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DIY acoustic panels?

I took a look at gikacoustics.com and thought the sound absorption panels were actually pretty good and reasonably priced, but I am interested in making my own to better match my room.

Does anyone know what type of cloth is good for sound absorption, hopefully something that is readily available at fabric stores?
bobk3

Showing 2 responses by auxinput

auxinput
2,920 posts
 
Be aware that the denser fiberglass (such as the 8lb Roxul Rockboard 80) does not work effectively if you start layering them past 2" or so.  If you want a really thick bass trap (such as 6" - 8") it is best to use 3 lb panels, such as Owens 703.
auxinput
2,920 posts
 
another thing about Roxul 80.  They are extremely heavy when compared to Owens 703.  (almost 3 times as heavy).  So if you are mounting on the wall, it may be better to get the lighter 3lb stuff like Owens 703.  However, the Roxul 80 will have better absorption in midbass (such as 100-150hz).
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