Sound-proofing a condo unit:
![](http://gibsonhomesinc.com/wp-content/uploads/2018/09/42719710_705339323185205_8258103348536803328_n-248x300.jpg)
Building bulkheads around drain pipes from the unit above.
![](http://gibsonhomesinc.com/wp-content/uploads/2018/09/42596457_240949796594583_5708558560598687744_n-300x221.jpg)
Starting to hang the isolation channel. Ceilings will get insulation between joists, isolation channel, more insulation between the channels, and a fresh layer of drywall.