Monday, October 4, 2010

Sound Proof A Basement Ceiling

Basements are a common location for game rooms, home theaters and home studios. Each of these spaces requires a certain amount of sound isolation. Even if you just have a bedroom in the basement, it is still necessary to prevent unwanted sounds like footsteps from transmitting through the ceiling. There are many approaches to sound proofing a basement ceiling. Some approaches are budget friendly while other approaches will involve significant construction. Regardless of which approach you choose, sound proofing your basement ceiling will help keep unwanted sounds out and possibly make the people upstairs a little happier too.


Instructions


1. Use carpet upstairs. If you have a problem with footsteps being audible in a basement, the fix can be as easy as laying carpet. Carpet will dampen the vibrations of the floor caused by footsteps, resulting in less noise in the basement. Rugs can be used in areas where carpeting is not practical.


2. Build floating floors. Sound transmission through the upstairs floor is a serious problem for spaces like home studios. Floating floors are floors that are built decoupled from the sub-floor to minimize sound transmission. Sometimes floating floors are built with rubber pucks that lift the floor a few inches off of the sub-floor. If you are on more of a budget, a few layers of carpet padding between the sub-floor and the floor can provide similar decoupling.


3. Install resilient channels. Resilient channels are metal strips that help separate walls and ceilings from the framing. The separation helps prevent the transmission of sound. Installing resilient channels requires significant construction, and improper installation will result in very little sound dampening. Consider having resilient channels professionally installed.








4. Add absorption to your ceiling. Filling the space between the ceiling of your basement and the floor upstairs can drastically reduce the transmission of sound. Simple batt insulation does an adequate job of reducing sound, but there are also specialty materials that absorb sound better.


5. Drop your ceiling. Following the same premise of floating floors, decoupling your ceiling can help reduce sound transmission. Install special Z-shaped brackets to the existing ceiling, and attach a new ceiling to the brackets. Consider using acoustically absorbent tiles for the new dropped ceiling.


6. Seal all possible openings. Sound can be transmitted through the smallest cracks, so verify that all wall and ceiling joints are properly sealed. Fill in any cracks with caulk, and use adhesive instead of nails or screws when possible to help absorb vibrations.

Tags: floating floors, resilient channels, your ceiling, home studios, significant construction, sound proofing