{"id":1256,"date":"2023-11-29T12:28:41","date_gmt":"2023-11-29T15:28:41","guid":{"rendered":"https:\/\/gnrambiental.com.br\/noticias\/?p=1256"},"modified":"2025-12-15T17:04:59","modified_gmt":"2025-12-15T20:04:59","slug":"classe-de-ruido-conforme-nbr-15575","status":"publish","type":"post","link":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/","title":{"rendered":"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico"},"content":{"rendered":"<p data-start=\"370\" data-end=\"695\">A <strong data-start=\"372\" data-end=\"412\">Classe de Ru\u00eddo conforme a NBR 15575<\/strong> \u00e9 um dos principais crit\u00e9rios utilizados na <strong data-start=\"457\" data-end=\"522\">avalia\u00e7\u00e3o do desempenho ac\u00fastico de edifica\u00e7\u00f5es habitacionais<\/strong> no Brasil. A <strong data-start=\"536\" data-end=\"571\">NBR 15575 \u2013 Norma de Desempenho<\/strong>, estabelece requisitos m\u00ednimos para garantir <strong data-start=\"617\" data-end=\"665\">conforto ac\u00fastico, sa\u00fade e qualidade de vida<\/strong> aos usu\u00e1rios das edifica\u00e7\u00f5es.<\/p>\n<p data-start=\"697\" data-end=\"929\">A classifica\u00e7\u00e3o de ru\u00eddo considera o <strong data-start=\"734\" data-end=\"794\">n\u00edvel de ru\u00eddo externo ao qual a edifica\u00e7\u00e3o est\u00e1 exposta<\/strong>, sendo fundamental para o correto dimensionamento de fachadas, veda\u00e7\u00f5es verticais externas e coberturas, especialmente em dormit\u00f3rios.<\/p>\n<p data-start=\"931\" data-end=\"1037\">\ud83d\udc49 Saiba mais sobre avalia\u00e7\u00f5es ac\u00fasticas e laudos t\u00e9cnicos:<br data-start=\"990\" data-end=\"993\" \/><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/laudo-de-ruido\" target=\"_new\" rel=\"noopener\" data-start=\"993\" data-end=\"1035\">https:\/\/gnrambiental.com.br\/laudo-de-ruido<\/a><\/p>\n<hr data-start=\"1039\" data-end=\"1042\" \/>\n<h2 data-start=\"1044\" data-end=\"1089\"><strong data-start=\"1047\" data-end=\"1089\">O que \u00e9 a Classe de Ru\u00eddo na NBR 15575<\/strong><\/h2>\n<p data-start=\"1091\" data-end=\"1320\">A <strong data-start=\"1093\" data-end=\"1133\">Classe de Ru\u00eddo conforme a NBR 15575<\/strong> \u00e9 um indicador que representa a <strong data-start=\"1166\" data-end=\"1210\">condi\u00e7\u00e3o sonora do entorno da edifica\u00e7\u00e3o<\/strong>, considerando fontes externas como tr\u00e1fego urbano, atividades comerciais, ind\u00fastrias, ferrovias e aeroportos.<\/p>\n<p data-start=\"1322\" data-end=\"1363\">A norma define <strong data-start=\"1337\" data-end=\"1362\">tr\u00eas classes de ru\u00eddo<\/strong>:<\/p>\n<h3 data-start=\"1365\" data-end=\"1410\">\ud83d\udd39 <strong data-start=\"1372\" data-end=\"1410\">RU1 \u2013 Baixo n\u00edvel de ru\u00eddo externo<\/strong><\/h3>\n<p data-start=\"1411\" data-end=\"1458\">Ambientes com baixa interfer\u00eancia sonora, como:<\/p>\n<ul data-start=\"1459\" data-end=\"1551\">\n<li data-start=\"1459\" data-end=\"1518\">\n<p data-start=\"1461\" data-end=\"1518\">\u00c1reas residenciais afastadas de vias de tr\u00e1fego intenso<\/p>\n<\/li>\n<li data-start=\"1519\" data-end=\"1551\">\n<p data-start=\"1521\" data-end=\"1551\">Regi\u00f5es suburbanas ou rurais<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1553\" data-end=\"1601\">\ud83d\udd39 <strong data-start=\"1560\" data-end=\"1601\">RU2 \u2013 N\u00edvel de ru\u00eddo externo moderado<\/strong><\/h3>\n<p data-start=\"1602\" data-end=\"1623\">Ambientes t\u00edpicos de:<\/p>\n<ul data-start=\"1624\" data-end=\"1704\">\n<li data-start=\"1624\" data-end=\"1665\">\n<p data-start=\"1626\" data-end=\"1665\">\u00c1reas residenciais em centros urbanos<\/p>\n<\/li>\n<li data-start=\"1666\" data-end=\"1704\">\n<p data-start=\"1668\" data-end=\"1704\">Ruas com tr\u00e1fego local ou moderado<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1706\" data-end=\"1750\">\ud83d\udd39 <strong data-start=\"1713\" data-end=\"1750\">RU3 \u2013 Alto n\u00edvel de ru\u00eddo externo<\/strong><\/h3>\n<p data-start=\"1751\" data-end=\"1796\">Ambientes com elevada exposi\u00e7\u00e3o sonora, como:<\/p>\n<ul data-start=\"1797\" data-end=\"1925\">\n<li data-start=\"1797\" data-end=\"1848\">\n<p data-start=\"1799\" data-end=\"1848\">Edifica\u00e7\u00f5es pr\u00f3ximas a avenidas de grande fluxo<\/p>\n<\/li>\n<li data-start=\"1849\" data-end=\"1872\">\n<p data-start=\"1851\" data-end=\"1872\">Rodovias, ferrovias<\/p>\n<\/li>\n<li data-start=\"1873\" data-end=\"1925\">\n<p data-start=\"1875\" data-end=\"1925\">\u00c1reas pr\u00f3ximas a aeroportos ou polos industriais<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1927\" data-end=\"2084\">A correta defini\u00e7\u00e3o da <strong data-start=\"1950\" data-end=\"1990\">Classe de Ru\u00eddo conforme a NBR 15575<\/strong> \u00e9 essencial para garantir que o projeto atenda aos requisitos m\u00ednimos de desempenho ac\u00fastico.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1259 size-full\" src=\"https:\/\/navajowhite-hippopotamus-297415.hostingersite.com\/noticias\/wp-content\/uploads\/2023\/11\/01-3.png\" alt=\"\" width=\"660\" height=\"144\" srcset=\"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/01-3.png 660w, https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/01-3-300x65.png 300w, https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/01-3-480x105.png 480w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p>\n<h2 data-start=\"2091\" data-end=\"2149\"><strong data-start=\"2094\" data-end=\"2149\">Classe de Ru\u00eddo e requisitos de isolamento ac\u00fastico<\/strong><\/h2>\n<p data-start=\"2151\" data-end=\"2316\">Para cada <strong data-start=\"2161\" data-end=\"2198\">Classe de Ru\u00eddo (RU1, RU2 ou RU3)<\/strong>, a NBR 15575 estabelece <strong data-start=\"2223\" data-end=\"2265\">valores m\u00ednimos de isolamento ac\u00fastico<\/strong>, normalmente expressos em <strong data-start=\"2292\" data-end=\"2309\">dB (decib\u00e9is)<\/strong>, para:<\/p>\n<ul data-start=\"2318\" data-end=\"2392\">\n<li data-start=\"2318\" data-end=\"2330\">\n<p data-start=\"2320\" data-end=\"2330\">Fachadas<\/p>\n<\/li>\n<li data-start=\"2331\" data-end=\"2362\">\n<p data-start=\"2333\" data-end=\"2362\">Veda\u00e7\u00f5es verticais externas<\/p>\n<\/li>\n<li data-start=\"2363\" data-end=\"2392\">\n<p data-start=\"2365\" data-end=\"2392\">Coberturas de dormit\u00f3rios<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2394\" data-end=\"2648\">\ud83d\udccc <strong data-start=\"2397\" data-end=\"2417\">Exemplo pr\u00e1tico:<\/strong><br data-start=\"2417\" data-end=\"2420\" \/>Em uma edifica\u00e7\u00e3o classificada como <strong data-start=\"2456\" data-end=\"2463\">RU1<\/strong>, o isolamento ac\u00fastico m\u00ednimo da fachada deve ser, por exemplo, <strong data-start=\"2528\" data-end=\"2539\">\u2265 25 dB<\/strong>. Assim, se o ru\u00eddo externo for de 70 dB, o n\u00edvel de ru\u00eddo interno admiss\u00edvel seria de aproximadamente 45 dB.<\/p>\n<p data-start=\"2650\" data-end=\"2747\">Quanto <strong data-start=\"2657\" data-end=\"2690\">maior a classe de ru\u00eddo (RU3)<\/strong>, <strong data-start=\"2692\" data-end=\"2746\">maior deve ser o desempenho ac\u00fastico da edifica\u00e7\u00e3o<\/strong>.<\/p>\n<hr data-start=\"2749\" data-end=\"2752\" \/>\n<h2 data-start=\"2754\" data-end=\"2826\"><strong data-start=\"2757\" data-end=\"2826\">Por que a Classe de Ru\u00eddo impacta diretamente a qualidade de vida<\/strong><\/h2>\n<p data-start=\"2828\" data-end=\"2885\">O ru\u00eddo ambiental excessivo est\u00e1 diretamente associado a:<\/p>\n<ul data-start=\"2886\" data-end=\"3020\">\n<li data-start=\"2886\" data-end=\"2908\">\n<p data-start=\"2888\" data-end=\"2908\">Dist\u00farbios do sono<\/p>\n<\/li>\n<li data-start=\"2909\" data-end=\"2936\">\n<p data-start=\"2911\" data-end=\"2936\">Redu\u00e7\u00e3o da concentra\u00e7\u00e3o<\/p>\n<\/li>\n<li data-start=\"2937\" data-end=\"2957\">\n<p data-start=\"2939\" data-end=\"2957\">Estresse cr\u00f4nico<\/p>\n<\/li>\n<li data-start=\"2958\" data-end=\"2989\">\n<p data-start=\"2960\" data-end=\"2989\">Aumento da press\u00e3o arterial<\/p>\n<\/li>\n<li data-start=\"2990\" data-end=\"3020\">\n<p data-start=\"2992\" data-end=\"3020\">Queda da qualidade de vida<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3022\" data-end=\"3094\">A correta aplica\u00e7\u00e3o da <strong data-start=\"3045\" data-end=\"3085\">Classe de Ru\u00eddo conforme a NBR 15575<\/strong> permite:<\/p>\n<ul data-start=\"3095\" data-end=\"3239\">\n<li data-start=\"3095\" data-end=\"3123\">\n<p data-start=\"3097\" data-end=\"3123\">Projetos mais eficientes<\/p>\n<\/li>\n<li data-start=\"3124\" data-end=\"3158\">\n<p data-start=\"3126\" data-end=\"3158\">Redu\u00e7\u00e3o de reclama\u00e7\u00f5es futuras<\/p>\n<\/li>\n<li data-start=\"3159\" data-end=\"3207\">\n<p data-start=\"3161\" data-end=\"3207\">Atendimento a exig\u00eancias legais e normativas<\/p>\n<\/li>\n<li data-start=\"3208\" data-end=\"3239\">\n<p data-start=\"3210\" data-end=\"3239\">Maior valoriza\u00e7\u00e3o do im\u00f3vel<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"3241\" data-end=\"3244\" \/>\n<h2 data-start=\"3246\" data-end=\"3312\"><strong data-start=\"3249\" data-end=\"3312\">Aplica\u00e7\u00f5es pr\u00e1ticas da Classe de Ru\u00eddo conforme a NBR 15575<\/strong><\/h2>\n<p data-start=\"3314\" data-end=\"3413\">A <strong data-start=\"3316\" data-end=\"3348\">Classe de Ru\u00eddo da NBR 15575<\/strong> deve ser considerada em diversas etapas do empreendimento, como:<\/p>\n<h3 data-start=\"3415\" data-end=\"3446\">\ud83c\udfd7\ufe0f <strong data-start=\"3423\" data-end=\"3446\">Projeto de fachadas<\/strong><\/h3>\n<p data-start=\"3447\" data-end=\"3545\">Defini\u00e7\u00e3o de sistemas construtivos, esquadrias, vidros e veda\u00e7\u00f5es compat\u00edveis com o ru\u00eddo externo.<\/p>\n<h3 data-start=\"3547\" data-end=\"3579\">\ud83c\udfe0 <strong data-start=\"3554\" data-end=\"3579\">Projeto de coberturas<\/strong><\/h3>\n<p data-start=\"3580\" data-end=\"3661\">An\u00e1lise do desempenho ac\u00fastico de telhados e lajes, especialmente em dormit\u00f3rios.<\/p>\n<h3 data-start=\"3663\" data-end=\"3704\">\ud83d\udd0a <strong data-start=\"3670\" data-end=\"3704\">Estudos e simula\u00e7\u00f5es ac\u00fasticas<\/strong><\/h3>\n<p data-start=\"3705\" data-end=\"3738\">Dimensionamento de solu\u00e7\u00f5es como:<\/p>\n<ul data-start=\"3739\" data-end=\"3844\">\n<li data-start=\"3739\" data-end=\"3759\">\n<p data-start=\"3741\" data-end=\"3759\">Vidros ac\u00fasticos<\/p>\n<\/li>\n<li data-start=\"3760\" data-end=\"3784\">\n<p data-start=\"3762\" data-end=\"3784\">Atenuadores de ru\u00eddo<\/p>\n<\/li>\n<li data-start=\"3785\" data-end=\"3808\">\n<p data-start=\"3787\" data-end=\"3808\">Barreiras ac\u00fasticas<\/p>\n<\/li>\n<li data-start=\"3809\" data-end=\"3844\">\n<p data-start=\"3811\" data-end=\"3844\">Sistemas construtivos especiais<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3846\" data-end=\"4023\">\ud83d\udc49 Em empreendimentos maiores, a <strong data-start=\"3879\" data-end=\"3898\">Classe de Ru\u00eddo<\/strong> pode ser definida com apoio de estudos como o <strong data-start=\"3945\" data-end=\"3986\">EIV \u2013 Estudo de Impacto de Vizinhan\u00e7a<\/strong>:<br data-start=\"3987\" data-end=\"3990\" \/><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/EIV\" target=\"_new\" rel=\"noopener\" data-start=\"3990\" data-end=\"4021\">https:\/\/gnrambiental.com.br\/EIV<\/a><\/p>\n<p data-start=\"3846\" data-end=\"4023\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1258 size-full\" src=\"https:\/\/navajowhite-hippopotamus-297415.hostingersite.com\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png\" alt=\"\" width=\"578\" height=\"317\" srcset=\"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png 578w, https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2-300x165.png 300w, https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2-480x263.png 480w\" sizes=\"(max-width: 578px) 100vw, 578px\" \/><\/p>\n<hr data-start=\"4025\" data-end=\"4028\" \/>\n<h2 data-start=\"4030\" data-end=\"4085\"><strong data-start=\"4033\" data-end=\"4085\">Avalia\u00e7\u00e3o da Classe de Ru\u00eddo com a GNR Ambiental<\/strong><\/h2>\n<p data-start=\"4087\" data-end=\"4330\">A <strong data-start=\"4089\" data-end=\"4106\">GNR Ambiental<\/strong> realiza <strong data-start=\"4115\" data-end=\"4185\">avalia\u00e7\u00f5es ac\u00fasticas, medi\u00e7\u00f5es de ru\u00eddo externo e estudos t\u00e9cnicos<\/strong> que auxiliam na correta defini\u00e7\u00e3o da <strong data-start=\"4223\" data-end=\"4263\">Classe de Ru\u00eddo conforme a NBR 15575<\/strong>, sempre com base em normas t\u00e9cnicas e boas pr\u00e1ticas de engenharia.<\/p>\n<p data-start=\"4332\" data-end=\"4399\">\ud83d\udd17 Conhe\u00e7a todos os nossos servi\u00e7os:<br data-start=\"4368\" data-end=\"4371\" \/><a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/\" target=\"_new\" rel=\"noopener\" data-start=\"4371\" data-end=\"4399\">https:\/\/gnrambiental.com.br\/<\/a><\/p>\n<p data-start=\"4401\" data-end=\"4439\">Tamb\u00e9m atuamos de forma integrada com:<\/p>\n<ul data-start=\"4440\" data-end=\"4609\">\n<li data-start=\"4440\" data-end=\"4523\">\n<p data-start=\"4442\" data-end=\"4523\"><strong data-start=\"4442\" data-end=\"4468\">Laudo de Insalubridade<\/strong> \u2013 <a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/laudo-de-insalubridade\" target=\"_new\" rel=\"noopener\" data-start=\"4471\" data-end=\"4521\">https:\/\/gnrambiental.com.br\/laudo-de-insalubridade<\/a><\/p>\n<\/li>\n<li data-start=\"4524\" data-end=\"4609\">\n<p data-start=\"4526\" data-end=\"4609\"><strong data-start=\"4526\" data-end=\"4553\">Laudo de Periculosidade<\/strong> \u2013 <a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/laudo-de-periculosidade\" target=\"_new\" rel=\"noopener\" data-start=\"4556\" data-end=\"4607\">https:\/\/gnrambiental.com.br\/laudo-de-periculosidade<\/a><\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"4611\" data-end=\"4614\" \/>\n<h2 data-start=\"4616\" data-end=\"4632\"><strong data-start=\"4619\" data-end=\"4632\">Conclus\u00e3o<\/strong><\/h2>\n<p data-start=\"4634\" data-end=\"4935\">A <strong data-start=\"4636\" data-end=\"4676\">Classe de Ru\u00eddo conforme a NBR 15575<\/strong> \u00e9 um requisito t\u00e9cnico essencial para garantir o desempenho ac\u00fastico das edifica\u00e7\u00f5es habitacionais. Sua correta aplica\u00e7\u00e3o resulta em <strong data-start=\"4810\" data-end=\"4866\">ambientes mais silenciosos, confort\u00e1veis e saud\u00e1veis<\/strong>, al\u00e9m de evitar problemas t\u00e9cnicos, jur\u00eddicos e reclama\u00e7\u00f5es futuras.<\/p>\n<hr data-start=\"4937\" data-end=\"4940\" \/>\n<h2 data-start=\"4942\" data-end=\"5005\"><strong data-start=\"4945\" data-end=\"5005\">Precisa avaliar a Classe de Ru\u00eddo do seu empreendimento?<\/strong><\/h2>\n<p data-start=\"5007\" data-end=\"5139\">\ud83d\udcde <strong data-start=\"5010\" data-end=\"5034\">Telefone \/ WhatsApp:<\/strong> (11) 95277-2125<br data-start=\"5050\" data-end=\"5053\" \/>\u2709\ufe0f <strong data-start=\"5056\" data-end=\"5067\">E-mail:<\/strong> <a class=\"decorated-link cursor-pointer\" rel=\"noopener\" data-start=\"5068\" data-end=\"5095\">contato@gnrambiental.com.br<\/a><br data-start=\"5095\" data-end=\"5098\" \/>\ud83c\udf10 <strong data-start=\"5101\" data-end=\"5110\">Site:<\/strong> <a class=\"decorated-link\" href=\"https:\/\/gnrambiental.com.br\/\" target=\"_new\" rel=\"noopener\" data-start=\"5111\" data-end=\"5139\">https:\/\/gnrambiental.com.br\/<\/a><\/p>\n<p data-start=\"5141\" data-end=\"5265\">\ud83d\udc49 <strong data-start=\"5144\" data-end=\"5187\">Avalia\u00e7\u00f5es ac\u00fasticas conforme NBR 15575<\/strong><br data-start=\"5187\" data-end=\"5190\" \/>\ud83d\udc49 Engenheiros especializados<br data-start=\"5219\" data-end=\"5222\" \/>\ud83d\udc49 Atendimento em S\u00e3o Paulo, ABC e regi\u00e3o<\/p>\n<p data-start=\"5267\" data-end=\"5338\"><strong data-start=\"5267\" data-end=\"5338\">GNR Ambiental \u2013 desempenho ac\u00fastico, t\u00e9cnica e seguran\u00e7a normativa.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Classe de Ru\u00eddo conforme a NBR 15575 \u00e9 um dos principais crit\u00e9rios utilizados na avalia\u00e7\u00e3o do desempenho ac\u00fastico de edifica\u00e7\u00f5es habitacionais no Brasil. A NBR 15575 \u2013 Norma de Desempenho, estabelece requisitos m\u00ednimos para garantir conforto ac\u00fastico, sa\u00fade e qualidade de vida aos usu\u00e1rios das edifica\u00e7\u00f5es. A classifica\u00e7\u00e3o de ru\u00eddo considera o n\u00edvel de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1258,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_joinchat":[],"footnotes":""},"categories":[104,1],"tags":[],"class_list":["post-1256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","category-sem-categoria"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico - GNR Ambiental<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico - GNR Ambiental\" \/>\n<meta property=\"og:description\" content=\"A Classe de Ru\u00eddo conforme a NBR 15575 \u00e9 um dos principais crit\u00e9rios utilizados na avalia\u00e7\u00e3o do desempenho ac\u00fastico de edifica\u00e7\u00f5es habitacionais no Brasil. A NBR 15575 \u2013 Norma de Desempenho, estabelece requisitos m\u00ednimos para garantir conforto ac\u00fastico, sa\u00fade e qualidade de vida aos usu\u00e1rios das edifica\u00e7\u00f5es. A classifica\u00e7\u00e3o de ru\u00eddo considera o n\u00edvel de [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/\" \/>\n<meta property=\"og:site_name\" content=\"GNR Ambiental\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-29T15:28:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-15T20:04:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"578\" \/>\n\t<meta property=\"og:image:height\" content=\"317\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"blog_gnr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"blog_gnr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/\",\"url\":\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/\",\"name\":\"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico - GNR Ambiental\",\"isPartOf\":{\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png\",\"datePublished\":\"2023-11-29T15:28:41+00:00\",\"dateModified\":\"2025-12-15T20:04:59+00:00\",\"author\":{\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/#\/schema\/person\/665c9a349aa30972fa8d07edc2ee38af\"},\"breadcrumb\":{\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#primaryimage\",\"url\":\"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png\",\"contentUrl\":\"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png\",\"width\":578,\"height\":317},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"In\u00edcio\",\"item\":\"https:\/\/gnrambiental.com.br\/noticias\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/#website\",\"url\":\"https:\/\/gnrambiental.com.br\/noticias\/\",\"name\":\"GNR Ambiental\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/gnrambiental.com.br\/noticias\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/#\/schema\/person\/665c9a349aa30972fa8d07edc2ee38af\",\"name\":\"blog_gnr\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/gnrambiental.com.br\/noticias\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/e4c10858129539ef55035c1f4f80f9c3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/e4c10858129539ef55035c1f4f80f9c3?s=96&d=mm&r=g\",\"caption\":\"blog_gnr\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico - GNR Ambiental","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:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/","og_locale":"pt_BR","og_type":"article","og_title":"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico - GNR Ambiental","og_description":"A Classe de Ru\u00eddo conforme a NBR 15575 \u00e9 um dos principais crit\u00e9rios utilizados na avalia\u00e7\u00e3o do desempenho ac\u00fastico de edifica\u00e7\u00f5es habitacionais no Brasil. A NBR 15575 \u2013 Norma de Desempenho, estabelece requisitos m\u00ednimos para garantir conforto ac\u00fastico, sa\u00fade e qualidade de vida aos usu\u00e1rios das edifica\u00e7\u00f5es. A classifica\u00e7\u00e3o de ru\u00eddo considera o n\u00edvel de [&hellip;]","og_url":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/","og_site_name":"GNR Ambiental","article_published_time":"2023-11-29T15:28:41+00:00","article_modified_time":"2025-12-15T20:04:59+00:00","og_image":[{"width":578,"height":317,"url":"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png","type":"image\/png"}],"author":"blog_gnr","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"blog_gnr","Est. tempo de leitura":"5 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/","url":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/","name":"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico - GNR Ambiental","isPartOf":{"@id":"https:\/\/gnrambiental.com.br\/noticias\/#website"},"primaryImageOfPage":{"@id":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#primaryimage"},"image":{"@id":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#primaryimage"},"thumbnailUrl":"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png","datePublished":"2023-11-29T15:28:41+00:00","dateModified":"2025-12-15T20:04:59+00:00","author":{"@id":"https:\/\/gnrambiental.com.br\/noticias\/#\/schema\/person\/665c9a349aa30972fa8d07edc2ee38af"},"breadcrumb":{"@id":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/"]}]},{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#primaryimage","url":"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png","contentUrl":"https:\/\/gnrambiental.com.br\/noticias\/wp-content\/uploads\/2023\/11\/02-2.png","width":578,"height":317},{"@type":"BreadcrumbList","@id":"https:\/\/gnrambiental.com.br\/noticias\/classe-de-ruido-conforme-nbr-15575\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"In\u00edcio","item":"https:\/\/gnrambiental.com.br\/noticias\/"},{"@type":"ListItem","position":2,"name":"Classe de Ru\u00eddo conforme a NBR 15575: entenda a classifica\u00e7\u00e3o e sua import\u00e2ncia no desempenho ac\u00fastico"}]},{"@type":"WebSite","@id":"https:\/\/gnrambiental.com.br\/noticias\/#website","url":"https:\/\/gnrambiental.com.br\/noticias\/","name":"GNR Ambiental","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/gnrambiental.com.br\/noticias\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-BR"},{"@type":"Person","@id":"https:\/\/gnrambiental.com.br\/noticias\/#\/schema\/person\/665c9a349aa30972fa8d07edc2ee38af","name":"blog_gnr","image":{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/gnrambiental.com.br\/noticias\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/e4c10858129539ef55035c1f4f80f9c3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e4c10858129539ef55035c1f4f80f9c3?s=96&d=mm&r=g","caption":"blog_gnr"}}]}},"_links":{"self":[{"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/posts\/1256"}],"collection":[{"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/comments?post=1256"}],"version-history":[{"count":3,"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/posts\/1256\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/posts\/1256\/revisions\/2115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/media\/1258"}],"wp:attachment":[{"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/media?parent=1256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/categories?post=1256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gnrambiental.com.br\/noticias\/wp-json\/wp\/v2\/tags?post=1256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}