color: #ff0000;\"><strong>1<\/strong>.<\/span> Laje de bet\u00e3o.<\/p>\n<p><span style=\"color: #ff0000;\"><strong>2<\/strong>.<\/span> Chapa de a\u00e7o perfilada.<\/p>\n<p><span style=\"color: #ff0000;\"><strong>3<\/strong>.<\/span> <strong>Argamassa<\/strong>\u00a0<strong>Tecplaster<sup>\u00ae<\/sup>.<\/strong>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1519682712284{padding-left: 2rem !important;}&#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-2 mgt-header-texttransform-none  vc_custom_1653561301328\"><h2 class=\"mgt-header-block-title\">Aplicac\u00e3o<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_column_text]<\/p>\n<p style=\"text-align: justify;\">O <strong>Tecplaster<sup>\u00ae<\/sup><\/strong> \u00e9 normalmente aplicado por m\u00e1quinas de projetar argamassas com bomba de parafuso sem-fimpor via h\u00famida. Para a aplica\u00e7\u00e3o manual, em alguns casos \u00e9 aconselh\u00e1vel colocar previamente uma malha met\u00e1lica deployee, convenientemente fixada \u00e0 supef\u00edcie.<\/p>\n<p style=\"text-align: justify;\">Prepara\u00e7\u00e3o da <strong>argamassa<\/strong> <strong>Tecplaster<sup>\u00ae<\/sup><\/strong>: Adicione \u00e1gua \u00e0 argamassa numa rela\u00e7\u00e3o aproximada de 1 Kg de argamassa seca + 1 litro de \u00e1gua.<\/p>\n<p style=\"text-align: justify;\">A rela\u00e7\u00e3o entre a \u00e1gua e a <strong>argamassa<\/strong> <strong>Tecplaster<sup>\u00ae<\/sup><\/strong> determina a consist\u00eancia desejada.<\/p>\n<p style=\"text-align: justify;\">Prepara\u00e7\u00e3o da superf\u00edcie: Deve estar livre de gordura, p\u00f3 e elementos desagregados. As superf\u00edcies met\u00e1licas devem ser preparadas.<\/p>\n<p style=\"text-align: justify;\">A <strong>argamassa<\/strong> <strong>Tecplaster<sup>\u00ae<\/sup><\/strong> geralmente tem um acabamento \u00e1spero t\u00edpico da proje\u00e7\u00e3o. Em casos especiais pode ser suavizado. Suporta acabamento com tintas.<\/p>\n<p style=\"text-align: justify;\">A argamassa Tecplaster\u00ae \u00e9 aplic\u00e1vel no interior entre 5\u00baC e 40\u00baC que n\u00e3o estejam expostas a humidade relativa elevada no ambiente.<\/p>\n<p style=\"text-align: justify;\">O Tecplaster\u00ae deve ser armazenado em superf\u00edcies planas e nunca ao ar livre, mantendo o material sob a cobertura protegido da luz solar e da humidade.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;50px&#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-2 mgt-header-texttransform-none  vc_custom_1653561737217\"><h2 class=\"mgt-header-block-title\">Documentos do produto<\/h2><div class=\"mgt-header-line\"><\/div><\/div>[vc_row_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_raw_html]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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_empty_space height=&#8221;20px&#8221; el_class=&#8221;vc_hidden-sm vc_hidden-xs&#8221;][\/vc_column][\/vc_row][vc_row][vc_column]<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_1653562005813\">\n<h2>Alguma d\u00favida? Contata connosco<\/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\/pt\/contato\">Contact Us<i class=\"fa fa-arrow-right\"><\/i><\/a><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"mgt-header-block clearfix text-left text-black wpb_content_element  mgt-header-block-style-1 mgt-header-texttransform-header \"><h2 class=\"mgt-header-block-title\">TAMBEM PODE TE INTERESSAR...<\/h2><p class=\"mgt-header-block-subtitle\">Prote\u00e7\u00e3o de lajes mistas com:<\/p><div class=\"mgt-header-line\"><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_btn title=&#8221;Argamassa Tecwool\u00ae F&#8221; style=&#8221;outline-custom&#8221; 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