Is this mineral wool ok as subwoofer insulation? - AVS Forum | Home Theater Discussions And Reviews
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Old 01-28-2016, 03:23 PM - Thread Starter
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Is this mineral wool ok as subwoofer insulation?

Been spending hours trying to figure out if regular old polyfill really is just as good as fiber glass or Acousta-Stuff or Mineral Wool.

I've seen some response graphs showing benefits of Mineral Wool over polyfill. So I'm really intrigued by the mineral wool.


The cheapest and easiest way to get mineral wool seems to be this from Home Depot for those of us outside Canada.

http://m.homedepot.com/p/Roxul-Safe-...1525/202531875

Now is 3" thick Mineral Wool to thick for a 4.3 cubic ft enclosure? (Volume before bracing)

Also does it matter that it's branded as Safe n Sound for sound dampening? Instead of the typical Roxul ComfortBoard or Comfortbat
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Old 01-28-2016, 08:57 PM
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I have had a couple of sub with that in them. No problem. I don't how you determine how much stuff to use for that.
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Old 01-28-2016, 09:17 PM
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just get 4 polly pillows from Walmart and stuff them in there
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Old 01-28-2016, 09:26 PM
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Can you post the response graphs?
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Old 01-28-2016, 11:33 PM
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I used the 3" safe n sound for my ported cabs. About 50% coverage. I did a sweep with REW with and without the insulation and it made little difference.

I would use something else if i had to do it over as Roxul is hard to glue to wood.
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