hmmm... if high frequencies are the primary type of sound-leak, then i would focus first on flanking noise.sunama said:Would the same advice be true of walls? My main problem is that i want to protect my upstairs neighbours from my noise. I dont care about their own noise, just my own. The problem right now is that higher frequencies (not bass) travel between upstairs and downstairs very easily. This is why i want to get a thick, dense material but upstairs and downstairs. The loud bass will only be played during the daytime, so i dont really care if that travels upstairs. But i may watch movies at lower volumes/bass levels at night, so i at least want to prevent them from being disturbed by the sound of mid to high frequencies.
I have no intention of doing anything to the walls.
crikey oreilly.sunama said:I cant believe that there is some duct or space that is allowing sound to pass through the ceiling/floor boards. The upstairs people have wooden floors which obviously dont insulate against sound. The same problem is in my bedroom.
Anyway i now have quotes of the costs involved. The sound proofing in my bedroom will involve the original ceiling; below it will be 10cm of sound proof quilt; below that a layer of sound board; below that another layer of soundboard (the 2 layers of soundboard will sandwich some green glue). This will be done to my bedroom ceiling in order to protect me from the neighbours' noise (including impact noise).
The lounge (home cinema room) will have below the existing ceiling, 10cm of mineral wool (density of 80 or 100kg/sqm); below that will be ceiling tiles (suspended ceiling) - the ceiling tiles will have 1 layer of plasterboard above them, sandwiching a layer of green glue.
To carry out the above to the rooms will cost approximately £1k per room.