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Concrete floor and stereo listening room

Posted by Aristée (A) on January 10, 2006 at 13:12:21

Greetings all,

I have been surfing the net on this and am still scratchin' my head. I am building a 11.5 X 17 X 7.5 listening room (2 channels) that will also work as a HT (same audio system, no multi-channel). Two corner walls are concrete blocks over concrete foundation walls (the concrete blocks was in fact the old foundation, the previous owners just made a new foundation around it). These two walls are framed with 2 X 4's finished in drywall. The two other walls are newly made, according to the recommendations for a listening room: staggered 2 X 3's filled by Roxul, two sheets of drywall on resilient bars on sonopan.

The thing is that I don't know what to do about the concrete floor, and I can't find a definitive answer on the net. For a stereo listening room/ 2-channels Home Theater, wich is better: 1. carpet+subcarpet directly on the concrete floor or 2. bulding a sub-floor with 2"X 2" + Roxul in between, covered by a 1/2" plywood, covered by a sub-carpet and a carpet ????

I read some places that option 1 is better and other places that 2 is best. I am about to finish this room and need advice.

Thanks

Hugo Tremblay
Jonquière, Québec

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