{"id":7701,"date":"2026-03-03T15:28:42","date_gmt":"2026-03-03T07:28:42","guid":{"rendered":"https:\/\/meettfit.com\/?p=7701"},"modified":"2026-03-04T18:13:05","modified_gmt":"2026-03-04T10:13:05","slug":"what-happens-when-acoustic-underlay-is-over-compressed","status":"publish","type":"post","link":"https:\/\/meettfit.com\/pt\/subpavimento-acustico\/o-que-acontece-quando-o-revestimento-acustico-e-comprimido-em-excesso\/","title":{"rendered":"O que acontece quando a base ac\u00fastica \u00e9 comprimida em excesso"},"content":{"rendered":"

When acoustic rubber underlay is over-compressed, it stops acting as a decoupler and starts acting as a sound bridge. The air pockets within the rubber collapse, which eliminates the material’s ability to absorb vibrations. This leads to a massive drop in the Impact Insulation Class (IIC) rating, making the floor nearly as loud as if no underlay were installed.<\/p>\n

In the field, over-compression is often the "silent killer" of a project’s acoustic performance. Most people assume that squeezing a rubber pad tightly between the subfloor and the finish floor creates a more stable surface, but the opposite is true for sound. A rubber underlay is engineered to function as a mechanical spring. For this spring to work, it needs "deflection room"\u2014space to compress and rebound when someone walks on it. When you exceed the load limit, the rubber reaches a state of maximum density. At this point, kinetic energy from a footstep doesn’t get converted into heat through the rubber’s polymer chains; instead, it travels instantly into the joists and the ceiling below. This is a physical transition from a damped system to a rigid one. If the rubber is squashed flat before the first person even walks on the floor, the acoustic engineering has effectively been neutralized.<\/p>\n

\"Diagrama<\/p>\n

Compreender a forma como estes materiais reagem ao peso e porque \u00e9 que o revestimento ac\u00fastico \u00e9 essencial<\/a> para projectos de pavimentos \u00e9 a \u00fanica forma de evitar uma queixa de ru\u00eddo ap\u00f3s a conclus\u00e3o do trabalho.<\/p>\n

Como \u00e9 que a ci\u00eancia do revestimento de borracha \u00e9 suposto funcionar?<\/h2>\n

O subpavimento de borracha funciona separando duas massas duras com uma camada de \"mola\" resiliente. A borracha ret\u00e9m a vibra\u00e7\u00e3o na sua densidade e converte essa energia em pequenas quantidades de calor. Este processo evita que o ru\u00eddo de impacto transforme toda a estrutura do pavimento num altifalante gigante para a divis\u00e3o em baixo.<\/strong><\/p>\n\n\n\n\n\n\n\n
Im\u00f3veis<\/th>\nPapel cient\u00edfico<\/th>\nResultado no mundo real<\/th>\n<\/tr>\n<\/thead>\n
Desacoplamento mec\u00e2nico<\/td>\nQuebra a liga\u00e7\u00e3o f\u00edsica<\/td>\nP\u00e1ra o curso da vibra\u00e7\u00e3o<\/td>\n<\/tr>\n
Viscoelasticidade<\/td>\nAbsorve e amortece a energia<\/td>\nAbafa os impactos bruscos<\/td>\n<\/tr>\n
Dureza Shore<\/td>\nDefine a capacidade de carga<\/td>\nEvita o \"fundo do po\u00e7o\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The standard "Mass-Spring-Mass" system relies entirely on that middle layer staying flexible. In a typical installation, the subfloor is one mass, the finish floor is the second mass, and the rubber pad is the spring. If that spring is too soft for the weight of the floor, it stays permanently crushed. If it is too hard, it doesn’t move at all. I have seen many installers choose a soft, cheap rubber for a heavy hardwood floor, thinking it will feel "cushy." Within a month, the weight of the wood and the furniture flattens the cells. The floor then feels hard, and the noise levels downstairs skyrocket. The goal is to select a rubber density that compresses by only about 10% to 15% under the static load of the floor. This leaves enough "travel" in the material to handle the dynamic load of people walking or moving furniture without hitting the floor’s structural limit.<\/p>\n

\"Gr\u00e1fico<\/p>\n

Esta falta de equil\u00edbrio entre peso e densidade \u00e9 o que conduz ao estado t\u00e9cnico de sobrecompress\u00e3o.<\/p>\n

O que \u00e9 exatamente a \"sobrecompress\u00e3o\" em termos ac\u00fasticos?<\/h2>\n

Over-compression is the point where a material is loaded beyond its elastic limit, causing the internal air cells to fail. This is caused by excessive static weight from heavy flooring, point-loading from appliances, or mechanical bridging where screws and nails bypass the underlay’s damping properties.<\/strong><\/p>\n

Causas comuns de falha de material<\/h3>\n\n\n\n\n\n\n\n
Causa<\/th>\nImpacto t\u00e9cnico<\/th>\nSom resultante<\/th>\n<\/tr>\n<\/thead>\n
Densidade incorrecta<\/td>\nO material excede o limite de elasticidade<\/td>\nBatidas fortes e ocas<\/td>\n<\/tr>\n
Fixa\u00e7\u00e3o mec\u00e2nica<\/td>\nPonte de vibra\u00e7\u00e3o direta<\/td>\nCliques agudos e met\u00e1licos<\/td>\n<\/tr>\n
Carregamento pontual<\/td>\nColapso celular localizado<\/td>\nFugas de som irregulares<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

I once inspected a site where the contractor used 2mm recycled rubber under a heavy slate tile. The weight of the slate alone was enough to push the rubber past its yield point. When rubber hits this point, it experiences "creep"\u2014a permanent deformation that doesn’t go away even if you remove the weight. Another huge mistake is "over-screwing." If an installer drives a screw through the hardwood, through the rubber, and deep into the plywood subfloor, that screw becomes a highway for sound. It doesn’t matter how good the rubber is if you’ve built 500 tiny metal bridges across it. We call this a "short-circuit." You also have to watch out for heavy items like kitchen islands or pianos. Without a load-distribution plate, these items create "dead zones" in the rubber where sound leaks through like water through a crack in a dam.<\/p>\n

Os sinais f\u00edsicos desta falha manifestam-se geralmente no primeiro ano de ocupa\u00e7\u00e3o.<\/p>\n

Quais s\u00e3o as consequ\u00eancias diretas da sobrecompress\u00e3o?<\/h2>\n

A consequ\u00eancia mais direta \u00e9 a perda de isolamento ac\u00fastico do impacto, muitas vezes reduzindo um pavimento de alto desempenho IIC 70 para um IIC 40. Estruturalmente, a sobrecompress\u00e3o leva ao \"ressalto\" do pavimento, a fissuras nas linhas de argamassa dos ladrilhos e \u00e0 anula\u00e7\u00e3o total de quaisquer garantias de materiais.<\/strong><\/p>\n

Falhas ac\u00fasticas e estruturais<\/h3>\n\n\n\n\n\n\n\n
Risco<\/th>\nEfeito f\u00edsico<\/th>\nImpacto<\/th>\n<\/tr>\n<\/thead>\n
Falha ac\u00fastica<\/td>\nPerda de mais de 20 pontos CII<\/td>\nPassos altos em baixo<\/td>\n<\/tr>\n
Deflex\u00e3o estrutural<\/td>\nFlex\u00e3o ou movimento do pavimento<\/td>\nJuntas\/juntas fissuradas<\/td>\n<\/tr>\n
Perda de garantia<\/td>\nN\u00e3o conformidade com as especifica\u00e7\u00f5es<\/td>\nCustos de repara\u00e7\u00e3o elevados<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

When the rubber is crushed, you lose the "air cushion" that blocks high-frequency noise. This is why you start hearing the sharp "clack" of high heels or dropped keys from the floor above. But it isn’t just a noise issue; it is a structural one. If the underlay is over-compressed in some areas but not others, the floor becomes uneven. For a tile floor, this is a death sentence. Tile needs a stable, flat base. If the rubber underneath is failing and shifting, the grout lines will crack, and the tiles will eventually delaminate. In many cases, the floor feels "mushy" in high-traffic areas where the rubber has been fatigued. Most manufacturers will walk away from a claim if they see the underlay was not rated for the weight of the top floor. It is a costly mistake that usually requires a full teardown to fix correctly.<\/p>\n

\"Juntas<\/p>\n

A identifica\u00e7\u00e3o precoce destes sintomas pode ajud\u00e1-lo a decidir se precisa de uma interven\u00e7\u00e3o importante ou de um simples penso.<\/p>\n

Como identificar os sintomas de uma camada de base com defeito?<\/h2>\n

A falha do subpavimento soa como um ru\u00eddo de impacto \"agudo\" em vez de batidas abafadas. Visualmente, pode notar que o pavimento se afasta dos rodap\u00e9s ou desenvolve \"pontos moles\". Em termos t\u00e1cticos, o pavimento parecer\u00e1 r\u00edgido e n\u00e3o ter\u00e1 a resili\u00eancia subtil t\u00edpica de uma instala\u00e7\u00e3o de borracha de alta qualidade.<\/strong><\/p>\n

Lista de verifica\u00e7\u00e3o de diagn\u00f3stico<\/h3>\n\n\n\n\n\n\n\n
Sintoma<\/th>\nObserva\u00e7\u00e3o<\/th>\nSignificado<\/th>\n<\/tr>\n<\/thead>\n
Ac\u00fastico<\/td>\n\"Cliques\" agudos<\/td>\nAmortecimento zero<\/td>\n<\/tr>\n
Visual<\/td>\nLacunas no per\u00edmetro do pavimento<\/td>\nAfundamento permanente<\/td>\n<\/tr>\n
F\u00edsico<\/td>\nO ch\u00e3o parece \"morto\" ou duro<\/td>\nO material est\u00e1 no fundo do po\u00e7o<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Se estiver na divis\u00e3o de baixo e conseguir ouvir algu\u00e9m a subir as escadas como se estivesse na divis\u00e3o consigo, o subpavimento est\u00e1 feito. Um sistema saud\u00e1vel filtra a \"borda\" do som, deixando apenas um ru\u00eddo de baixa frequ\u00eancia. Outro sinal \u00e9 o \"afundamento do per\u00edmetro\". Se vir um espa\u00e7o de 2 mm ou 3 mm a abrir-se entre o ch\u00e3o e os rodap\u00e9s, a borracha est\u00e1 a perder espessura. Tamb\u00e9m digo \u00e0s pessoas para prestarem aten\u00e7\u00e3o \u00e0 sensa\u00e7\u00e3o das suas pernas. Um pavimento com uma base de borracha funcional \u00e9 significativamente mais f\u00e1cil para as articula\u00e7\u00f5es durante longos per\u00edodos de tempo. Se o pavimento parecer t\u00e3o implac\u00e1vel como o bet\u00e3o, \u00e9 prov\u00e1vel que a borracha tenha atingido a sua compress\u00e3o m\u00e1xima e j\u00e1 n\u00e3o esteja a fornecer qualquer \"elasticidade\". Estes sintomas significam normalmente que a borracha passou de um estado el\u00e1stico para um estado pl\u00e1stico, onde os danos s\u00e3o permanentes.<\/p>\n

Para o evitar, \u00e9 preciso fazer as contas antes de os materiais chegarem ao local da obra.<\/p>\n

Como \u00e9 que se escolhe o subpavimento de borracha adequado para a carga?<\/h2>\n

Para escolher o subpavimento correto, \u00e9 necess\u00e1rio fazer corresponder a dureza Shore e a densidade da borracha \u00e0 \"carga morta\" do material do pavimento. Utilize borracha de alta densidade e baixa espessura para LVP, para proteger as juntas, e tapetes mais espessos e de densidade m\u00e9dia para madeira dura ou azulejo, para permitir uma deflex\u00e3o adequada.<\/strong><\/p>\n

Tabela de sele\u00e7\u00e3o de materiais<\/h3>\n\n\n\n\n\n\n\n
Acabamento do pavimento<\/th>\nBase recomendada<\/th>\nMotivo principal<\/th>\n<\/tr>\n<\/thead>\n
Vinil de luxo (LVP)<\/td>\nBorracha de alta densidade de 2 mm<\/td>\nEvita a rutura das articula\u00e7\u00f5es<\/td>\n<\/tr>\n
Madeira dura \/ Laminado<\/td>\n3mm – 5mm Rubber<\/td>\nEquilibra o som e a estabilidade<\/td>\n<\/tr>\n
Azulejo \/ Pedra<\/td>\nTapete resistente de 6 mm+<\/td>\nSuporta um peso est\u00e1tico elevado<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The biggest error is the "one size fits all" approach. You cannot use the same rubber pad for a floating laminate floor that you would use for a 3\/4-inch solid oak floor. The oak floor weighs significantly more and will crush a low-density pad instantly. You need to look at the "Load-Deflection Curve" on the tech sheet. This chart shows how many pounds per square inch (PSI) the rubber can handle before it loses its spring. For heavy tile, you need a high PSI rating and a higher Shore Hardness (usually 50-60). For lighter floors, a lower Shore Hardness (40-45) is better because it allows the lighter floor to actually move the "spring." If the rubber is too hard for a light floor, it won’t compress at all, and you’ll get a "drum" effect where the noise echoes. This calibration is even more critical when selecting underlay para est\u00fadios de grava\u00e7\u00e3o<\/a>onde a precis\u00e3o no controlo das vibra\u00e7\u00f5es \u00e9 a principal prioridade.<\/p>\n

\"Gr\u00e1fico<\/p>\n

Se o pavimento j\u00e1 estiver em baixo e o ru\u00eddo for um problema, as suas op\u00e7\u00f5es s\u00e3o, infelizmente, limitadas.<\/p>\n

Quais s\u00e3o as melhores solu\u00e7\u00f5es para a resolu\u00e7\u00e3o de problemas e para o reequipamento?<\/h2>\n

N\u00e3o h\u00e1 forma de \"descomprimir\" a borracha depois de esta ter falhado; a \u00fanica verdadeira solu\u00e7\u00e3o \u00e9 a substitui\u00e7\u00e3o. No entanto, pode atenuar o problema utilizando tapetes de \u00e1rea com almofadas de feltro espessas ou colocando suportes de isolamento localizados por baixo de aparelhos pesados para impedir que a vibra\u00e7\u00e3o se propague.<\/strong><\/p>\n

Mitiga\u00e7\u00e3o vs. Preven\u00e7\u00e3o<\/h3>\n\n\n\n\n\n\n\n
Estrat\u00e9gia<\/th>\nEfic\u00e1cia<\/th>\nMelhor aplica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n
Substitui\u00e7\u00e3o integral<\/td>\n100%<\/td>\n\u00danica forma de recuperar a CII<\/td>\n<\/tr>\n
Tapetes com forro de feltro<\/td>\n40%<\/td>\nAbafar os estalidos na superf\u00edcie<\/td>\n<\/tr>\n
Almofadas de isolamento<\/td>\n60%<\/td>\nDebaixo de altifalantes ou de mobili\u00e1rio pesado<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

When a system fails, people usually want a quick fix. The reality is that once that rubber is squashed, it stays squashed. You can’t inject air back into it. If a client doesn’t want to rip up the floor, I suggest adding mass to the top. Thick rugs with heavy felt underlays can do about 30% of the work that the rubber pad was supposed to do. For specific "hot spots" like a heavy refrigerator or a washing machine, you can cut out the flooring and install dedicated vibration isolation mounts that sit directly on the subfloor. For future installs, always go with a "floating" system if possible. Gluing or nailing the floor down significantly increases the risk of over-compression because you are adding vertical pressure that the rubber wasn’t designed to handle 24\/7.<\/p>\n

\"Almofadas<\/p>\n

Conclus\u00e3o<\/h2>\n

A sele\u00e7\u00e3o adequada da densidade \u00e9 a \u00fanica forma de evitar falhas permanentes do subpavimento e fugas de ru\u00eddo.<\/p>","protected":false},"excerpt":{"rendered":"

When acoustic rubber underlay is over-compressed, it stops acting as a decoupler and starts acting as a sound bridge. The air pockets within the rubber collapse, which eliminates the material’s ability to absorb vibrations. This leads to a massive drop in the Impact Insulation Class (IIC) rating, making the floor nearly as loud as if…<\/p>","protected":false},"author":4,"featured_media":7707,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-7701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acoustic-underlay"],"yoast_head":"\nWhat Happens When Acoustic Underlay Is Over-Compressed - MF FLOOR<\/title>\n<meta name=\"description\" content=\"Over-compressed rubber underlay creates sound bridges and kills IIC ratings. Learn how to choose the right density to avoid floor failure.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/meettfit.com\/pt\/subpavimento-acustico\/o-que-acontece-quando-o-revestimento-acustico-e-comprimido-em-excesso\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Happens When Acoustic Underlay Is Over-Compressed - MF FLOOR\" \/>\n<meta property=\"og:description\" content=\"Over-compressed rubber underlay creates sound bridges and kills IIC ratings. Learn how to choose the right density to avoid floor failure.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/meettfit.com\/pt\/subpavimento-acustico\/o-que-acontece-quando-o-revestimento-acustico-e-comprimido-em-excesso\/\" \/>\n<meta property=\"og:site_name\" content=\"MF FLOOR\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=100079773047357\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-03T07:28:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-04T10:13:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"1659230944@qq.com\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"1659230944@qq.com\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/\"},\"author\":{\"name\":\"1659230944@qq.com\",\"@id\":\"https:\/\/meettfit.com\/#\/schema\/person\/ba93f0ead95f571b725acc83f6544fef\"},\"headline\":\"What Happens When Acoustic Underlay Is Over-Compressed\",\"datePublished\":\"2026-03-03T07:28:42+00:00\",\"dateModified\":\"2026-03-04T10:13:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/\"},\"wordCount\":1807,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/meettfit.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg\",\"articleSection\":[\"Soundproof Flooring Solutions\"],\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/\",\"url\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/\",\"name\":\"What Happens When Acoustic Underlay Is Over-Compressed - MF FLOOR\",\"isPartOf\":{\"@id\":\"https:\/\/meettfit.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg\",\"datePublished\":\"2026-03-03T07:28:42+00:00\",\"dateModified\":\"2026-03-04T10:13:05+00:00\",\"description\":\"Over-compressed rubber underlay creates sound bridges and kills IIC ratings. Learn how to choose the right density to avoid floor failure.\",\"breadcrumb\":{\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage\",\"url\":\"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg\",\"contentUrl\":\"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg\",\"width\":800,\"height\":600,\"caption\":\"Soundproofing Rubber Pad (6)\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/meettfit.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What Happens When Acoustic Underlay Is Over-Compressed\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/meettfit.com\/#website\",\"url\":\"https:\/\/meettfit.com\/\",\"name\":\"MF FLOOR\",\"description\":\"fitness and sports floor China factory\",\"publisher\":{\"@id\":\"https:\/\/meettfit.com\/#organization\"},\"alternateName\":\"MF FLOOR\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/meettfit.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/meettfit.com\/#organization\",\"name\":\"MF FLOOR\",\"alternateName\":\"MF FLOOR\",\"url\":\"https:\/\/meettfit.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/meettfit.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/meettfit.com\/wp-content\/uploads\/2025\/02\/cropped-icon.png\",\"contentUrl\":\"https:\/\/meettfit.com\/wp-content\/uploads\/2025\/02\/cropped-icon.png\",\"width\":512,\"height\":512,\"caption\":\"MF FLOOR\"},\"image\":{\"@id\":\"https:\/\/meettfit.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/profile.php?id=100079773047357\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/meettfit.com\/#\/schema\/person\/ba93f0ead95f571b725acc83f6544fef\",\"name\":\"1659230944@qq.com\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/meettfit.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a00f8b283a4395bb3fdf16b29335b3a4?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a00f8b283a4395bb3fdf16b29335b3a4?s=96&d=mm&r=g\",\"caption\":\"1659230944@qq.com\"},\"url\":\"https:\/\/meettfit.com\/pt\/author\/1659230944qq-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What Happens When Acoustic Underlay Is Over-Compressed - MF FLOOR","description":"Over-compressed rubber underlay creates sound bridges and kills IIC ratings. Learn how to choose the right density to avoid floor failure.","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:\/\/meettfit.com\/pt\/subpavimento-acustico\/o-que-acontece-quando-o-revestimento-acustico-e-comprimido-em-excesso\/","og_locale":"pt_PT","og_type":"article","og_title":"What Happens When Acoustic Underlay Is Over-Compressed - MF FLOOR","og_description":"Over-compressed rubber underlay creates sound bridges and kills IIC ratings. Learn how to choose the right density to avoid floor failure.","og_url":"https:\/\/meettfit.com\/pt\/subpavimento-acustico\/o-que-acontece-quando-o-revestimento-acustico-e-comprimido-em-excesso\/","og_site_name":"MF FLOOR","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=100079773047357","article_published_time":"2026-03-03T07:28:42+00:00","article_modified_time":"2026-03-04T10:13:05+00:00","og_image":[{"width":800,"height":600,"url":"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg","type":"image\/jpeg"}],"author":"1659230944@qq.com","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"1659230944@qq.com","Tempo estimado de leitura":"9 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#article","isPartOf":{"@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/"},"author":{"name":"1659230944@qq.com","@id":"https:\/\/meettfit.com\/#\/schema\/person\/ba93f0ead95f571b725acc83f6544fef"},"headline":"What Happens When Acoustic Underlay Is Over-Compressed","datePublished":"2026-03-03T07:28:42+00:00","dateModified":"2026-03-04T10:13:05+00:00","mainEntityOfPage":{"@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/"},"wordCount":1807,"commentCount":0,"publisher":{"@id":"https:\/\/meettfit.com\/#organization"},"image":{"@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage"},"thumbnailUrl":"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg","articleSection":["Soundproof Flooring Solutions"],"inLanguage":"pt-PT","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/","url":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/","name":"What Happens When Acoustic Underlay Is Over-Compressed - MF FLOOR","isPartOf":{"@id":"https:\/\/meettfit.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage"},"image":{"@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage"},"thumbnailUrl":"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg","datePublished":"2026-03-03T07:28:42+00:00","dateModified":"2026-03-04T10:13:05+00:00","description":"Over-compressed rubber underlay creates sound bridges and kills IIC ratings. Learn how to choose the right density to avoid floor failure.","breadcrumb":{"@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/"]}]},{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#primaryimage","url":"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg","contentUrl":"https:\/\/meettfit.com\/wp-content\/uploads\/2026\/03\/Soundproofing-Rubber-Pad-6.jpg","width":800,"height":600,"caption":"Soundproofing Rubber Pad (6)"},{"@type":"BreadcrumbList","@id":"https:\/\/meettfit.com\/acoustic-underlay\/what-happens-when-acoustic-underlay-is-over-compressed\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/meettfit.com\/"},{"@type":"ListItem","position":2,"name":"What Happens When Acoustic Underlay Is Over-Compressed"}]},{"@type":"WebSite","@id":"https:\/\/meettfit.com\/#website","url":"https:\/\/meettfit.com\/","name":"MF FLOOR","description":"fitness and sports floor China factory","publisher":{"@id":"https:\/\/meettfit.com\/#organization"},"alternateName":"MF FLOOR","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/meettfit.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-PT"},{"@type":"Organization","@id":"https:\/\/meettfit.com\/#organization","name":"MF FLOOR","alternateName":"MF FLOOR","url":"https:\/\/meettfit.com\/","logo":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/meettfit.com\/#\/schema\/logo\/image\/","url":"https:\/\/meettfit.com\/wp-content\/uploads\/2025\/02\/cropped-icon.png","contentUrl":"https:\/\/meettfit.com\/wp-content\/uploads\/2025\/02\/cropped-icon.png","width":512,"height":512,"caption":"MF FLOOR"},"image":{"@id":"https:\/\/meettfit.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=100079773047357"]},{"@type":"Person","@id":"https:\/\/meettfit.com\/#\/schema\/person\/ba93f0ead95f571b725acc83f6544fef","name":"1659230944@qq.com","image":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/meettfit.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/a00f8b283a4395bb3fdf16b29335b3a4?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a00f8b283a4395bb3fdf16b29335b3a4?s=96&d=mm&r=g","caption":"1659230944@qq.com"},"url":"https:\/\/meettfit.com\/pt\/author\/1659230944qq-com\/"}]}},"_links":{"self":[{"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/posts\/7701","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/comments?post=7701"}],"version-history":[{"count":1,"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/posts\/7701\/revisions"}],"predecessor-version":[{"id":7709,"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/posts\/7701\/revisions\/7709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/media\/7707"}],"wp:attachment":[{"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/media?parent=7701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/categories?post=7701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meettfit.com\/pt\/wp-json\/wp\/v2\/tags?post=7701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}