{"id":2210,"date":"2025-03-19T13:12:32","date_gmt":"2025-03-19T12:12:32","guid":{"rendered":"http:\/\/magu-swiss.ch\/?page_id=2210"},"modified":"2025-03-23T20:50:05","modified_gmt":"2025-03-23T19:50:05","slug":"soundproofing","status":"publish","type":"page","link":"https:\/\/magu-swiss.ch\/en\/bautechnik-oekobilanz\/schallschutz\/","title":{"rendered":"Soundproofing"},"content":{"rendered":"
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\nFundamentals of Structural Sound Insulation\n<\/h2>
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\nStructural sound insulation\u2014that is, the reduction of sound transmission\u2014is one of the most important considerations in building construction, since occupants experience sound directly and at all times. Every resident perceives ambient noise from the neighboring room, children upstairs, or from outside as either more or less muffled or disruptive. Inadequate sound insulation is perceived as disruptive, primarily because it impairs human well-being and fails to meet\u2014objectively or subjectively\u2014the need for privacy within one\u2019s own \u201efour walls.\u201c.\n<\/div>\n<\/div>\"Illustration\n<\/div>
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\nAirborne sound and structure-borne sound\u2014the two main types of sound\n<\/h2>

\nAirborne Sound \u2013 Vibrations Traveling Through the Air\n<\/h3>
\nAirborne sound is the truck that roars past the house, whose low frequencies cause the entire house, the windows, and\u2014in the worst case\u2014even the glasses in your cabinet to vibrate in time with its rhythm. Here, the sound waves in the air strike the house wall, the window, and the entire facade, causing them to resonate. This resonance continues and, in turn, causes the air inside the room to vibrate\u2014until eventually, even the glasses in the cabinet start \u201edancing along.\u201c.\n<\/div>\n<\/div>
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\nStructure-borne sound \u2013 direct transmission through building components\n<\/h3>
\nStructure-borne sound is the upstairs neighbor whose footsteps you can hear clearly at night, or the children racing through their bedroom upstairs in their Bobby Cars. In this case, the ceiling itself is set into vibration, which then propagates to the floor below in the form of airborne sound.\n<\/div>\n<\/div>\n<\/div><\/div><\/div>\n<\/section>
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\nMethods of Sound Insulation\n<\/h2>
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\nSound that passes through building components such as walls, windows, or ceilings can, in principle, be attenuated in two ways: Either the sound waves are decoupled by a secondary shell, so that the energy of the sound waves is absorbed and dampened by a resilient surface. This layer must be decoupled from the second layer\u2014even the smallest connections are enough to transmit the sound waves to the second layer and negate the intended sound insulation.\n<\/div>\n<\/div>\"Technical\n<\/div>
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\nFloating Screed as a Soundproofing Measure\n<\/h3>
\nThis principle is always applied to a \u201efloating screed\u201c\u2014that is, the leveling layer applied to the floor slab to create a level subfloor. The hard gypsum or cement screed rests on a soft impact sound insulation layer, which absorbs the structure-borne sound of footsteps. A soft perimeter insulation strip is installed along the perimeter wall, which must also acoustically decouple the adjacent walls. If this is not done very carefully, even a small connection between the screed and the wall or floor can allow impact sound to be transmitted into the building components\u2014which significantly reduces the sound insulation performance.\n<\/div>\n<\/div>
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\nThe Importance of Mass in Sound Insulation\n<\/h3>
\nThe second type of secondary sound insulation\u2014that is, the reduction of sound transmission\u2014is based on mass, or the weight of a wall. The wall as a whole exerts resistance to sound through its surface weight, which, due to inertia, opposes sound with increasing resistance as frequency rises. As a general rule: the heavier and thicker a building component is, the better the sound insulation. Behind a solid concrete wall, you don\u2019t hear much from a passing train, whereas a lightweight wooden wall lets the sound through and can keep you awake. In the case of structure-borne sound\u2014that is, sound transmitted directly into building components\u2014a dense building material transmits the sound more effectively. That\u2019s why, for example, the sound of a hammer drill in a prefabricated apartment building can be heard throughout the entire building. For this reason, the screed is always installed \u201efloating\u201c\u2014as described above\u2014to minimize these effects.\n<\/div>\n<\/div>\n<\/div><\/div>
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\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 3: Thermal Insulation <\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>\n<\/div><\/div>\n<\/section>
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\nConstruction Technology & Life Cycle Assessment \u2013 Our Key Topics\n<\/h2>
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\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 1: Why Do We Build Houses?<\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 2: Sound Insulation<\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 3: Thermal Insulation <\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 4: Construction Technology<\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 5: MAGU Building System <\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>\n<\/div>
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\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 6: Life Cycle Assessment of MAGU <\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 7: Neopor as a Raw Material <\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 8: Fire Safety <\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 9: About Us<\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>
\n \n \n \n \n \n \n \n \n \n\n \n \n \n \n \n \n\n \n Chapter 10: In 40 Years\u20141.2 Million Square Meters of MAGU Wall <\/span>\n\n \n \n <\/a>\n\n \n\n\n<\/div>\n<\/div><\/div><\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"

Grundlagen des baulichen Schallschutzes Der bauliche Schallschutz, also die Verminderung der Schalltransmission, geh\u00f6rt zu den wichtigsten Punkten im Hochbau, da der Schall unmittelbar und jederzeit vom Bewohner erfahren wird. Jeder Bewohner nimmt die Umgebungsger\u00e4usche aus dem Nachbarzimmer, den Kindern im Obergeschoss oder von Au\u00dfen mehr oder weniger ged\u00e4mmt oder st\u00f6rend wahr. Ungen\u00fcgender Schallschutz wird als […]<\/p>\n","protected":false},"author":1,"featured_media":2212,"parent":2150,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[],"tags":[116],"class_list":["post-2210","page","type-page","status-publish","has-post-thumbnail","hentry","tag-bautechnik-oekobilanz"],"_links":{"self":[{"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/pages\/2210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/comments?post=2210"}],"version-history":[{"count":44,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/pages\/2210\/revisions"}],"predecessor-version":[{"id":2697,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/pages\/2210\/revisions\/2697"}],"up":[{"embeddable":true,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/pages\/2150"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/media\/2212"}],"wp:attachment":[{"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/media?parent=2210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/categories?post=2210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/magu-swiss.ch\/en\/wp-json\/wp\/v2\/tags?post=2210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}