I am at the framing stage and looking to complete the room in the near future. I have R19 in the walls and ceiling, but no sheet rock yet. I originally thought about MLV and sheetrock, but based on responses from this forum, I was leaning toward a double layer of sheetrock with green glue in between. The cost of green glue can be substantial, however, at 2 tubes per 4x8 sheet. I ran across some metal 7/8" furring channel at Menards for $3.50 per 12 foot section. I thought this was very reasonable and the cost would be minimal in adding these furring strips prior to sheetrocking. The Whisper clips would be some cost, but it seems pretty straightforward and tempting at this point. The main negative is the lost width of the room - 13' just framed and would lose 6" with the furring channel option. I could maybe live with that; however, the main questions are these: Is it "really" worth it? Other negatives with going the hat channel/clip route? I am considering ditching the greenglue between the double layer of sheetrock with this option to save money. It seems; if one had to chose, the hat channel/clip option provides better STC than simply double sheetrock with green glue. Perhaps I would do both, but thought if I had to pick one - the choice should be hat channel/clips. Seems like the price would be similar. I am worried about the hat channel/clips for the ceiling - seems much more complicated than the walls.
The other aspect is I am planning a fiber optic star ceiling and to accomplish this (since there is no access from above) - I may explore using the hat channel in this section and allow room for the fiber strands to be run across the sheetrock/acoustic panel. Any thoughts on this as well - having a fiber optic ceiling and addressing soundproofing at the same time?
I guess at the end of the day, and in an effort to be reasonable and economical, is the hat channel and whisper clip option worth the effort and cost? Is it truly the best option for soundproofing a home theater? Just looking for some final input before going any further. Ted, other experts, or anyone with actual experience with these options - please feel free to respond.
Thanks for any input in advance.