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The Basement
Soundproofing a wall
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<blockquote data-quote="Carl Klinkenborg" data-source="post: 217355" data-attributes="member: 12770"><p>Even if you can build an isolating wall, you must consider flanking (structure-borne) noise first as this is very difficult to treat and can negate any wall improvements particularly regarding impact noise. As Rob suggests, it's not as simple as adding a bit of mass and there is very good information online showing attenuation values of different constructions, which can often be counter intuitive! Although thick wood feels like a lot of mass it is trifling compared with masonry construction - my 17C stone walls are up to 200lb/sq.ft - so absorption and depth of lightweight walls becomes a critical design factor.</p></blockquote><p></p>
[QUOTE="Carl Klinkenborg, post: 217355, member: 12770"] Even if you can build an isolating wall, you must consider flanking (structure-borne) noise first as this is very difficult to treat and can negate any wall improvements particularly regarding impact noise. As Rob suggests, it's not as simple as adding a bit of mass and there is very good information online showing attenuation values of different constructions, which can often be counter intuitive! Although thick wood feels like a lot of mass it is trifling compared with masonry construction - my 17C stone walls are up to 200lb/sq.ft - so absorption and depth of lightweight walls becomes a critical design factor. [/QUOTE]
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