Accoustical / Thermal barrier over studs

[Paul52]

Hello members.

I'm looking for comments / advice.

I am finishing off a attached 2 car garage (only 1 9' door) that will be used as a woodworking shop, music appreciation room, ping-pong for the kids and their friends, and yes, to occaisionaly park one car.

I live in Connecticut, so winters will need heat. I have a coal stove for that. The room was never insulated, so I just finished putting R13 (batts) between the studs. I like to play my music loud, and woodworking machines make a lotta noise. I want to be good to the neigbhors.

Would it be wise to try a product like TUFFS fiberblass 4x8 sheets over the studs (interior walls). A 1/2" layer will give another R3, while providing another layer of accoustical barrier. Their may be better products out there. Some may give more accoustical value, while others more R-value. I don't want to go to the extent of DOUBLE WALL CONSTRUCTION.

I plan on finishing my walls with a "beaded" real wood looking 7/16 "plywood material. It comes in 4x8 sheets, and it is ship-lapped (no taping, as in gypsum).

I know I'll need to use longer screws / nails to fasten through styrofoam (which also comes in a R-6.5 1" panel). The styrofoam has foil on each side, which is supposed to be a vapor barrier. The insulation I just put up is faced.

Is this wise?

Thanks, Paul 52

[speedyox]

Bump.

I would like to hear an answer to this post as well.

[Rich]

Short of double wall construction - I think a layer of something like TUFFS or even acoustic hat channels. These attach to the studs and gives the diaphragm a break between the drywall and studs. You can fill that area with insulation too if you want more R value as a wall assembly.

[rgramjet]

Hey Paul,
Check out Accoustiblok.com. There they sell a vinyl membrane that is UL listed, its 1 lb per square foot and has an STC rating of 27! It is applied behind the beadboard using tin capped roofing nails and/or adhesive. I use it all the time to build home theaters and isolate loud areas. You will need at least one other person to help you hang the stuff because its very flexible and very heavy.

Its not cheap but its good stuff.