{"id":9120,"date":"2025-06-16T10:09:26","date_gmt":"2025-06-16T10:09:26","guid":{"rendered":"https:\/\/masacousticspro.com\/?p=9120"},"modified":"2026-02-24T13:59:24","modified_gmt":"2026-02-24T13:59:24","slug":"quin-es-el-millor-material-per-a-insonoritzar","status":"publish","type":"post","link":"https:\/\/masacousticspro.com\/ca\/quin-es-el-millor-material-per-a-insonoritzar\/","title":{"rendered":"Quin \u00e9s el millor material per a insonoritzar? La nostra recomanaci\u00f3"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"9120\" class=\"elementor elementor-9120 elementor-9100\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fe685cb elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"fe685cb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c89d72c\" data-id=\"c89d72c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f355541 elementor-widget elementor-widget-text-editor\" data-id=\"f355541\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ja sigui perqu\u00e8 el nivell de soroll extern ens incomoda, perqu\u00e8 el soroll que nosaltres generem \u00e9s excessiu o, simplement, pels canvis en les normatives de l\u2019edificaci\u00f3, quan comencis a buscar el millor material per a a\u00efllar llegir\u00e0s opinions diverses, algunes fins i tot completament diferents entre si. Permet-nos ajudar-te.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-998f187 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"998f187\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-02ca560\" data-id=\"02ca560\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d5af21 elementor-widget elementor-widget-text-editor\" data-id=\"5d5af21\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Material per a insonoritzar: qu\u00e8 he de tenir en compte?<\/strong><\/h2><p><span style=\"font-weight: 400;\">No existeix un \u00fanic material que, per si sol, aconsegueixi a\u00efllar suficient quan tenim un problema de soroll. Si apliquem la llei de masses veurem que cada cop que doblem la massa d\u2019una paret aconseguim augmentar l\u2019a\u00efllament del conjunt en 6 dB. Per a arribar a 20 dB d\u2019a\u00efllament haur\u00edem d\u2019augmentar la massa d\u2019aquesta paret deu vegades l\u2019original. Aix\u00f2 evidencia que seria preferible anar cap a una soluci\u00f3 de dues parets independents, combinant l\u2019augment de la massa del conjunt amb l\u2019elasticitat i absorci\u00f3 d\u2019una cambra d\u2019aire.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Aquests s\u00f3n els materials sobre els quals parlarem en aquest article per a arribar als teus objectius amb una instal\u00b7laci\u00f3 adequada.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4c226e0 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"4c226e0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-585e9f5\" data-id=\"585e9f5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-48dc11b elementor-widget elementor-widget-text-editor\" data-id=\"48dc11b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Tipus de materials per a insonoritzar<\/h3><p><span style=\"font-weight: 400;\">Ara detallarem cinc materials que haurien de ser utilitzats en qualsevol tipus d\u2019a\u00efllament ac\u00fastic, en ordre i partint des de la base que es vol a\u00efllar, amb un sis\u00e8 material que es pot afegir i uns altres tres per a <strong>a\u00efllaments m\u00e9s exigents<\/strong>.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Llana mineral 1:<\/strong> Material de baixa densitat (25 i 35 kg\/m\u00b3, tipus <\/span><a href=\"about:blank\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Arena Apta<\/span><\/a><span style=\"font-weight: 400;\"> o similar) de 4 cm de gruix a la cambra d\u2019aire que deixarem entre la paret actual i la nova.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Estructura portant per a envans secs:<\/strong> En el nostre cas n\u2019utilitzem de <\/span><a href=\"https:\/\/www.placo.es\/documents\/fichas-tecnicas\/ft-placo-montante-48-es.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">50 mm<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.placo.es\/documents\/fichas-tecnicas\/ft-placo-montante-70-es.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">70 mm<\/span><\/a><span style=\"font-weight: 400;\"> o <\/span><a href=\"about:blank\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">90 mm<\/span><\/a><span style=\"font-weight: 400;\">, depenent de l\u2019objectiu i de l\u2019al\u00e7ada de la paret. Alternativament, es poden utilitzar llistons de fusta de 50 x 50 mm o de 50 x 70 mm si tens acc\u00e9s a aquest material de manera m\u00e9s econ\u00f2mica.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Llana mineral 2:<\/strong> S\u2019utilitza dins l\u2019estructura portant anterior i \u00e9s d\u2019una densitat m\u00e9s gran, entorn als 70 kg\/m\u00b3, tipus <\/span><a href=\"http:\/\/www.rockwool.com\/siteassets\/rw-es\/herramientas\/fichas-tecnicas\/edificacion-tecnica\/ft_alpharock-premium_es.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Alpharock E225<\/span><\/a><span style=\"font-weight: 400;\"> o similar. Si utilitzem una estructura portant de 70 mm instal\u00b7larem una llana mineral de 60 mm. Si l\u2019estructura portant \u00e9s de 50 mm, aquesta llana mineral ser\u00e0 de 40 mm.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Plaques de guix laminat:<\/strong> Entres dues i tres capes, depenent dels objectius. La primera pot ser substitu\u00efda per fusta el m\u00e9s densa possible (DMF, per exemple) si es volen utilitzar diferents tipus de materials, tot i que s\u2019aconsella que sigui sempre de guix laminat per a qu\u00e8 les juntes quedin perfectament segellades amb cinta i massilla de juntes.<\/span><\/li><\/ul><p><b>Nota:<\/b><span style=\"font-weight: 400;\"> Nosaltres fem servir les tres capes de <\/span><a href=\"https:\/\/www.placo.es\/documents\/fichas-tecnicas\/ft-placo-pph-15-1200-es.pdf\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Placo PPH de 15 mm<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Goma elast\u00f2mera o barrera ac\u00fastica autoadhesiva:<\/strong> De <\/span><a href=\"https:\/\/www.masacoustics.com\/product\/barrera-acustica-flat-barrier-5a\/\"><span style=\"font-weight: 400;\">2,5 mm de gruix i 5 kg\/<\/span><\/a> <a href=\"https:\/\/www.masacoustics.com\/product\/barrera-acustica-flat-barrier-5a\/\"><span style=\"font-weight: 400;\">m\u00b2<\/span><\/a><span style=\"font-weight: 400;\"> o de <\/span><a href=\"https:\/\/www.masacoustics.com\/product\/barrera-acustica-flat-barrier-10a\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">5 mm de gruix i 10 kg\/m<\/span><\/a><span style=\"font-weight: 400;\"> i que instal\u00b7larem entre les estructures portants o llistons de fusta i les partes, sostre o terra i tamb\u00e9 amb la primera capa de guix laminat o DMF. Aix\u00f2 millora el rendiment del conjunt de la nova paret. Tamb\u00e9 l\u2019utilitzem com una capa\u00a0 de guix laminat. Aix\u00ed millora la p\u00e8rdua d\u2019a\u00efllament de fins a 10 dB que es produeix en alta freq\u00fc\u00e8ncia (pot variar en funci\u00f3 de les capes que utilitzem i de les dimensions de la sala). Veiem representada aquesta p\u00e8rdua en la figura 5 superior, marcada com a<\/span><i><span style=\"font-weight: 400;\"> fc<\/span><\/i><span style=\"font-weight: 400;\"> (freq\u00fc\u00e8ncia coincident).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Material bicapa, <a href=\"https:\/\/www.masacoustics.com\/product\/barrera-acustica-flat-barrier-flex\/\" target=\"_blank\" rel=\"noopener\">Flat Barrier Flex<\/a><\/strong>: \u00c9s un producte amb una combinaci\u00f3 de feltre por\u00f3s com a material absorbent i una goma elast\u00f2mera. L\u2019utilitzem per a refor\u00e7ar la paret que hem descrit en els par\u00e0grafs anteriors, col\u00b7locant-lo adherit a la paret abans de comen\u00e7ar. Aquest material s&#8217;utilitza tamb\u00e9 en sostres i terres com a refor\u00e7 ac\u00fastic i tamb\u00e9 per a a\u00efllar el soroll dels canals de recollida d&#8217;aig\u00fces pluvials o aig\u00fces grises.<\/li><\/ul><p>Per a m\u00e9s informaci\u00f3 sobre la llei de masses, consulteu aquest <a href=\"https:\/\/gcastro.webs.uvigo.es\/PFC\/Capitulo_dos_b.htm\" target=\"_blank\" rel=\"noopener\"><span>apartat formatiu de la Universitat de Vigo<\/span><\/a><span>. Ajuda a entendre si podem utilitzar parets senzilles o dobles i l\u2019\u00fas d\u2019amortidors.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-250ea08 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"250ea08\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-11dce67\" data-id=\"11dce67\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-310039c elementor-widget elementor-widget-image\" data-id=\"310039c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"548\" src=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-9.51.56-1024x548.png\" class=\"attachment-large size-large wp-image-9103\" alt=\"\" srcset=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-9.51.56-1024x548.png 1024w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-9.51.56-300x161.png 300w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-9.51.56-768x411.png 768w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-9.51.56-600x321.png 600w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-9.51.56.png 1236w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\"><\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14ec258 elementor-widget elementor-widget-text-editor\" data-id=\"14ec258\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Figura 5: <\/b><span style=\"font-weight: 400;\">A\u00efllament al soroll aeri en condicions de laboratori d\u2019un panell de guix de 10 mm de gruix (M = 7,5 kg\/m\u00b2). <\/span><a href=\"https:\/\/gcastro.webs.uvigo.es\/PFC\/Capitulo_dos_b.htm\"><span style=\"font-weight: 400;\">https:\/\/gcastro.webs.uvigo.es\/PFC\/Capitulo_dos_b.htm<\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ab34a7 elementor-widget elementor-widget-text-editor\" data-id=\"6ab34a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3><span style=\"font-weight: 400;\">Consideracions pr\u00e8vies<\/span><\/h3><p><span style=\"font-weight: 400;\">Com a precauci\u00f3, entre les feines pr\u00e8vies existents hem de considerar tapar totes les esquerdes i forats dels interruptors, que ara passaran a la nova paret, si \u00e9s possible de superf\u00edcies, per evitar un forat massa gran en l\u2019a\u00efllament ac\u00fastic.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-03167d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"03167d6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3f76fcd\" data-id=\"3f76fcd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c77d415 elementor-widget elementor-widget-text-editor\" data-id=\"c77d415\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Execuci\u00f3 per part d\u2019operaris qualificats<\/h3><p><span style=\"font-weight: 400;\">Tots aquests materials, instal\u00b7lats adequadament, ens poden oferir una millora de l\u2019a\u00efllament en el soroll aeri entre dos espais amb una separaci\u00f3 refor\u00e7ada, per\u00f2 \u00e9s important contractar t\u00e8cnics qualificats que facin les operacions i s\u2019assegurin que tot queda fet amb bona qualitat despr\u00e9s de les feines pr\u00e8vies.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8b04549 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"8b04549\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a20cea7\" data-id=\"a20cea7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4217430 elementor-widget elementor-widget-text-editor\" data-id=\"4217430\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>Materials per a a\u00efllaments ac\u00fastics avan\u00e7ats<\/strong><\/h2><p><span style=\"font-weight: 400;\">Desgraciadament no tots els problemes de soroll, per la seva intensitat o origen, es poden solucionar amb el remei parcial en una paret, sostre o terra.<\/span><\/p><p><span style=\"font-weight: 400;\">Per exemple, la tasca d\u2019a\u00efllament en una sala dedicada a assajos o gravaci\u00f3 d\u2019un instrument, producci\u00f3 musical, restaurants, discoteques o on s\u2019hi faci qualsevol altra activitat que generi nivells alts de m\u00fasica o soroll ha de ser feta d\u2019una altra manera, perqu\u00e8 el so entra o surt pels flancs laterals, superiors i inferiors de la sala.<\/span><\/p><p><span style=\"font-weight: 400;\">Aqu\u00ed \u00e9s imprescindible la pres\u00e8ncia d\u2019un enginyer que hauria de dur a terme un mesurament ac\u00fastic per a ajustar una soluci\u00f3 que garanteixi complir l\u2019objectiu d\u2019insonoritzaci\u00f3. I, per descomptat, i el m\u00e9s important de tot, caldria un arquitecte estructurista o t\u00e8cnic qualificat que asseguri que les c\u00e0rregues que afegirem al sostre o terra seran suportades per l\u2019edifici o, si m\u00e9s no, s\u2019haur\u00e0 de realitzar un estudi per a un refor\u00e7 estructural.<\/span><\/p><p><span style=\"font-weight: 400;\">En aquest cas utilitzarem tamb\u00e9 amortidors en sostre i terra per a aconseguir un a\u00efllament complet (una nova sala dins l\u2019actual):<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e547dbf elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"e547dbf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-252570c\" data-id=\"252570c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b715c22 elementor-widget elementor-widget-text-editor\" data-id=\"b715c22\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><b>Amortidors de sostre:<\/b><span style=\"font-weight: 400;\">\u00a0S\u2019haur\u00e0 d\u2019instal\u00b7lar el model d\u2019amortidor i en la posici\u00f3 exacta que indiqui un enginyer o t\u00e8cnic qualificat amb tacs met\u00e0l\u00b7lics i varetes roscades, deixant prou espai per a aplicar sobre l\u2019estructura met\u00e0l\u00b7lica de sostre (TC47) una capa de les dues llanes minerals descrites anteriorment per a les parets i despr\u00e9s les dues o tres capes de guix laminat, d\u2019igual manera que en les parets, amb la goma elast\u00f2mera Flat Barrier entre la primera i la segona capa. Deixarem una dist\u00e0ncia de seguretat de 3 cm entre el nou sostre i les quatre parets per a evitar un pont ac\u00fastic que arru\u00efnaria tota la feina feta. Aquest sostre ens ocupa un m\u00ednim de 17 cm en total.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-acc14c9 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"acc14c9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-01a4157\" data-id=\"01a4157\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-557cbed elementor-widget elementor-widget-image\" data-id=\"557cbed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-techo.jpg\" class=\"attachment-large size-large wp-image-12768\" alt=\"\" srcset=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-techo.jpg 1024w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-techo-300x169.jpg 300w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-techo-768x432.jpg 768w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-techo-600x338.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Exemple de distribuci\u00f3 d\u2019amortidors de sostre<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8f21aa elementor-widget elementor-widget-image\" data-id=\"e8f21aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguador-de-techo-flotante.jpg\" class=\"attachment-large size-large wp-image-12771\" alt=\"\" srcset=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguador-de-techo-flotante.jpg 1024w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguador-de-techo-flotante-300x169.jpg 300w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguador-de-techo-flotante-768x432.jpg 768w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguador-de-techo-flotante-600x338.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Exemple d\u2019esquema de composici\u00f3 de l\u2019a\u00efllament d\u2019un sostre flotant<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-70f45fe elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"70f45fe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c09f137\" data-id=\"c09f137\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0d9bc63 elementor-widget elementor-widget-text-editor\" data-id=\"0d9bc63\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Amortidors de terra:<\/b><span style=\"font-weight: 400;\">\u00a0S\u2019haur\u00e0 d\u2019instal\u00b7lar el model d\u2019amortidor i en la posici\u00f3 exacta que indiqui un enginyer o t\u00e8cnic qualificat sobre una capa de llana mineral (veure figura 1), per continuar amb una solera de formig\u00f3 o estructura seca a base de dues capes de DMF de 19 mm i dues capes de guix laminat de 15 mm entre elles. Deixarem 3 cm de separaci\u00f3 entre el nou terra i les quatre parets per a evitar un pont ac\u00fastic que faria in\u00fatil tota la feina feta. Aquest tipus de terra sol ocupar uns 11 cm sense l\u2019acabat (parquet o s\u00f2l vin\u00edlic).<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f4413d4 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"f4413d4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cc6dc1b\" data-id=\"cc6dc1b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7214391 elementor-widget elementor-widget-image\" data-id=\"7214391\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-tierra.jpg\" class=\"attachment-large size-large wp-image-12774\" alt=\"\" srcset=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-tierra.jpg 1024w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-tierra-300x169.jpg 300w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-tierra-768x432.jpg 768w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/amortiguadores-de-tierra-600x338.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Exemple de distribuci\u00f3 d\u2019amortidors de terra<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ca8235a elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"ca8235a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ab2e8eb\" data-id=\"ab2e8eb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-38352f7 elementor-widget elementor-widget-text-editor\" data-id=\"38352f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Nota:<\/b><span style=\"font-weight: 400;\"> L\u2019\u00fas d\u2019amortidors de terra far\u00e0 que la p\u00e8rdua d\u2019a\u00efllament, que \u00e9s representada com a <\/span><i><span style=\"font-weight: 400;\">fo <\/span><\/i><span style=\"font-weight: 400;\">(freq\u00fc\u00e8ncia de resson\u00e0ncia) en la figura 5, aconsegueixi una freq\u00fc\u00e8ncia natural o de resson\u00e0ncia m\u00e9s baixa que qualsevol de les freq\u00fc\u00e8ncies que es puguin reproduir a la sala.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1e76638 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"1e76638\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f27fbc4\" data-id=\"f27fbc4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f7caaa3 elementor-widget elementor-widget-image\" data-id=\"f7caaa3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"854\" height=\"462\" src=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-10.23.32.png\" class=\"attachment-large size-large wp-image-9111\" alt=\"\" srcset=\"https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-10.23.32.png 854w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-10.23.32-300x162.png 300w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-10.23.32-768x415.png 768w, https:\/\/masacousticspro.com\/wp-content\/uploads\/2025\/06\/Captura-de-pantalla-2025-06-16-a-les-10.23.32-600x325.png 600w\" sizes=\"(max-width: 854px) 100vw, 854px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Exemple de dues portes ac\u00fastiques de 47 dB instal\u00b7lades a diferent al\u00e7ada<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e8bfe4a elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"e8bfe4a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-44c5172\" data-id=\"44c5172\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9871285 elementor-widget elementor-widget-text-editor\" data-id=\"9871285\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0<\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Portes ac\u00fastiques<\/b><span style=\"font-weight: 400;\">: Quan executem aquest tipus d\u2019a\u00efllament \u00e9s imprescindible l\u2019\u00fas de doble porta ac\u00fastica, de valors entre els 40 i els 54 dB cadascuna.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">L\u2019estructura portant per a les quatre parets s\u2019instal\u00b7lar\u00e0 entre el nou sostre i el nou terra, utilitzant una doble porta i una doble finestra (en cas que n\u2019hi hagi), amb un valor d\u2019a\u00efllament de cadascuna de 40 dB, <\/span><a href=\"https:\/\/www.masacoustics.com\/product\/mas-puerta-acustica-44db-acabado-imprimacion-gris\/\"><span style=\"font-weight: 400;\">45 dB<\/span><\/a><span style=\"font-weight: 400;\">, 47 dB o <\/span><a href=\"https:\/\/www.masacoustics.com\/product\/mas-puerta-acustica-54db-acabado-imprimacion-gris\/\"><span style=\"font-weight: 400;\">54 dB<\/span><\/a><span style=\"font-weight: 400;\">, depenent de les necessitats.<\/span><\/p><p><span style=\"font-weight: 400;\">En el cas d\u2019aquest tipus d\u2019a\u00efllament, en els treballs previs hem de considerar el pas de les instal\u00b7lacions el\u00e8ctriques per a un subquadre interior, la preinstal\u00b7laci\u00f3 d\u2019aire condicionat i la renovaci\u00f3 amb silenciadors per a conductes d\u2019aire segons el tipus de sala, de si hi ha finestres interiors o no n\u2019hi ha o si \u00e9s per a \u00fas privat o p\u00fablic.<\/span><\/p><h2><strong>Les nostres recomanacions com a experts<\/strong><\/h2><ol><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Desconfia de les solucions que nom\u00e9s utilitzen materials r\u00edgids, absorbents o el\u00e0stics. Amb l\u2019\u00fas exclusiu d\u2019aquests materials per si mateixos, sense combinar-los, probablement acabar\u00e0s decebut amb el resultat.<\/span><\/li><li><span style=\"font-weight: 400;\">La nostra recomanaci\u00f3 \u00e9s que facis la millora parcial de l\u2019a\u00efllament en una paret o sostre, ja sigui amb l\u2019ajuda o contractant un t\u00e8cnic qualificat. Si creus que el problema no ser\u00e0 resolt amb una de les solucions parcials descrites anteriorment, et recomanem que <\/span><a href=\"https:\/\/masacousticspro.com\/contacto\/\"><span style=\"font-weight: 400;\">ens contactis<\/span><\/a><span style=\"font-weight: 400;\"> per a fer una avaluaci\u00f3 pr\u00e8via. <\/span><span style=\"font-weight: 400;\">A Mas Acoustics, som experts en <b>solucions ac\u00fastiques a mida <\/b>i t\u2019ajudarem a escollir el millor a\u00efllant ac\u00fastic segons les teves necessitats.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dae5946 elementor-section-boxed elementor-section-height-default elementor-section-height-default gs-locked-section-no\" data-id=\"dae5946\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6f31637\" data-id=\"6f31637\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ad127ac elementor-widget__width-initial e-transform e-transform elementor-widget elementor-widget-html\" data-id=\"ad127ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_transform_translateX_effect&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;_transform_skewX_effect&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;_transform_skewY_effect&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateX_effect_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_translateY_effect_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_skewX_effect_tablet&quot;:{&quot;unit&quot;:&quot;deg&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_skewX_effect_mobile&quot;:{&quot;unit&quot;:&quot;deg&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_skewY_effect_tablet&quot;:{&quot;unit&quot;:&quot;deg&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;_transform_skewY_effect_mobile&quot;:{&quot;unit&quot;:&quot;deg&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Utrj5jqPBNI?si=fRY_SLA2GPljOVhB\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Ja sigui perqu\u00e8 el nivell de soroll extern ens incomoda, perqu\u00e8 el soroll que nosaltres generem \u00e9s excessiu o, simplement, pels canvis en&#8230;<\/p>\n","protected":false},"author":2,"featured_media":9949,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[130,118],"tags":[],"class_list":["post-9120","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acoustic-insulation-techniques","category-tecniques-aillament-acustic"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quin \u00e9s el millor material per insonoritzar? el nostre r\u00e0nquing<\/title>\n<meta name=\"description\" content=\"T\u2019expliquem qu\u00e8 has de tenir en compte a l\u2019hora d\u2019escollir materials per insonoritzar la teva sala o estudi. 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