{"id":3643,"date":"2017-01-10T17:45:33","date_gmt":"2017-01-10T15:45:33","guid":{"rendered":"https:\/\/www.multiwal.eu\/sound-insulation\/"},"modified":"2021-11-17T12:50:08","modified_gmt":"2021-11-17T10:50:08","slug":"sound-insulation","status":"publish","type":"page","link":"https:\/\/www.multiwal.eu\/en\/products\/extra-information\/sound-insulation\/","title":{"rendered":"Sound insulation"},"content":{"rendered":"<p>Efficient arrangement of available space involves not only a visual barrier but also a good sound insulation. Multiwal has carefully considered these requirements, developing special components, a technically flawless construction and first class quality control procedures. Our moveable walls have been tested by TNO Technical Physical Service at Delft University of Technology at ITA and Fraunhofer-Institut in Germany. Soundproofing up to 59 dB is possible.<\/p>\r\n<p>A level that is every bit as good as the most modern fixed walls.<\/p>\r\n<h3>Product information<\/h3>\r\n<p>Multiwal has the latest test reports for sound insulation according to DIN EN 10140-2 \/ 20140-3 laboratory values by international testing laboratories.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/www.multiwal.eu\/uploaded_img\/geluid1.jpg\" alt=\"Sound insulation tests\" width=\"300\" height=\"213\" \/><\/p>\r\n<p>&nbsp;<\/p>\r\n<p>Moveable walls are mainly applied to create spaces in hotels, multifunctional centres, conference centres, schools and boardrooms.<\/p>\r\n<p>To make optimal use of these spaces, a good sound insulation based on the customer&#8217;s wishes is required.<\/p>\r\n<p>Most manufacturers test according to DIN EN 20140-3. Multiwal has the latest test reports for sound insulation according to DIN EN 10140-2.<\/p>\r\n<p>It is highly important that the designer \/ user realizes that a sizeable difference is possible between the laboratory value and sound insulation of the installed walls in practice.\u00a0 It is very important in the design to take flanking sound transmission through the building structure into account.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/www.multiwal.eu\/uploaded_img\/geluid2.jpg\" alt=\"Sound insulation construction walls\" width=\"300\" height=\"213\" \/><\/p>\r\n<p>To achieve a desired practice value, you have to take the following into account in the design:<\/p>\r\n<ul>\r\n\t<li>all stated values according to laboratory DIN EN 20140-3 \/ 10140-2<\/li>\r\n\t<li>sound leakage between laboratory value and practice value<\/li>\r\n\t<li>sound leakage in ceiling, floor, walls, vents, cable ducting and structural connections<\/li>\r\n\t<li>doors, glass cut outs and crossings in track constructions<\/li>\r\n<\/ul>\r\n<p>For an optimal result we advise you to let us inform you in the planning phase of your project. As a regulation you have to take into account a sound leakage between laboratory value and practice value of approximately 10 dB. Some examples for roughly calculating the sound transmission:<\/p>\r\n<p><strong>talking loud with a sound cone of ca. 65 dB \/ A<\/strong><\/p>\r\n<ul>\r\n\t<li>chosen moveable wall 50 dB<\/li>\r\n\t<li>deduction flanking sounds ca. 10 dB<\/li>\r\n\t<li>this leaves ca. 40 dB in built-in position<\/li>\r\n\t<li>excess transmission ca. 25 dB which equals audible whispering<\/li>\r\n<\/ul>\r\n<p><strong>\u00a0<\/strong><strong>talking loud with a sound cone of ca. 85 dB \/ A<\/strong><\/p>\r\n<ul>\r\n\t<li>chosen moveable wall 54 dB<\/li>\r\n\t<li>deduction flanking sounds ca. 10 dB<\/li>\r\n\t<li>this leaves ca. 44 dB in built-in position<\/li>\r\n<\/ul>\r\n<p>\u00a0excess transmission ca. 41 dB which equals audible muffled\/subdued conversation<\/p>\r\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\r\n<tbody>\r\n<tr>\r\n<td width=\"77\">\r\n<p>20 dB<\/p>\r\n<\/td>\r\n<td width=\"333\">\r\n<p>Whispering<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"77\">\r\n<p>30 dB<\/p>\r\n<\/td>\r\n<td width=\"333\">\r\n<p>Mediocre traffic<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"77\">\r\n<p>40 dB<\/p>\r\n<\/td>\r\n<td width=\"333\">\r\n<p>Normal conversation<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"77\">\r\n<p>50 dB<\/p>\r\n<\/td>\r\n<td width=\"333\">\r\n<p>Loud conversation<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"77\">\r\n<p>60 dB<\/p>\r\n<\/td>\r\n<td width=\"333\">\r\n<p>Very loud conversation<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"77\">\r\n<p>70 dB<\/p>\r\n<\/td>\r\n<td width=\"333\">\r\n<p>Mechanical sound (vacuum cleaner)<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td width=\"77\">\r\n<p>120 dB<\/p>\r\n<\/td>\r\n<td width=\"333\">\r\n<p>Drill hammer \/ breaker<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h3>Certification<\/h3>\r\n<p><strong>All latest test reports are available on request<\/strong><\/p>\r\n<p>Multiwal has the latest test reports for sound insulation according to DIN EN 10140-2 \/ 20140-3 laboratory values by international testing laboratories.<\/p>","protected":false},"excerpt":{"rendered":"<p>Efficient arrangement of available space involves not only a visual barrier but also a good sound insulation. Multiwal has carefully considered these requirements, developing special components, a technically flawless construction and first class quality control procedures. Our moveable walls have been tested by TNO Technical Physical Service at Delft University of Technology at ITA and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3630,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-3643","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sound insulation - Multiwal. Moved by quality<\/title>\n<meta name=\"description\" content=\"Moveable walls are mainly applied to create spaces in buildings. 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