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1

There are a lot of options you could consider depending on your budget and opinion on "cheap". There are acoustic dampening windows you could look into if you have a higher budget and don't mind replacing your window. If you're sure that the main source of noise penetration is through the window, which is to be expected, then this might be the best / most ...


2

I would start with an area rug to cover most of the floor. Hanging tapestries on the walls and door can add to the decor and help deaden the sound. Do you have access to the underside of the floor from below? This would be the spot to add insulation. The problem with lower frequencies (male voices) is they resonate the building itself and are more ...


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What I ended up doing was similar to what people suggested by putting up a temporary barrier. I waited for drywall on one side (I was lucky to be able to do that because I had an unconditioned space), then I put the cotton insulation in and held it in with R11 kraft faced. Considering it's for sound control the double insulation was not a bad thing (so ...


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Probably too late for you, but when I had a similar issue I wrapped the back in this sheet material before insulating. It was easy to install with staples and then I sprayed foam around the edges. On the inside where some bays were too wide for the insulation that I had at hand, I just put a piece of duct tape across the bay at the top, middle and bottom, to ...


3

From the comments it sounds like you have drywall on one side. I'd set up a measuring jig to give consistent, square cuts, and cut your batts to length so that they fit well horizontally. Stack them in the stud spaces. If necessary, apply a sheeting over it to give additional support. Something with a textured surface might be preferable to polyethylene ...


2

Searching Google for 24" denim batts turned up a ton of options that are available. Here is an example. Using this will be WAY easier than trying to hack 16" stuff together. If you are pretty intent on going with 16", you could try placing the insulation in the cavity and then stapling 24" wide paper like this over it to hold it in place. If I were doing ...



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