Will this rockwool work for me?

  • Thread starter Thread starter MidoBan
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MidoBan

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Hi, i'm doing some acoustic treatment and want to make some absorbers. i've read that rigid fiberglass with a density of 45 kg/m3 is good for that, but in a store close to my home i found some rockwool with a density of 80 kg/m3 in a good price, will it be good or should i keep searching for a 45 kg/m3 fiberglass/rockwool?
 
Higher density stuff will work great for bass traps. Not sure about broadband panels though. How much is it selling for (just out of curiosity)?

Drew
 
Re-tox_stl said:
Higher density stuff will work great for bass traps. Not sure about broadband panels though. How much is it selling for (just out of curiosity)?

Drew
Click to expand...

very cheap, i found this rockwool 120x80 cm sheet for 8$.
 
Re-tox_stl said:
Not sure about broadband panels though.
Click to expand...

For bass traps, the triangular shaped ones that go in the corners, 45 kg/m3 gets used but some tests show much better performance of lighter fibres when in thick panels, ie. when you have a filled triangle, not just a panel than straddles the corner.
 
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