[masraum]

Folks, anyone have any experience with trying to block sounds in your home walls, whether from the outside or between rooms or.... We live near a busy road that creates a fair amount of mostly white noise, and would like to make some changes (while we're in there) to isolate the inside of the house from some of that noise. We're going to start when we do/finish the bathroom that we're currently working on.

I've read about a bunch of options. Quietrock is a sound deadening sheetrock. There are roll$$ of stuff that you can put on studs before you attach sheetrock. There is rockwool/insulation with sound deadening properties. I also understand that you can get "green glue" and double layer sheetrock.

My understanding is that among other things you want mass to absorb sound. Most residential sheetrock these days is 1/2" and is "light." I guess the light weight stuff is popular because it's easier to work with. 1/2" is about 40-45#. Then there's 5/8" X/Fire code sheetrock that weighs 70# per sheet. Or 1/2" quietrock also weighs about 70# per 4x8 sheet. The quiet rock is supposed to be more effective than things like doubling up because it's 2 layers with an acoustic dampening layer in between.

The cheap, residential quietrock is $56/4x8 sheet at Lowes, and is supposedly more effective than double stacked drywall.
The green glue (to double up standard sheetrock) is ~$250.
HD has rolles of acoustic material that would get installed between studs and drywall. It's $100/roll and the rolls are 4'x10'.

Has anyone done any sound proofing?

What did you use?

How effective did you think it was?

If you were doing it again, what would you do differently?

Thanks!